diff -urN kernel-source-2.6.18.orig/fs/udf/balloc.c kernel-source-2.6.18/fs/udf/balloc.c --- kernel-source-2.6.18.orig/fs/udf/balloc.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/balloc.c 2007-08-14 03:26:08 +0300 @@ -427,9 +427,9 @@ { struct udf_sb_info *sbi = UDF_SB(sb); uint32_t start, end; - uint32_t nextoffset, oextoffset, elen; - kernel_lb_addr nbloc, obloc, eloc; - struct buffer_head *obh, *nbh; + uint32_t elen; + kernel_lb_addr eloc; + struct extent_position oepos, epos; int8_t etype; int i; @@ -457,14 +457,13 @@ start = bloc.logicalBlockNum + offset; end = bloc.logicalBlockNum + offset + count - 1; - oextoffset = nextoffset = sizeof(struct unallocSpaceEntry); + epos.offset = oepos.offset = sizeof(struct unallocSpaceEntry); elen = 0; - obloc = nbloc = UDF_I_LOCATION(table); - - obh = nbh = NULL; + epos.block = oepos.block = UDF_I_LOCATION(table); + epos.bh = oepos.bh = NULL; while (count && (etype = - udf_next_aext(table, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (((eloc.logicalBlockNum + (elen >> sb->s_blocksize_bits)) == start)) @@ -482,7 +481,7 @@ start += count; count = 0; } - udf_write_aext(table, obloc, &oextoffset, eloc, elen, obh, 1); + udf_write_aext(table, &oepos, eloc, elen, 1); } else if (eloc.logicalBlockNum == (end + 1)) { @@ -502,20 +501,20 @@ end -= count; count = 0; } - udf_write_aext(table, obloc, &oextoffset, eloc, elen, obh, 1); + udf_write_aext(table, &oepos, eloc, elen, 1); } - if (nbh != obh) + if (epos.bh != oepos.bh) { i = -1; - obloc = nbloc; - udf_release_data(obh); - atomic_inc(&nbh->b_count); - obh = nbh; - oextoffset = 0; + oepos.block = epos.block; + brelse(oepos.bh); + get_bh(epos.bh); + oepos.bh = epos.bh; + oepos.offset = 0; } else - oextoffset = nextoffset; + oepos.offset = epos.offset; } if (count) @@ -547,55 +546,53 @@ adsize = sizeof(long_ad); else { - udf_release_data(obh); - udf_release_data(nbh); + brelse(oepos.bh); + brelse(epos.bh); goto error_return; } - if (nextoffset + (2 * adsize) > sb->s_blocksize) + if (epos.offset + (2 * adsize) > sb->s_blocksize) { char *sptr, *dptr; int loffset; - udf_release_data(obh); - obh = nbh; - obloc = nbloc; - oextoffset = nextoffset; + brelse(oepos.bh); + oepos = epos; /* Steal a block from the extent being free'd */ - nbloc.logicalBlockNum = eloc.logicalBlockNum; + epos.block.logicalBlockNum = eloc.logicalBlockNum; eloc.logicalBlockNum ++; elen -= sb->s_blocksize; - if (!(nbh = udf_tread(sb, - udf_get_lb_pblock(sb, nbloc, 0)))) + if (!(epos.bh = udf_tread(sb, + udf_get_lb_pblock(sb, epos.block, 0)))) { - udf_release_data(obh); + brelse(oepos.bh); goto error_return; } - aed = (struct allocExtDesc *)(nbh->b_data); - aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); - if (nextoffset + adsize > sb->s_blocksize) + aed = (struct allocExtDesc *)(epos.bh->b_data); + aed->previousAllocExtLocation = cpu_to_le32(oepos.block.logicalBlockNum); + if (epos.offset + adsize > sb->s_blocksize) { - loffset = nextoffset; + loffset = epos.offset; aed->lengthAllocDescs = cpu_to_le32(adsize); - sptr = UDF_I_DATA(inode) + nextoffset - + sptr = UDF_I_DATA(inode) + epos.offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode) - adsize; - dptr = nbh->b_data + sizeof(struct allocExtDesc); + dptr = epos.bh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - nextoffset = sizeof(struct allocExtDesc) + adsize; + epos.offset = sizeof(struct allocExtDesc) + adsize; } else { - loffset = nextoffset + adsize; + loffset = epos.offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); - sptr = (obh)->b_data + nextoffset; - nextoffset = sizeof(struct allocExtDesc); + sptr = oepos.bh->b_data + epos.offset; + epos.offset = sizeof(struct allocExtDesc); - if (obh) + if (oepos.bh) { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } @@ -606,11 +603,11 @@ } } if (UDF_SB_UDFREV(sb) >= 0x0200) - udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1, - nbloc.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 3, 1, + epos.block.logicalBlockNum, sizeof(tag)); else - udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1, - nbloc.logicalBlockNum, sizeof(tag)); + udf_new_tag(epos.bh->b_data, TAG_IDENT_AED, 2, 1, + epos.block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(table)) { case ICBTAG_FLAG_AD_SHORT: @@ -619,7 +616,7 @@ sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); - sad->extPosition = cpu_to_le32(nbloc.logicalBlockNum); + sad->extPosition = cpu_to_le32(epos.block.logicalBlockNum); break; } case ICBTAG_FLAG_AD_LONG: @@ -628,14 +625,14 @@ lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | sb->s_blocksize); - lad->extLocation = cpu_to_lelb(nbloc); + lad->extLocation = cpu_to_lelb(epos.block); break; } } - if (obh) + if (oepos.bh) { - udf_update_tag(obh->b_data, loffset); - mark_buffer_dirty(obh); + udf_update_tag(oepos.bh->b_data, loffset); + mark_buffer_dirty(oepos.bh); } else mark_inode_dirty(table); @@ -643,26 +640,26 @@ if (elen) /* It's possible that stealing the block emptied the extent */ { - udf_write_aext(table, nbloc, &nextoffset, eloc, elen, nbh, 1); + udf_write_aext(table, &epos, eloc, elen, 1); - if (!nbh) + if (!epos.bh) { UDF_I_LENALLOC(table) += adsize; mark_inode_dirty(table); } else { - aed = (struct allocExtDesc *)nbh->b_data; + aed = (struct allocExtDesc *)epos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); - udf_update_tag(nbh->b_data, nextoffset); - mark_buffer_dirty(nbh); + udf_update_tag(epos.bh->b_data, epos.offset); + mark_buffer_dirty(epos.bh); } } } - udf_release_data(nbh); - udf_release_data(obh); + brelse(epos.bh); + brelse(oepos.bh); error_return: sb->s_dirt = 1; @@ -677,9 +674,9 @@ { struct udf_sb_info *sbi = UDF_SB(sb); int alloc_count = 0; - uint32_t extoffset, elen, adsize; - kernel_lb_addr bloc, eloc; - struct buffer_head *bh; + uint32_t elen, adsize; + kernel_lb_addr eloc; + struct extent_position epos; int8_t etype = -1; if (first_block < 0 || first_block >= UDF_SB_PARTLEN(sb, partition)) @@ -693,14 +690,13 @@ return 0; mutex_lock(&sbi->s_alloc_mutex); - extoffset = sizeof(struct unallocSpaceEntry); - bloc = UDF_I_LOCATION(table); - - bh = NULL; + epos.offset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.bh = NULL; eloc.logicalBlockNum = 0xFFFFFFFF; while (first_block != eloc.logicalBlockNum && (etype = - udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { udf_debug("eloc=%d, elen=%d, first_block=%d\n", eloc.logicalBlockNum, elen, first_block); @@ -709,7 +705,7 @@ if (first_block == eloc.logicalBlockNum) { - extoffset -= adsize; + epos.offset -= adsize; alloc_count = (elen >> sb->s_blocksize_bits); if (inode && DQUOT_PREALLOC_BLOCK(inode, alloc_count > block_count ? block_count : alloc_count)) @@ -719,15 +715,15 @@ alloc_count = block_count; eloc.logicalBlockNum += alloc_count; elen -= (alloc_count << sb->s_blocksize_bits); - udf_write_aext(table, bloc, &extoffset, eloc, (etype << 30) | elen, bh, 1); + udf_write_aext(table, &epos, eloc, (etype << 30) | elen, 1); } else - udf_delete_aext(table, bloc, extoffset, eloc, (etype << 30) | elen, bh); + udf_delete_aext(table, epos, eloc, (etype << 30) | elen); } else alloc_count = 0; - udf_release_data(bh); + brelse(epos.bh); if (alloc_count && UDF_SB_LVIDBH(sb)) { @@ -747,9 +743,9 @@ struct udf_sb_info *sbi = UDF_SB(sb); uint32_t spread = 0xFFFFFFFF, nspread = 0xFFFFFFFF; uint32_t newblock = 0, adsize; - uint32_t extoffset, goal_extoffset, elen, goal_elen = 0; - kernel_lb_addr bloc, goal_bloc, eloc, goal_eloc; - struct buffer_head *bh, *goal_bh; + uint32_t elen, goal_elen = 0; + kernel_lb_addr eloc, goal_eloc; + struct extent_position epos, goal_epos; int8_t etype; *err = -ENOSPC; @@ -770,14 +766,12 @@ We store the buffer_head, bloc, and extoffset of the current closest match and use that when we are done. */ - - extoffset = sizeof(struct unallocSpaceEntry); - bloc = UDF_I_LOCATION(table); - - goal_bh = bh = NULL; + epos.offset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.bh = goal_epos.bh = NULL; while (spread && (etype = - udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) { if (goal >= eloc.logicalBlockNum) { @@ -793,24 +787,24 @@ if (nspread < spread) { spread = nspread; - if (goal_bh != bh) + if (goal_epos.bh != epos.bh) { - udf_release_data(goal_bh); - goal_bh = bh; - atomic_inc(&goal_bh->b_count); + brelse(goal_epos.bh); + goal_epos.bh = epos.bh; + get_bh(goal_epos.bh); } - goal_bloc = bloc; - goal_extoffset = extoffset - adsize; + goal_epos.block = epos.block; + goal_epos.offset = epos.offset - adsize; goal_eloc = eloc; goal_elen = (etype << 30) | elen; } } - udf_release_data(bh); + brelse(epos.bh); if (spread == 0xFFFFFFFF) { - udf_release_data(goal_bh); + brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); return 0; } @@ -826,17 +820,17 @@ if (inode && DQUOT_ALLOC_BLOCK(inode, 1)) { - udf_release_data(goal_bh); + brelse(goal_epos.bh); mutex_unlock(&sbi->s_alloc_mutex); *err = -EDQUOT; return 0; } if (goal_elen) - udf_write_aext(table, goal_bloc, &goal_extoffset, goal_eloc, goal_elen, goal_bh, 1); + udf_write_aext(table, &goal_epos, goal_eloc, goal_elen, 1); else - udf_delete_aext(table, goal_bloc, goal_extoffset, goal_eloc, goal_elen, goal_bh); - udf_release_data(goal_bh); + udf_delete_aext(table, goal_epos, goal_eloc, goal_elen); + brelse(goal_epos.bh); if (UDF_SB_LVIDBH(sb)) { @@ -921,11 +915,14 @@ struct inode * inode, uint16_t partition, uint32_t goal, int *err) { + int ret; + if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_BITMAP) { - return udf_bitmap_new_block(sb, inode, + ret = udf_bitmap_new_block(sb, inode, UDF_SB_PARTMAPS(sb)[partition].s_uspace.s_bitmap, partition, goal, err); + return ret; } else if (UDF_SB_PARTFLAGS(sb, partition) & UDF_PART_FLAG_UNALLOC_TABLE) { diff -urN kernel-source-2.6.18.orig/fs/udf/dir.c kernel-source-2.6.18/fs/udf/dir.c --- kernel-source-2.6.18.orig/fs/udf/dir.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/dir.c 2007-08-14 03:26:08 +0300 @@ -111,11 +111,13 @@ uint16_t liu; uint8_t lfi; loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; - struct buffer_head * bh = NULL, * tmp, * bha[16]; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; + struct buffer_head *tmp, *bha[16]; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; int i, num; unsigned int dt_type; + struct extent_position epos = { NULL, 0, {0, 0}}; if (nf_pos >= size) return 0; @@ -127,23 +129,22 @@ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh.sbh = fibh.ebh = NULL; else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return -EIO; } @@ -171,7 +172,7 @@ } else { - udf_release_data(bh); + brelse(epos.bh); return -ENOENT; } @@ -179,14 +180,14 @@ { filp->f_pos = nf_pos + 1; - fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } @@ -244,9 +245,9 @@ if (filldir(dirent, fname, flen, filp->f_pos, iblock, dt_type) < 0) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } } @@ -255,9 +256,9 @@ filp->f_pos = nf_pos + 1; if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } diff -urN kernel-source-2.6.18.orig/fs/udf/directory.c kernel-source-2.6.18/fs/udf/directory.c --- kernel-source-2.6.18.orig/fs/udf/directory.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/directory.c 2007-08-14 03:26:08 +0300 @@ -36,14 +36,14 @@ if (!ad) { - udf_release_data(*bh); + brelse(*bh); *error = 1; return NULL; } if (*offset == dir->i_sb->s_blocksize) { - udf_release_data(*bh); + brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); if (!block) return NULL; @@ -57,7 +57,7 @@ remainder = dir->i_sb->s_blocksize - loffset; memcpy((uint8_t *)ad, (*bh)->b_data + loffset, remainder); - udf_release_data(*bh); + brelse(*bh); block = udf_get_lb_pblock(dir->i_sb, fe_loc, ++*pos); if (!block) return NULL; @@ -75,9 +75,9 @@ udf_fileident_read(struct inode *dir, loff_t *nf_pos, struct udf_fileident_bh *fibh, struct fileIdentDesc *cfi, - kernel_lb_addr *bloc, uint32_t *extoffset, + struct extent_position *epos, kernel_lb_addr *eloc, uint32_t *elen, - uint32_t *offset, struct buffer_head **bh) + sector_t *offset) { struct fileIdentDesc *fi; int i, num, block; @@ -105,13 +105,11 @@ if (fibh->eoffset == dir->i_sb->s_blocksize) { - int lextoffset = *extoffset; + int lextoffset = epos->offset; - if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) != + if (udf_next_aext(dir, epos, eloc, elen, 1) != (EXT_RECORDED_ALLOCATED >> 30)) - { return NULL; - } block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); @@ -120,9 +118,9 @@ if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) *offset = 0; else - *extoffset = lextoffset; + epos->offset = lextoffset; - udf_release_data(fibh->sbh); + brelse(fibh->sbh); if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) return NULL; fibh->soffset = fibh->eoffset = 0; @@ -151,7 +149,7 @@ } else if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -169,13 +167,11 @@ } else if (fibh->eoffset > dir->i_sb->s_blocksize) { - int lextoffset = *extoffset; + int lextoffset = epos->offset; - if (udf_next_aext(dir, bloc, extoffset, eloc, elen, bh, 1) != + if (udf_next_aext(dir, epos, eloc, elen, 1) != (EXT_RECORDED_ALLOCATED >> 30)) - { return NULL; - } block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset); @@ -184,7 +180,7 @@ if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen) *offset = 0; else - *extoffset = lextoffset; + epos->offset = lextoffset; fibh->soffset -= dir->i_sb->s_blocksize; fibh->eoffset -= dir->i_sb->s_blocksize; diff -urN kernel-source-2.6.18.orig/fs/udf/file.c kernel-source-2.6.18/fs/udf/file.c --- kernel-source-2.6.18.orig/fs/udf/file.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/file.c 2007-08-14 11:35:53 +0300 @@ -36,6 +36,7 @@ #include #include #include +#include #include "udf_i.h" #include "udf_sb.h" @@ -103,10 +104,11 @@ .commit_write = udf_adinicb_commit_write, }; -static ssize_t udf_file_write(struct file * file, const char __user * buf, - size_t count, loff_t *ppos) +static ssize_t udf_file_aio_write(struct kiocb *iocb, const char __user *buf, + size_t count, loff_t ppos) { ssize_t retval; + struct file *file = iocb->ki_filp; struct inode *inode = file->f_dentry->d_inode; int err, pos; @@ -115,7 +117,7 @@ if (file->f_flags & O_APPEND) pos = inode->i_size; else - pos = *ppos; + pos = ppos; if (inode->i_sb->s_blocksize < (udf_file_entry_alloc_offset(inode) + pos + count)) @@ -136,7 +138,7 @@ } } - retval = generic_file_write(file, buf, count, ppos); + retval = generic_file_aio_write(iocb, buf, count, ppos); if (retval > 0) mark_inode_dirty(inode); @@ -249,16 +251,18 @@ } const struct file_operations udf_file_operations = { - .read = generic_file_read, + .read = do_sync_read, + .aio_read = generic_file_aio_read, .ioctl = udf_ioctl, .open = generic_file_open, .mmap = generic_file_mmap, - .write = udf_file_write, + .write = do_sync_write, + .aio_write = udf_file_aio_write, .release = udf_release_file, .fsync = udf_fsync_file, .sendfile = generic_file_sendfile, }; -struct inode_operations udf_file_inode_operations = { +const struct inode_operations udf_file_inode_operations = { .truncate = udf_truncate, }; diff -urN kernel-source-2.6.18.orig/fs/udf/fsync.c kernel-source-2.6.18/fs/udf/fsync.c --- kernel-source-2.6.18.orig/fs/udf/fsync.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/fsync.c 2007-08-14 03:26:08 +0300 @@ -21,7 +21,6 @@ #include "udfdecl.h" #include -#include static int udf_fsync_inode(struct inode *, int); diff -urN kernel-source-2.6.18.orig/fs/udf/ialloc.c kernel-source-2.6.18/fs/udf/ialloc.c --- kernel-source-2.6.18.orig/fs/udf/ialloc.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/ialloc.c 2007-08-14 03:26:08 +0300 @@ -121,7 +121,6 @@ UDF_I_LOCATION(inode).logicalBlockNum = block; UDF_I_LOCATION(inode).partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; inode->i_ino = udf_get_lb_pblock(sb, UDF_I_LOCATION(inode), 0); - inode->i_blksize = PAGE_SIZE; inode->i_blocks = 0; UDF_I_LENEATTR(inode) = 0; UDF_I_LENALLOC(inode) = 0; @@ -130,14 +129,12 @@ { UDF_I_EFE(inode) = 1; UDF_UPDATE_UDFREV(inode->i_sb, UDF_VERS_USE_EXTENDED_FE); - UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL); - memset(UDF_I_DATA(inode), 0x00, inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry)); + UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct extendedFileEntry), GFP_KERNEL); } else { UDF_I_EFE(inode) = 0; - UDF_I_DATA(inode) = kmalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL); - memset(UDF_I_DATA(inode), 0x00, inode->i_sb->s_blocksize - sizeof(struct fileEntry)); + UDF_I_DATA(inode) = kzalloc(inode->i_sb->s_blocksize - sizeof(struct fileEntry), GFP_KERNEL); } if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_USE_AD_IN_ICB)) UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; diff -urN kernel-source-2.6.18.orig/fs/udf/inode.c kernel-source-2.6.18/fs/udf/inode.c --- kernel-source-2.6.18.orig/fs/udf/inode.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/inode.c 2007-08-14 03:26:08 +0300 @@ -49,10 +49,10 @@ static mode_t udf_convert_permissions(struct fileEntry *); static int udf_update_inode(struct inode *, int); static void udf_fill_inode(struct inode *, struct buffer_head *); -static struct buffer_head *inode_getblk(struct inode *, long, int *, +static struct buffer_head *inode_getblk(struct inode *, sector_t, int *, long *, int *); -static int8_t udf_insert_aext(struct inode *, kernel_lb_addr, int, - kernel_lb_addr, uint32_t, struct buffer_head *); +static int8_t udf_insert_aext(struct inode *, struct extent_position, + kernel_lb_addr, uint32_t); static void udf_split_extents(struct inode *, int *, int, int, kernel_long_ad [EXTENT_MERGE_SIZE], int *); static void udf_prealloc_extents(struct inode *, int, int, @@ -61,7 +61,7 @@ kernel_long_ad [EXTENT_MERGE_SIZE], int *); static void udf_update_extents(struct inode *, kernel_long_ad [EXTENT_MERGE_SIZE], int, int, - kernel_lb_addr, uint32_t, struct buffer_head **); + struct extent_position *); static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int); /* @@ -100,14 +100,23 @@ clear_inode(inode); } +/* + * If we are going to release inode from memory, we discard preallocation and + * truncate last inode extent to proper length. We could use drop_inode() but + * it's called under inode_lock and thus we cannot mark inode dirty there. We + * use clear_inode() but we have to make sure to write inode as it's not written + * automatically. + */ void udf_clear_inode(struct inode *inode) { if (!(inode->i_sb->s_flags & MS_RDONLY)) { lock_kernel(); + /* Discard preallocation for directories, symlinks, etc. */ udf_discard_prealloc(inode); + udf_truncate_tail_extent(inode); unlock_kernel(); + write_inode_now(inode, 1); } - kfree(UDF_I_DATA(inode)); UDF_I_DATA(inode) = NULL; } @@ -194,10 +203,11 @@ struct buffer_head * udf_expand_dir_adinicb(struct inode *inode, int *block, int *err) { int newblock; - struct buffer_head *sbh = NULL, *dbh = NULL; - kernel_lb_addr bloc, eloc; - uint32_t elen, extoffset; + struct buffer_head *dbh = NULL; + kernel_lb_addr eloc; + uint32_t elen; uint8_t alloctype; + struct extent_position epos; struct udf_fileident_bh sfibh, dfibh; loff_t f_pos = udf_ext0_offset(inode) >> 2; @@ -237,16 +247,16 @@ mark_buffer_dirty_inode(dbh, inode); sfibh.soffset = sfibh.eoffset = (f_pos & ((inode->i_sb->s_blocksize - 1) >> 2)) << 2; - sbh = sfibh.sbh = sfibh.ebh = NULL; + sfibh.sbh = sfibh.ebh = NULL; dfibh.soffset = dfibh.eoffset = 0; dfibh.sbh = dfibh.ebh = dbh; while ( (f_pos < size) ) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL, NULL, NULL); + sfi = udf_fileident_read(inode, &f_pos, &sfibh, &cfi, NULL, NULL, NULL, NULL); if (!sfi) { - udf_release_data(dbh); + brelse(dbh); return NULL; } UDF_I_ALLOCTYPE(inode) = alloctype; @@ -258,7 +268,7 @@ sfi->fileIdent + le16_to_cpu(sfi->lengthOfImpUse))) { UDF_I_ALLOCTYPE(inode) = ICBTAG_FLAG_AD_IN_ICB; - udf_release_data(dbh); + brelse(dbh); return NULL; } } @@ -266,16 +276,17 @@ memset(UDF_I_DATA(inode) + UDF_I_LENEATTR(inode), 0, UDF_I_LENALLOC(inode)); UDF_I_LENALLOC(inode) = 0; - bloc = UDF_I_LOCATION(inode); eloc.logicalBlockNum = *block; eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_size; UDF_I_LENEXTENTS(inode) = elen; - extoffset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &sbh, 0); + epos.bh = NULL; + epos.block = UDF_I_LOCATION(inode); + epos.offset = udf_file_entry_alloc_offset(inode); + udf_add_aext(inode, &epos, eloc, elen, 0); /* UniqueID stuff */ - udf_release_data(sbh); + brelse(epos.bh); mark_inode_dirty(inode); return dbh; } @@ -354,53 +365,153 @@ return NULL; } -static struct buffer_head * inode_getblk(struct inode * inode, long block, +/* Extend the file by 'blocks' blocks, return the number of extents added */ +int udf_extend_file(struct inode *inode, struct extent_position *last_pos, + kernel_long_ad *last_ext, sector_t blocks) +{ + sector_t add; + int count = 0, fake = !(last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + struct super_block *sb = inode->i_sb; + kernel_lb_addr prealloc_loc = {0, 0}; + int prealloc_len = 0; + + /* The previous extent is fake and we should not extend by anything + * - there's nothing to do... */ + if (!blocks && fake) + return 0; + /* Round the last extent up to a multiple of block size */ + if (last_ext->extLength & (sb->s_blocksize - 1)) { + last_ext->extLength = + (last_ext->extLength & UDF_EXTENT_FLAG_MASK) | + (((last_ext->extLength & UDF_EXTENT_LENGTH_MASK) + + sb->s_blocksize - 1) & ~(sb->s_blocksize - 1)); + UDF_I_LENEXTENTS(inode) = + (UDF_I_LENEXTENTS(inode) + sb->s_blocksize - 1) & + ~(sb->s_blocksize - 1); + } + /* Last extent are just preallocated blocks? */ + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_ALLOCATED) { + /* Save the extent so that we can reattach it to the end */ + prealloc_loc = last_ext->extLocation; + prealloc_len = last_ext->extLength; + /* Mark the extent as a hole */ + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (last_ext->extLength & UDF_EXTENT_LENGTH_MASK); + last_ext->extLocation.logicalBlockNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; + } + /* Can we merge with the previous extent? */ + if ((last_ext->extLength & UDF_EXTENT_FLAG_MASK) == EXT_NOT_RECORDED_NOT_ALLOCATED) { + add = ((1<<30) - sb->s_blocksize - (last_ext->extLength & + UDF_EXTENT_LENGTH_MASK)) >> sb->s_blocksize_bits; + if (add > blocks) + add = blocks; + blocks -= add; + last_ext->extLength += add << sb->s_blocksize_bits; + } + + if (fake) { + udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1); + count++; + } + else + udf_write_aext(inode, last_pos, last_ext->extLocation, last_ext->extLength, 1); + /* Managed to do everything necessary? */ + if (!blocks) + goto out; + + /* All further extents will be NOT_RECORDED_NOT_ALLOCATED */ + last_ext->extLocation.logicalBlockNum = 0; + last_ext->extLocation.partitionReferenceNum = 0; + add = (1 << (30-sb->s_blocksize_bits)) - 1; + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | (add << sb->s_blocksize_bits); + /* Create enough extents to cover the whole hole */ + while (blocks > add) { + blocks -= add; + if (udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1) == -1) + return -1; + count++; + } + if (blocks) { + last_ext->extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + (blocks << sb->s_blocksize_bits); + if (udf_add_aext(inode, last_pos, last_ext->extLocation, + last_ext->extLength, 1) == -1) + return -1; + count++; + } +out: + /* Do we have some preallocated blocks saved? */ + if (prealloc_len) { + if (udf_add_aext(inode, last_pos, prealloc_loc, prealloc_len, 1) == -1) + return -1; + last_ext->extLocation = prealloc_loc; + last_ext->extLength = prealloc_len; + count++; + } + /* last_pos should point to the last written extent... */ + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) + last_pos->offset -= sizeof(short_ad); + else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) + last_pos->offset -= sizeof(long_ad); + else + return -1; + return count; +} + +static struct buffer_head * inode_getblk(struct inode * inode, sector_t block, int *err, long *phys, int *new) { - struct buffer_head *pbh = NULL, *cbh = NULL, *nbh = NULL, *result = NULL; + static sector_t last_block; + struct buffer_head *result = NULL; kernel_long_ad laarr[EXTENT_MERGE_SIZE]; - uint32_t pextoffset = 0, cextoffset = 0, nextoffset = 0; + struct extent_position prev_epos, cur_epos, next_epos; int count = 0, startnum = 0, endnum = 0; - uint32_t elen = 0; - kernel_lb_addr eloc, pbloc, cbloc, nbloc; + uint32_t elen = 0, tmpelen; + kernel_lb_addr eloc, tmpeloc; int c = 1; - uint64_t lbcount = 0, b_off = 0; - uint32_t newblocknum, newblock, offset = 0; + loff_t lbcount = 0, b_off = 0; + uint32_t newblocknum, newblock; + sector_t offset = 0; int8_t etype; int goal = 0, pgoal = UDF_I_LOCATION(inode).logicalBlockNum; - char lastblock = 0; + int lastblock = 0; - pextoffset = cextoffset = nextoffset = udf_file_entry_alloc_offset(inode); - b_off = (uint64_t)block << inode->i_sb->s_blocksize_bits; - pbloc = cbloc = nbloc = UDF_I_LOCATION(inode); + prev_epos.offset = udf_file_entry_alloc_offset(inode); + prev_epos.block = UDF_I_LOCATION(inode); + prev_epos.bh = NULL; + cur_epos = next_epos = prev_epos; + b_off = (loff_t)block << inode->i_sb->s_blocksize_bits; /* find the extent which contains the block we are looking for. alternate between laarr[0] and laarr[1] for locations of the current extent, and the previous extent */ do { - if (pbh != cbh) + if (prev_epos.bh != cur_epos.bh) { - udf_release_data(pbh); - atomic_inc(&cbh->b_count); - pbh = cbh; + brelse(prev_epos.bh); + get_bh(cur_epos.bh); + prev_epos.bh = cur_epos.bh; } - if (cbh != nbh) + if (cur_epos.bh != next_epos.bh) { - udf_release_data(cbh); - atomic_inc(&nbh->b_count); - cbh = nbh; + brelse(cur_epos.bh); + get_bh(next_epos.bh); + cur_epos.bh = next_epos.bh; } lbcount += elen; - pbloc = cbloc; - cbloc = nbloc; + prev_epos.block = cur_epos.block; + cur_epos.block = next_epos.block; - pextoffset = cextoffset; - cextoffset = nextoffset; + prev_epos.offset = cur_epos.offset; + cur_epos.offset = next_epos.offset; - if ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) == -1) + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 1)) == -1) break; c = !c; @@ -418,6 +529,12 @@ b_off -= lbcount; offset = b_off >> inode->i_sb->s_blocksize_bits; + /* + * Move prev_epos and cur_epos into indirect extent if we are at + * the pointer to it + */ + udf_next_aext(inode, &prev_epos, &tmpeloc, &tmpelen, 0); + udf_next_aext(inode, &cur_epos, &tmpeloc, &tmpelen, 0); /* if the extent is allocated and recorded, return the block if the extent is not a multiple of the blocksize, round up */ @@ -429,54 +546,77 @@ elen = EXT_RECORDED_ALLOCATED | ((elen + inode->i_sb->s_blocksize - 1) & ~(inode->i_sb->s_blocksize - 1)); - etype = udf_write_aext(inode, nbloc, &cextoffset, eloc, elen, nbh, 1); + etype = udf_write_aext(inode, &cur_epos, eloc, elen, 1); } - udf_release_data(pbh); - udf_release_data(cbh); - udf_release_data(nbh); + brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); newblock = udf_get_lb_pblock(inode->i_sb, eloc, offset); *phys = newblock; return NULL; } + last_block = block; + /* Are we beyond EOF? */ if (etype == -1) { - endnum = startnum = ((count > 1) ? 1 : count); - if (laarr[c].extLength & (inode->i_sb->s_blocksize - 1)) - { - laarr[c].extLength = - (laarr[c].extLength & UDF_EXTENT_FLAG_MASK) | - (((laarr[c].extLength & UDF_EXTENT_LENGTH_MASK) + - inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - UDF_I_LENEXTENTS(inode) = - (UDF_I_LENEXTENTS(inode) + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1); + int ret; + + if (count) { + if (c) + laarr[0] = laarr[1]; + startnum = 1; + } + else { + /* Create a fake extent when there's not one */ + memset(&laarr[0].extLocation, 0x00, sizeof(kernel_lb_addr)); + laarr[0].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; + /* Will udf_extend_file() create real extent from a fake one? */ + startnum = (offset > 0); + } + /* Create extents for the hole between EOF and offset */ + ret = udf_extend_file(inode, &prev_epos, laarr, offset); + if (ret == -1) { + brelse(prev_epos.bh); + brelse(cur_epos.bh); + brelse(next_epos.bh); + /* We don't really know the error here so we just make + * something up */ + *err = -ENOSPC; + return NULL; } - c = !c; - laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | - ((offset + 1) << inode->i_sb->s_blocksize_bits); - memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); - count ++; - endnum ++; + c = 0; + offset = 0; + count += ret; + /* We are not covered by a preallocated extent? */ + if ((laarr[0].extLength & UDF_EXTENT_FLAG_MASK) != EXT_NOT_RECORDED_ALLOCATED) { + /* Is there any real extent? - otherwise we overwrite + * the fake one... */ + if (count) + c = !c; + laarr[c].extLength = EXT_NOT_RECORDED_NOT_ALLOCATED | + inode->i_sb->s_blocksize; + memset(&laarr[c].extLocation, 0x00, sizeof(kernel_lb_addr)); + count ++; + endnum ++; + } + endnum = c+1; lastblock = 1; } - else + else { endnum = startnum = ((count > 2) ? 2 : count); - /* if the current extent is in position 0, swap it with the previous */ - if (!c && count != 1) - { - laarr[2] = laarr[0]; - laarr[0] = laarr[1]; - laarr[1] = laarr[2]; - c = 1; - } + /* if the current extent is in position 0, swap it with the previous */ + if (!c && count != 1) + { + laarr[2] = laarr[0]; + laarr[0] = laarr[1]; + laarr[1] = laarr[2]; + c = 1; + } - /* if the current block is located in a extent, read the next extent */ - if (etype != -1) - { - if ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 0)) != -1) + /* if the current block is located in an extent, read the next extent */ + if ((etype = udf_next_aext(inode, &next_epos, &eloc, &elen, 0)) != -1) { laarr[c+1].extLength = (etype << 30) | elen; laarr[c+1].extLocation = eloc; @@ -484,11 +624,10 @@ startnum ++; endnum ++; } - else + else { lastblock = 1; + } } - udf_release_data(cbh); - udf_release_data(nbh); /* if the current extent is not recorded but allocated, get the block in the extent corresponding to the requested block */ @@ -508,7 +647,7 @@ if (!(newblocknum = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, goal, err))) { - udf_release_data(pbh); + brelse(prev_epos.bh); *err = -ENOSPC; return NULL; } @@ -529,11 +668,11 @@ udf_merge_extents(inode, laarr, &endnum); /* write back the new extents, inserting new extents if the new number - of extents is greater than the old number, and deleting extents if - the new number of extents is less than the old number */ - udf_update_extents(inode, laarr, startnum, endnum, pbloc, pextoffset, &pbh); + of extents is greater than the old number, and deleting extents if + the new number of extents is less than the old number */ + udf_update_extents(inode, laarr, startnum, endnum, &prev_epos); - udf_release_data(pbh); + brelse(prev_epos.bh); if (!(newblock = udf_get_pblock(inode->i_sb, newblocknum, UDF_I_LOCATION(inode).partitionReferenceNum, 0))) @@ -795,7 +934,7 @@ static void udf_update_extents(struct inode *inode, kernel_long_ad laarr[EXTENT_MERGE_SIZE], int startnum, int endnum, - kernel_lb_addr pbloc, uint32_t pextoffset, struct buffer_head **pbh) + struct extent_position *epos) { int start = 0, i; kernel_lb_addr tmploc; @@ -804,28 +943,26 @@ if (startnum > endnum) { for (i=0; i<(startnum-endnum); i++) - { - udf_delete_aext(inode, pbloc, pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh); - } + udf_delete_aext(inode, *epos, laarr[i].extLocation, + laarr[i].extLength); } else if (startnum < endnum) { for (i=0; i<(endnum-startnum); i++) { - udf_insert_aext(inode, pbloc, pextoffset, laarr[i].extLocation, - laarr[i].extLength, *pbh); - udf_next_aext(inode, &pbloc, &pextoffset, &laarr[i].extLocation, - &laarr[i].extLength, pbh, 1); + udf_insert_aext(inode, *epos, laarr[i].extLocation, + laarr[i].extLength); + udf_next_aext(inode, epos, &laarr[i].extLocation, + &laarr[i].extLength, 1); start ++; } } for (i=start; ii_blksize = PAGE_SIZE; - bh = udf_read_ptagged(inode->i_sb, UDF_I_LOCATION(inode), 0, &ident); if (!bh) @@ -933,7 +1068,7 @@ { printk(KERN_ERR "udf: udf_read_inode(ino %ld) failed ident=%d\n", inode->i_ino, ident); - udf_release_data(bh); + brelse(bh); make_bad_inode(inode); return; } @@ -962,35 +1097,36 @@ ident == TAG_IDENT_EFE) { memcpy(&UDF_I_LOCATION(inode), &loc, sizeof(kernel_lb_addr)); - udf_release_data(bh); - udf_release_data(ibh); - udf_release_data(nbh); + brelse(bh); + brelse(ibh); + brelse(nbh); __udf_read_inode(inode); return; } else { - udf_release_data(nbh); - udf_release_data(ibh); + brelse(nbh); + brelse(ibh); } } else - udf_release_data(ibh); + brelse(ibh); } } else - udf_release_data(ibh); + brelse(ibh); } else if (le16_to_cpu(fe->icbTag.strategyType) != 4) { printk(KERN_ERR "udf: unsupported strategy type: %d\n", le16_to_cpu(fe->icbTag.strategyType)); - udf_release_data(bh); + brelse(bh); make_bad_inode(inode); return; } udf_fill_inode(inode, bh); - udf_release_data(bh); + + brelse(bh); } static void udf_fill_inode(struct inode *inode, struct buffer_head *bh) @@ -1333,7 +1469,7 @@ use->descTag.tagChecksum += ((uint8_t *)&(use->descTag))[i]; mark_buffer_dirty(bh); - udf_release_data(bh); + brelse(bh); return err; } @@ -1522,7 +1658,7 @@ err = -EIO; } } - udf_release_data(bh); + brelse(bh); return err; } @@ -1558,8 +1694,8 @@ return NULL; } -int8_t udf_add_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head **bh, int inc) +int8_t udf_add_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr eloc, uint32_t elen, int inc) { int adsize; short_ad *sad = NULL; @@ -1568,10 +1704,10 @@ int8_t etype; uint8_t *ptr; - if (!*bh) - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->bh) + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else - ptr = (*bh)->b_data + *extoffset; + ptr = epos->bh->b_data + epos->offset; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) adsize = sizeof(short_ad); @@ -1580,20 +1716,20 @@ else return -1; - if (*extoffset + (2 * adsize) > inode->i_sb->s_blocksize) + if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) { char *sptr, *dptr; struct buffer_head *nbh; int err, loffset; - kernel_lb_addr obloc = *bloc; + kernel_lb_addr obloc = epos->block; - if (!(bloc->logicalBlockNum = udf_new_block(inode->i_sb, NULL, + if (!(epos->block.logicalBlockNum = udf_new_block(inode->i_sb, NULL, obloc.partitionReferenceNum, obloc.logicalBlockNum, &err))) { return -1; } if (!(nbh = udf_tgetblk(inode->i_sb, udf_get_lb_pblock(inode->i_sb, - *bloc, 0)))) + epos->block, 0)))) { return -1; } @@ -1606,25 +1742,25 @@ aed = (struct allocExtDesc *)(nbh->b_data); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT)) aed->previousAllocExtLocation = cpu_to_le32(obloc.logicalBlockNum); - if (*extoffset + adsize > inode->i_sb->s_blocksize) + if (epos->offset + adsize > inode->i_sb->s_blocksize) { - loffset = *extoffset; + loffset = epos->offset; aed->lengthAllocDescs = cpu_to_le32(adsize); sptr = ptr - adsize; dptr = nbh->b_data + sizeof(struct allocExtDesc); memcpy(dptr, sptr, adsize); - *extoffset = sizeof(struct allocExtDesc) + adsize; + epos->offset = sizeof(struct allocExtDesc) + adsize; } else { - loffset = *extoffset + adsize; + loffset = epos->offset + adsize; aed->lengthAllocDescs = cpu_to_le32(0); sptr = ptr; - *extoffset = sizeof(struct allocExtDesc); + epos->offset = sizeof(struct allocExtDesc); - if (*bh) + if (epos->bh) { - aed = (struct allocExtDesc *)(*bh)->b_data; + aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); } @@ -1636,10 +1772,10 @@ } if (UDF_SB_UDFREV(inode->i_sb) >= 0x0200) udf_new_tag(nbh->b_data, TAG_IDENT_AED, 3, 1, - bloc->logicalBlockNum, sizeof(tag)); + epos->block.logicalBlockNum, sizeof(tag)); else udf_new_tag(nbh->b_data, TAG_IDENT_AED, 2, 1, - bloc->logicalBlockNum, sizeof(tag)); + epos->block.logicalBlockNum, sizeof(tag)); switch (UDF_I_ALLOCTYPE(inode)) { case ICBTAG_FLAG_AD_SHORT: @@ -1648,7 +1784,7 @@ sad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | inode->i_sb->s_blocksize); - sad->extPosition = cpu_to_le32(bloc->logicalBlockNum); + sad->extPosition = cpu_to_le32(epos->block.logicalBlockNum); break; } case ICBTAG_FLAG_AD_LONG: @@ -1657,60 +1793,57 @@ lad->extLength = cpu_to_le32( EXT_NEXT_EXTENT_ALLOCDECS | inode->i_sb->s_blocksize); - lad->extLocation = cpu_to_lelb(*bloc); + lad->extLocation = cpu_to_lelb(epos->block); memset(lad->impUse, 0x00, sizeof(lad->impUse)); break; } } - if (*bh) + if (epos->bh) { if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((*bh)->b_data, loffset); + udf_update_tag(epos->bh->b_data, loffset); else - udf_update_tag((*bh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(*bh, inode); - udf_release_data(*bh); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos->bh, inode); + brelse(epos->bh); } else mark_inode_dirty(inode); - *bh = nbh; + epos->bh = nbh; } - etype = udf_write_aext(inode, *bloc, extoffset, eloc, elen, *bh, inc); + etype = udf_write_aext(inode, epos, eloc, elen, inc); - if (!*bh) + if (!epos->bh) { UDF_I_LENALLOC(inode) += adsize; mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(*bh)->b_data; + aed = (struct allocExtDesc *)epos->bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) + adsize); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((*bh)->b_data, *extoffset + (inc ? 0 : adsize)); + udf_update_tag(epos->bh->b_data, epos->offset + (inc ? 0 : adsize)); else - udf_update_tag((*bh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(*bh, inode); + udf_update_tag(epos->bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos->bh, inode); } return etype; } -int8_t udf_write_aext(struct inode *inode, kernel_lb_addr bloc, int *extoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head *bh, int inc) +int8_t udf_write_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr eloc, uint32_t elen, int inc) { int adsize; uint8_t *ptr; - if (!bh) - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->bh) + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); else - { - ptr = bh->b_data + *extoffset; - atomic_inc(&bh->b_count); - } + ptr = epos->bh->b_data + epos->offset; switch (UDF_I_ALLOCTYPE(inode)) { @@ -1735,40 +1868,39 @@ return -1; } - if (bh) + if (epos->bh) { if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh)->b_data; - udf_update_tag((bh)->b_data, + struct allocExtDesc *aed = (struct allocExtDesc *)epos->bh->b_data; + udf_update_tag(epos->bh->b_data, le32_to_cpu(aed->lengthAllocDescs) + sizeof(struct allocExtDesc)); } - mark_buffer_dirty_inode(bh, inode); - udf_release_data(bh); + mark_buffer_dirty_inode(epos->bh, inode); } else mark_inode_dirty(inode); if (inc) - *extoffset += adsize; + epos->offset += adsize; return (elen >> 30); } -int8_t udf_next_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, struct buffer_head **bh, int inc) +int8_t udf_next_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr *eloc, uint32_t *elen, int inc) { int8_t etype; - while ((etype = udf_current_aext(inode, bloc, extoffset, eloc, elen, bh, inc)) == + while ((etype = udf_current_aext(inode, epos, eloc, elen, inc)) == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { - *bloc = *eloc; - *extoffset = sizeof(struct allocExtDesc); - udf_release_data(*bh); - if (!(*bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, *bloc, 0)))) + epos->block = *eloc; + epos->offset = sizeof(struct allocExtDesc); + brelse(epos->bh); + if (!(epos->bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, epos->block, 0)))) { udf_debug("reading block %d failed!\n", - udf_get_lb_pblock(inode->i_sb, *bloc, 0)); + udf_get_lb_pblock(inode->i_sb, epos->block, 0)); return -1; } } @@ -1776,26 +1908,26 @@ return etype; } -int8_t udf_current_aext(struct inode *inode, kernel_lb_addr *bloc, int *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, struct buffer_head **bh, int inc) +int8_t udf_current_aext(struct inode *inode, struct extent_position *epos, + kernel_lb_addr *eloc, uint32_t *elen, int inc) { int alen; int8_t etype; uint8_t *ptr; - if (!*bh) + if (!epos->bh) { - if (!(*extoffset)) - *extoffset = udf_file_entry_alloc_offset(inode); - ptr = UDF_I_DATA(inode) + *extoffset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); + if (!epos->offset) + epos->offset = udf_file_entry_alloc_offset(inode); + ptr = UDF_I_DATA(inode) + epos->offset - udf_file_entry_alloc_offset(inode) + UDF_I_LENEATTR(inode); alen = udf_file_entry_alloc_offset(inode) + UDF_I_LENALLOC(inode); } else { - if (!(*extoffset)) - *extoffset = sizeof(struct allocExtDesc); - ptr = (*bh)->b_data + *extoffset; - alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)(*bh)->b_data)->lengthAllocDescs); + if (!epos->offset) + epos->offset = sizeof(struct allocExtDesc); + ptr = epos->bh->b_data + epos->offset; + alen = sizeof(struct allocExtDesc) + le32_to_cpu(((struct allocExtDesc *)epos->bh->b_data)->lengthAllocDescs); } switch (UDF_I_ALLOCTYPE(inode)) @@ -1804,7 +1936,7 @@ { short_ad *sad; - if (!(sad = udf_get_fileshortad(ptr, alen, extoffset, inc))) + if (!(sad = udf_get_fileshortad(ptr, alen, &epos->offset, inc))) return -1; etype = le32_to_cpu(sad->extLength) >> 30; @@ -1817,7 +1949,7 @@ { long_ad *lad; - if (!(lad = udf_get_filelongad(ptr, alen, extoffset, inc))) + if (!(lad = udf_get_filelongad(ptr, alen, &epos->offset, inc))) return -1; etype = le32_to_cpu(lad->extLength) >> 30; @@ -1836,41 +1968,40 @@ } static int8_t -udf_insert_aext(struct inode *inode, kernel_lb_addr bloc, int extoffset, - kernel_lb_addr neloc, uint32_t nelen, struct buffer_head *bh) +udf_insert_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr neloc, uint32_t nelen) { kernel_lb_addr oeloc; uint32_t oelen; int8_t etype; - if (bh) - atomic_inc(&bh->b_count); + if (epos.bh) + get_bh(epos.bh); - while ((etype = udf_next_aext(inode, &bloc, &extoffset, &oeloc, &oelen, &bh, 0)) != -1) + while ((etype = udf_next_aext(inode, &epos, &oeloc, &oelen, 0)) != -1) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 1); + udf_write_aext(inode, &epos, neloc, nelen, 1); neloc = oeloc; nelen = (etype << 30) | oelen; } - udf_add_aext(inode, &bloc, &extoffset, neloc, nelen, &bh, 1); - udf_release_data(bh); + udf_add_aext(inode, &epos, neloc, nelen, 1); + brelse(epos.bh); return (nelen >> 30); } -int8_t udf_delete_aext(struct inode *inode, kernel_lb_addr nbloc, int nextoffset, - kernel_lb_addr eloc, uint32_t elen, struct buffer_head *nbh) +int8_t udf_delete_aext(struct inode *inode, struct extent_position epos, + kernel_lb_addr eloc, uint32_t elen) { - struct buffer_head *obh; - kernel_lb_addr obloc; - int oextoffset, adsize; + struct extent_position oepos; + int adsize; int8_t etype; struct allocExtDesc *aed; - if (nbh) + if (epos.bh) { - atomic_inc(&nbh->b_count); - atomic_inc(&nbh->b_count); + get_bh(epos.bh); + get_bh(epos.bh); } if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) @@ -1880,80 +2011,77 @@ else adsize = 0; - obh = nbh; - obloc = nbloc; - oextoffset = nextoffset; - - if (udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1) == -1) + oepos = epos; + if (udf_next_aext(inode, &epos, &eloc, &elen, 1) == -1) return -1; - while ((etype = udf_next_aext(inode, &nbloc, &nextoffset, &eloc, &elen, &nbh, 1)) != -1) + while ((etype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { - udf_write_aext(inode, obloc, &oextoffset, eloc, (etype << 30) | elen, obh, 1); - if (obh != nbh) + udf_write_aext(inode, &oepos, eloc, (etype << 30) | elen, 1); + if (oepos.bh != epos.bh) { - obloc = nbloc; - udf_release_data(obh); - atomic_inc(&nbh->b_count); - obh = nbh; - oextoffset = nextoffset - adsize; + oepos.block = epos.block; + brelse(oepos.bh); + get_bh(epos.bh); + oepos.bh = epos.bh; + oepos.offset = epos.offset - adsize; } } memset(&eloc, 0x00, sizeof(kernel_lb_addr)); elen = 0; - if (nbh != obh) + if (epos.bh != oepos.bh) { - udf_free_blocks(inode->i_sb, inode, nbloc, 0, 1); - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - if (!obh) + udf_free_blocks(inode->i_sb, inode, epos.block, 0, 1); + udf_write_aext(inode, &oepos, eloc, elen, 1); + udf_write_aext(inode, &oepos, eloc, elen, 1); + if (!oepos.bh) { UDF_I_LENALLOC(inode) -= (adsize * 2); mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - (2*adsize)); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((obh)->b_data, oextoffset - (2*adsize)); + udf_update_tag(oepos.bh->b_data, oepos.offset - (2*adsize)); else - udf_update_tag((obh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(obh, inode); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(oepos.bh, inode); } } else { - udf_write_aext(inode, obloc, &oextoffset, eloc, elen, obh, 1); - if (!obh) + udf_write_aext(inode, &oepos, eloc, elen, 1); + if (!oepos.bh) { UDF_I_LENALLOC(inode) -= adsize; mark_inode_dirty(inode); } else { - aed = (struct allocExtDesc *)(obh)->b_data; + aed = (struct allocExtDesc *)oepos.bh->b_data; aed->lengthAllocDescs = cpu_to_le32(le32_to_cpu(aed->lengthAllocDescs) - adsize); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag((obh)->b_data, oextoffset - adsize); + udf_update_tag(oepos.bh->b_data, epos.offset - adsize); else - udf_update_tag((obh)->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(obh, inode); + udf_update_tag(oepos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(oepos.bh, inode); } } - udf_release_data(nbh); - udf_release_data(obh); + brelse(epos.bh); + brelse(oepos.bh); return (elen >> 30); } -int8_t inode_bmap(struct inode *inode, int block, kernel_lb_addr *bloc, uint32_t *extoffset, - kernel_lb_addr *eloc, uint32_t *elen, uint32_t *offset, struct buffer_head **bh) +int8_t inode_bmap(struct inode *inode, sector_t block, struct extent_position *pos, + kernel_lb_addr *eloc, uint32_t *elen, sector_t *offset) { - uint64_t lbcount = 0, bcount = (uint64_t)block << inode->i_sb->s_blocksize_bits; + loff_t lbcount = 0, bcount = (loff_t)block << inode->i_sb->s_blocksize_bits; int8_t etype; if (block < 0) @@ -1962,42 +2090,44 @@ return -1; } - *extoffset = 0; + pos->offset = 0; + pos->block = UDF_I_LOCATION(inode); + pos->bh = NULL; *elen = 0; - *bloc = UDF_I_LOCATION(inode); do { - if ((etype = udf_next_aext(inode, bloc, extoffset, eloc, elen, bh, 1)) == -1) + if ((etype = udf_next_aext(inode, pos, eloc, elen, 1)) == -1) { - *offset = bcount - lbcount; + *offset = (bcount - lbcount) >> inode->i_sb->s_blocksize_bits; UDF_I_LENEXTENTS(inode) = lbcount; return -1; } lbcount += *elen; } while (lbcount <= bcount); - *offset = bcount + *elen - lbcount; + *offset = (bcount + *elen - lbcount) >> inode->i_sb->s_blocksize_bits; return etype; } -long udf_block_map(struct inode *inode, long block) +long udf_block_map(struct inode *inode, sector_t block) { - kernel_lb_addr eloc, bloc; - uint32_t offset, extoffset, elen; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; int ret; lock_kernel(); - if (inode_bmap(inode, block, &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) - ret = udf_get_lb_pblock(inode->i_sb, eloc, offset >> inode->i_sb->s_blocksize_bits); + if (inode_bmap(inode, block, &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) + ret = udf_get_lb_pblock(inode->i_sb, eloc, offset); else ret = 0; unlock_kernel(); - udf_release_data(bh); + brelse(epos.bh); if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_VARCONV)) return udf_fixed_to_variable(ret); diff -urN kernel-source-2.6.18.orig/fs/udf/misc.c kernel-source-2.6.18/fs/udf/misc.c --- kernel-source-2.6.18.orig/fs/udf/misc.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/misc.c 2007-08-14 03:26:08 +0300 @@ -274,12 +274,6 @@ loc.logicalBlockNum + offset, ident); } -void udf_release_data(struct buffer_head *bh) -{ - if (bh) - brelse(bh); -} - void udf_update_tag(char *data, int length) { tag *tptr = (tag *)data; diff -urN kernel-source-2.6.18.orig/fs/udf/namei.c kernel-source-2.6.18/fs/udf/namei.c --- kernel-source-2.6.18.orig/fs/udf/namei.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/namei.c 2007-08-14 03:26:08 +0300 @@ -30,6 +30,7 @@ #include #include #include +#include static inline int udf_match(int len1, const char *name1, int len2, const char *name2) { @@ -155,9 +156,10 @@ uint8_t lfi; uint16_t liu; loff_t size; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; size = (udf_ext0_offset(dir) + dir->i_size) >> 2; f_pos = (udf_ext0_offset(dir) >> 2); @@ -166,42 +168,41 @@ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh->sbh = fibh->ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return NULL; } } else { - udf_release_data(bh); + brelse(epos.bh); return NULL; } while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); return NULL; } @@ -247,15 +248,15 @@ { if (udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { - udf_release_data(bh); + brelse(epos.bh); return fi; } } } if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); return NULL; } @@ -321,8 +322,8 @@ if (udf_find_entry(dir, dentry, &fibh, &cfi)) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); inode = udf_iget(dir->i_sb, lelb_to_cpu(cfi.icb.extLocation)); if ( !inode ) @@ -353,9 +354,10 @@ uint8_t lfi; uint16_t liu; int block; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0 }}; sb = dir->i_sb; @@ -384,23 +386,22 @@ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh->sbh = fibh->ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh->sbh = fibh->ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); *err = -EIO; return NULL; } @@ -418,14 +419,14 @@ while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, fibh, cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); *err = -EIO; return NULL; } @@ -455,7 +456,7 @@ { if (((sizeof(struct fileIdentDesc) + liu + lfi + 3) & ~3) == nfidlen) { - udf_release_data(bh); + brelse(epos.bh); cfi->descTag.tagSerialNum = cpu_to_le16(1); cfi->fileVersionNum = cpu_to_le16(1); cfi->fileCharacteristics = 0; @@ -478,9 +479,9 @@ udf_match(flen, fname, dentry->d_name.len, dentry->d_name.name)) { if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); - udf_release_data(bh); + brelse(fibh->ebh); + brelse(fibh->sbh); + brelse(epos.bh); *err = -EEXIST; return NULL; } @@ -492,25 +493,25 @@ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB && sb->s_blocksize - fibh->eoffset < nfidlen) { - udf_release_data(bh); - bh = NULL; + brelse(epos.bh); + epos.bh = NULL; fibh->soffset -= udf_ext0_offset(dir); fibh->eoffset -= udf_ext0_offset(dir); f_pos -= (udf_ext0_offset(dir) >> 2); if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); + brelse(fibh->ebh); + brelse(fibh->sbh); if (!(fibh->sbh = fibh->ebh = udf_expand_dir_adinicb(dir, &block, err))) return NULL; - bloc = UDF_I_LOCATION(dir); + epos.block = UDF_I_LOCATION(dir); eloc.logicalBlockNum = block; eloc.partitionReferenceNum = UDF_I_LOCATION(dir).partitionReferenceNum; elen = dir->i_sb->s_blocksize; - extoffset = udf_file_entry_alloc_offset(dir); + epos.offset = udf_file_entry_alloc_offset(dir); if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset += sizeof(short_ad); + epos.offset += sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset += sizeof(long_ad); + epos.offset += sizeof(long_ad); } if (sb->s_blocksize - fibh->eoffset >= nfidlen) @@ -519,7 +520,7 @@ fibh->eoffset += nfidlen; if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -541,7 +542,7 @@ fibh->eoffset += nfidlen - sb->s_blocksize; if (fibh->sbh != fibh->ebh) { - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; } @@ -550,14 +551,14 @@ if (!(fibh->ebh = udf_bread(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), 1, err))) { - udf_release_data(bh); - udf_release_data(fibh->sbh); + brelse(epos.bh); + brelse(fibh->sbh); return NULL; } if (!(fibh->soffset)) { - if (udf_next_aext(dir, &bloc, &extoffset, &eloc, &elen, &bh, 1) == + if (udf_next_aext(dir, &epos, &eloc, &elen, 1) == (EXT_RECORDED_ALLOCATED >> 30)) { block = eloc.logicalBlockNum + ((elen - 1) >> @@ -566,7 +567,7 @@ else block ++; - udf_release_data(fibh->sbh); + brelse(fibh->sbh); fibh->sbh = fibh->ebh; fi = (struct fileIdentDesc *)(fibh->sbh->b_data); } @@ -587,7 +588,7 @@ cfi->lengthOfImpUse = cpu_to_le16(0); if (!udf_write_fi(dir, cfi, fi, fibh, NULL, name)) { - udf_release_data(bh); + brelse(epos.bh); dir->i_size += nfidlen; if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) UDF_I_LENALLOC(dir) += nfidlen; @@ -596,10 +597,10 @@ } else { - udf_release_data(bh); + brelse(epos.bh); if (fibh->sbh != fibh->ebh) - udf_release_data(fibh->ebh); - udf_release_data(fibh->sbh); + brelse(fibh->ebh); + brelse(fibh->sbh); *err = -EIO; return NULL; } @@ -656,8 +657,8 @@ mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); unlock_kernel(); d_instantiate(dentry, inode); return 0; @@ -701,8 +702,8 @@ mark_inode_dirty(inode); if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; out: @@ -743,7 +744,7 @@ cpu_to_le32(UDF_I_UNIQUE(dir) & 0x00000000FFFFFFFFUL); cfi.fileCharacteristics = FID_FILE_CHAR_DIRECTORY | FID_FILE_CHAR_PARENT; udf_write_fi(inode, &cfi, fi, &fibh, NULL, NULL); - udf_release_data(fibh.sbh); + brelse(fibh.sbh); inode->i_mode = S_IFDIR | mode; if (dir->i_mode & S_ISGID) inode->i_mode |= S_ISGID; @@ -766,8 +767,8 @@ mark_inode_dirty(dir); d_instantiate(dentry, inode); if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); err = 0; out: unlock_kernel(); @@ -781,9 +782,10 @@ loff_t f_pos; loff_t size = (udf_ext0_offset(dir) + dir->i_size) >> 2; int block; - kernel_lb_addr bloc, eloc; - uint32_t extoffset, elen, offset; - struct buffer_head *bh = NULL; + kernel_lb_addr eloc; + uint32_t elen; + sector_t offset; + struct extent_position epos = { NULL, 0, { 0, 0}}; f_pos = (udf_ext0_offset(dir) >> 2); @@ -792,59 +794,58 @@ if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_IN_ICB) fibh.sbh = fibh.ebh = NULL; else if (inode_bmap(dir, f_pos >> (dir->i_sb->s_blocksize_bits - 2), - &bloc, &extoffset, &eloc, &elen, &offset, &bh) == (EXT_RECORDED_ALLOCATED >> 30)) + &epos, &eloc, &elen, &offset) == (EXT_RECORDED_ALLOCATED >> 30)) { - offset >>= dir->i_sb->s_blocksize_bits; block = udf_get_lb_pblock(dir->i_sb, eloc, offset); if ((++offset << dir->i_sb->s_blocksize_bits) < elen) { if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_SHORT) - extoffset -= sizeof(short_ad); + epos.offset -= sizeof(short_ad); else if (UDF_I_ALLOCTYPE(dir) == ICBTAG_FLAG_AD_LONG) - extoffset -= sizeof(long_ad); + epos.offset -= sizeof(long_ad); } else offset = 0; if (!(fibh.sbh = fibh.ebh = udf_tread(dir->i_sb, block))) { - udf_release_data(bh); + brelse(epos.bh); return 0; } } else { - udf_release_data(bh); + brelse(epos.bh); return 0; } while ( (f_pos < size) ) { - fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &bloc, &extoffset, &eloc, &elen, &offset, &bh); + fi = udf_fileident_read(dir, &f_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } if (cfi.lengthFileIdent && (cfi.fileCharacteristics & FID_FILE_CHAR_DELETED) == 0) { if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 0; } } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); - udf_release_data(bh); + brelse(fibh.ebh); + brelse(fibh.sbh); + brelse(epos.bh); return 1; } @@ -878,15 +879,14 @@ inode->i_nlink); inode->i_nlink = 0; inode->i_size = 0; - mark_inode_dirty(inode); - dir->i_nlink --; + inode_dec_link_count(dir); inode->i_ctime = dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); end_rmdir: if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); out: unlock_kernel(); return retval; @@ -923,15 +923,14 @@ goto end_unlink; dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); mark_inode_dirty(dir); - inode->i_nlink--; - mark_inode_dirty(inode); + inode_dec_link_count(inode); inode->i_ctime = dir->i_ctime; retval = 0; end_unlink: if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); out: unlock_kernel(); return retval; @@ -943,7 +942,7 @@ struct pathComponent *pc; char *compstart; struct udf_fileident_bh fibh; - struct buffer_head *bh = NULL; + struct extent_position epos = { NULL, 0, {0, 0}}; int eoffset, elen = 0; struct fileIdentDesc *fi; struct fileIdentDesc cfi; @@ -963,33 +962,33 @@ if (UDF_I_ALLOCTYPE(inode) != ICBTAG_FLAG_AD_IN_ICB) { - struct buffer_head *bh = NULL; - kernel_lb_addr bloc, eloc; - uint32_t elen, extoffset; + kernel_lb_addr eloc; + uint32_t elen; block = udf_new_block(inode->i_sb, inode, UDF_I_LOCATION(inode).partitionReferenceNum, UDF_I_LOCATION(inode).logicalBlockNum, &err); if (!block) goto out_no_entry; - bloc = UDF_I_LOCATION(inode); + epos.block = UDF_I_LOCATION(inode); + epos.offset = udf_file_entry_alloc_offset(inode); + epos.bh = NULL; eloc.logicalBlockNum = block; eloc.partitionReferenceNum = UDF_I_LOCATION(inode).partitionReferenceNum; elen = inode->i_sb->s_blocksize; UDF_I_LENEXTENTS(inode) = elen; - extoffset = udf_file_entry_alloc_offset(inode); - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 0); - udf_release_data(bh); + udf_add_aext(inode, &epos, eloc, elen, 0); + brelse(epos.bh); block = udf_get_pblock(inode->i_sb, block, UDF_I_LOCATION(inode).partitionReferenceNum, 0); - bh = udf_tread(inode->i_sb, block); - lock_buffer(bh); - memset(bh->b_data, 0x00, inode->i_sb->s_blocksize); - set_buffer_uptodate(bh); - unlock_buffer(bh); - mark_buffer_dirty_inode(bh, inode); - ea = bh->b_data + udf_ext0_offset(inode); + epos.bh = udf_tread(inode->i_sb, block); + lock_buffer(epos.bh); + memset(epos.bh->b_data, 0x00, inode->i_sb->s_blocksize); + set_buffer_uptodate(epos.bh); + unlock_buffer(epos.bh); + mark_buffer_dirty_inode(epos.bh, inode); + ea = epos.bh->b_data + udf_ext0_offset(inode); } else ea = UDF_I_DATA(inode) + UDF_I_LENEATTR(inode); @@ -1062,7 +1061,7 @@ } } - udf_release_data(bh); + brelse(epos.bh); inode->i_size = elen; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB) UDF_I_LENALLOC(inode) = inode->i_size; @@ -1091,8 +1090,8 @@ mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); d_instantiate(dentry, inode); err = 0; @@ -1101,8 +1100,7 @@ return err; out_no_entry: - inode->i_nlink--; - mark_inode_dirty(inode); + inode_dec_link_count(inode); iput(inode); goto out; } @@ -1148,8 +1146,8 @@ mark_inode_dirty(dir); } if (fibh.sbh != fibh.ebh) - udf_release_data(fibh.ebh); - udf_release_data(fibh.sbh); + brelse(fibh.ebh); + brelse(fibh.sbh); inode->i_nlink ++; inode->i_ctime = current_fs_time(inode->i_sb); mark_inode_dirty(inode); @@ -1177,8 +1175,8 @@ if ((ofi = udf_find_entry(old_dir, old_dentry, &ofibh, &ocfi))) { if (ofibh.sbh != ofibh.ebh) - udf_release_data(ofibh.ebh); - udf_release_data(ofibh.sbh); + brelse(ofibh.ebh); + brelse(ofibh.sbh); } tloc = lelb_to_cpu(ocfi.icb.extLocation); if (!ofi || udf_get_lb_pblock(old_dir->i_sb, tloc, 0) @@ -1191,8 +1189,8 @@ if (!new_inode) { if (nfibh.sbh != nfibh.ebh) - udf_release_data(nfibh.ebh); - udf_release_data(nfibh.sbh); + brelse(nfibh.ebh); + brelse(nfibh.sbh); nfi = NULL; } } @@ -1261,9 +1259,8 @@ if (new_inode) { - new_inode->i_nlink--; new_inode->i_ctime = current_fs_time(new_inode->i_sb); - mark_inode_dirty(new_inode); + inode_dec_link_count(new_inode); } old_dir->i_ctime = old_dir->i_mtime = current_fs_time(old_dir->i_sb); mark_inode_dirty(old_dir); @@ -1279,12 +1276,10 @@ } else mark_buffer_dirty_inode(dir_bh, old_inode); - old_dir->i_nlink --; - mark_inode_dirty(old_dir); + inode_dec_link_count(old_dir); if (new_inode) { - new_inode->i_nlink --; - mark_inode_dirty(new_inode); + inode_dec_link_count(new_inode); } else { @@ -1296,25 +1291,25 @@ if (ofi) { if (ofibh.sbh != ofibh.ebh) - udf_release_data(ofibh.ebh); - udf_release_data(ofibh.sbh); + brelse(ofibh.ebh); + brelse(ofibh.sbh); } retval = 0; end_rename: - udf_release_data(dir_bh); + brelse(dir_bh); if (nfi) { if (nfibh.sbh != nfibh.ebh) - udf_release_data(nfibh.ebh); - udf_release_data(nfibh.sbh); + brelse(nfibh.ebh); + brelse(nfibh.sbh); } unlock_kernel(); return retval; } -struct inode_operations udf_dir_inode_operations = { +const struct inode_operations udf_dir_inode_operations = { .lookup = udf_lookup, .create = udf_create, .link = udf_link, diff -urN kernel-source-2.6.18.orig/fs/udf/partition.c kernel-source-2.6.18/fs/udf/partition.c --- kernel-source-2.6.18.orig/fs/udf/partition.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/partition.c 2007-08-14 03:26:08 +0300 @@ -81,7 +81,7 @@ loc = le32_to_cpu(((__le32 *)bh->b_data)[index]); - udf_release_data(bh); + brelse(bh); if (UDF_I_LOCATION(UDF_SB_VAT(sb)).partitionReferenceNum == partition) { diff -urN kernel-source-2.6.18.orig/fs/udf/super.c kernel-source-2.6.18/fs/udf/super.c --- kernel-source-2.6.18.orig/fs/udf/super.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/super.c 2007-08-14 03:26:08 +0300 @@ -107,12 +107,12 @@ .fs_flags = FS_REQUIRES_DEV, }; -static kmem_cache_t * udf_inode_cachep; +static struct kmem_cache * udf_inode_cachep; static struct inode *udf_alloc_inode(struct super_block *sb) { struct udf_inode_info *ei; - ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, SLAB_KERNEL); + ei = (struct udf_inode_info *)kmem_cache_alloc(udf_inode_cachep, GFP_KERNEL); if (!ei) return NULL; @@ -130,16 +130,12 @@ kmem_cache_free(udf_inode_cachep, UDF_I(inode)); } -static void init_once(void * foo, kmem_cache_t * cachep, unsigned long flags) +static void init_once(void * foo, struct kmem_cache * cachep, unsigned long flags) { struct udf_inode_info *ei = (struct udf_inode_info *) foo; - if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) == - SLAB_CTOR_CONSTRUCTOR) - { - ei->i_ext.i_data = NULL; - inode_init_once(&ei->vfs_inode); - } + ei->i_ext.i_data = NULL; + inode_init_once(&ei->vfs_inode); } static int init_inodecache(void) @@ -156,12 +152,11 @@ static void destroy_inodecache(void) { - if (kmem_cache_destroy(udf_inode_cachep)) - printk(KERN_INFO "udf_inode_cache: not all structures were freed\n"); + kmem_cache_destroy(udf_inode_cachep); } /* Superblock operations */ -static struct super_operations udf_sb_ops = { +static const struct super_operations udf_sb_ops = { .alloc_inode = udf_alloc_inode, .destroy_inode = udf_destroy_inode, .write_inode = udf_write_inode, @@ -566,7 +561,7 @@ if (vsd->stdIdent[0] == 0) { - udf_release_data(bh); + brelse(bh); break; } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_CD001, VSD_STD_ID_LEN)) @@ -599,7 +594,7 @@ } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_TEA01, VSD_STD_ID_LEN)) { - udf_release_data(bh); + brelse(bh); break; } else if (!strncmp(vsd->stdIdent, VSD_STD_ID_NSR02, VSD_STD_ID_LEN)) @@ -610,7 +605,7 @@ { nsr03 = sector; } - udf_release_data(bh); + brelse(bh); } if (nsr03) @@ -676,7 +671,7 @@ { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP) @@ -711,7 +706,7 @@ { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP && @@ -730,7 +725,7 @@ { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); } if (ident == TAG_IDENT_AVDP && @@ -752,7 +747,7 @@ { ident = le16_to_cpu(((tag *)bh->b_data)->tagIdent); location = le32_to_cpu(((tag *)bh->b_data)->tagLocation); - udf_release_data(bh); + brelse(bh); if (ident == TAG_IDENT_AVDP && location == 256) UDF_SET_FLAG(sb, UDF_FLAG_VARCONV); @@ -769,7 +764,7 @@ } else { - udf_release_data(bh); + brelse(bh); if ((ident != TAG_IDENT_AVDP) && (i || (ident != TAG_IDENT_FE && ident != TAG_IDENT_EFE))) { @@ -798,7 +793,7 @@ return 1; else if (ident != TAG_IDENT_FSD) { - udf_release_data(bh); + brelse(bh); return 1; } @@ -837,7 +832,7 @@ newfileset.logicalBlockNum += 1 + ((le32_to_cpu(sp->numOfBytes) + sizeof(struct spaceBitmapDesc) - 1) >> sb->s_blocksize_bits); - udf_release_data(bh); + brelse(bh); break; } case TAG_IDENT_FSD: @@ -848,7 +843,7 @@ default: { newfileset.logicalBlockNum ++; - udf_release_data(bh); + brelse(bh); bh = NULL; break; } @@ -868,7 +863,7 @@ UDF_SB_PARTITION(sb) = fileset->partitionReferenceNum; udf_load_fileset(sb, bh, root); - udf_release_data(bh); + brelse(bh); return 0; } return 1; @@ -1086,7 +1081,7 @@ if (ident != 0 || strncmp(st->sparingIdent.ident, UDF_ID_SPARING, strlen(UDF_ID_SPARING))) { - udf_release_data(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); + brelse(UDF_SB_TYPESPAR(sb,i).s_spar_map[j]); UDF_SB_TYPESPAR(sb,i).s_spar_map[j] = NULL; } } @@ -1140,12 +1135,12 @@ udf_load_logicalvolint(sb, leea_to_cpu(UDF_SB_LVID(sb)->nextIntegrityExt)); if (UDF_SB_LVIDBH(sb) != bh) - udf_release_data(bh); + brelse(bh); loc.extLength -= sb->s_blocksize; loc.extLocation ++; } if (UDF_SB_LVIDBH(sb) != bh) - udf_release_data(bh); + brelse(bh); } /* @@ -1248,7 +1243,7 @@ done = 1; break; } - udf_release_data(bh); + brelse(bh); } for (i=0; ib_data; if (ident == TAG_IDENT_PD) udf_load_partdesc(sb, bh2); - udf_release_data(bh2); + brelse(bh2); } } - udf_release_data(bh); + brelse(bh); } } @@ -1336,7 +1331,7 @@ reserve_e = reserve_e >> sb->s_blocksize_bits; reserve_e += reserve_s; - udf_release_data(bh); + brelse(bh); /* Process the main & reserve sequences */ /* responsible for finding the PartitionDesc(s) */ @@ -1356,7 +1351,7 @@ for (i=0; ib_data + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) + udf_ext0_offset(UDF_SB_VAT(sb)); UDF_SB_TYPEVIRT(sb,i).s_num_entries = (UDF_SB_VAT(sb)->i_size - UDF_SB_TYPEVIRT(sb,i).s_start_offset) >> 2; - udf_release_data(bh); + brelse(bh); } UDF_SB_PARTROOT(sb,i) = udf_get_pblock(sb, 0, i, 0); UDF_SB_PARTLEN(sb,i) = UDF_SB_PARTLEN(sb,ino.partitionReferenceNum); @@ -1622,6 +1619,11 @@ goto error_out; } + if (UDF_SB_PARTFLAGS(sb, UDF_SB_PARTITION(sb)) & UDF_PART_FLAG_READ_ONLY) { + printk("UDF-fs: Partition marked readonly; forcing readonly mount\n"); + sb->s_flags |= MS_RDONLY; + } + if ( udf_find_fileset(sb, &fileset, &rootdir) ) { printk("UDF-fs: No fileset found\n"); @@ -1659,7 +1661,7 @@ iput(inode); goto error_out; } - sb->s_maxbytes = 1<<30; + sb->s_maxbytes = MAX_LFS_FILESIZE; return 0; error_out: @@ -1678,7 +1680,7 @@ if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i=0; i<4; i++) - udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1687,7 +1689,7 @@ #endif if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); - udf_release_data(UDF_SB_LVIDBH(sb)); + brelse(UDF_SB_LVIDBH(sb)); UDF_SB_FREE(sb); kfree(sbi); sb->s_fs_info = NULL; @@ -1705,7 +1707,7 @@ sb->s_dirt = 1; } va_start(args, fmt); - vsprintf(error_buf, fmt, args); + vsnprintf(error_buf, sizeof(error_buf), fmt, args); va_end(args); printk (KERN_CRIT "UDF-fs error (device %s): %s: %s\n", sb->s_id, function, error_buf); @@ -1717,7 +1719,7 @@ va_list args; va_start (args, fmt); - vsprintf(error_buf, fmt, args); + vsnprintf(error_buf, sizeof(error_buf), fmt, args); va_end(args); printk(KERN_WARNING "UDF-fs warning (device %s): %s: %s\n", sb->s_id, function, error_buf); @@ -1756,7 +1758,7 @@ if (UDF_SB_PARTTYPE(sb, UDF_SB_PARTITION(sb)) == UDF_SPARABLE_MAP15) { for (i=0; i<4; i++) - udf_release_data(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); + brelse(UDF_SB_TYPESPAR(sb, UDF_SB_PARTITION(sb)).s_spar_map[i]); } } #ifdef CONFIG_UDF_NLS @@ -1765,7 +1767,7 @@ #endif if (!(sb->s_flags & MS_RDONLY)) udf_close_lvid(sb); - udf_release_data(UDF_SB_LVIDBH(sb)); + brelse(UDF_SB_LVIDBH(sb)); UDF_SB_FREE(sb); kfree(sb->s_fs_info); sb->s_fs_info = NULL; @@ -1835,7 +1837,7 @@ } else if (ident != TAG_IDENT_SBD) { - udf_release_data(bh); + brelse(bh); printk(KERN_ERR "udf: udf_count_free failed\n"); goto out; } @@ -1857,7 +1859,7 @@ } if ( bytes ) { - udf_release_data(bh); + brelse(bh); newblock = udf_get_lb_pblock(sb, loc, ++block); bh = udf_tread(sb, newblock); if (!bh) @@ -1869,7 +1871,7 @@ ptr = (uint8_t *)bh->b_data; } } - udf_release_data(bh); + brelse(bh); out: unlock_kernel(); @@ -1881,21 +1883,20 @@ udf_count_free_table(struct super_block *sb, struct inode * table) { unsigned int accum = 0; - uint32_t extoffset, elen; - kernel_lb_addr bloc, eloc; + uint32_t elen; + kernel_lb_addr eloc; int8_t etype; - struct buffer_head *bh = NULL; + struct extent_position epos; lock_kernel(); - bloc = UDF_I_LOCATION(table); - extoffset = sizeof(struct unallocSpaceEntry); + epos.block = UDF_I_LOCATION(table); + epos.offset = sizeof(struct unallocSpaceEntry); + epos.bh = NULL; - while ((etype = udf_next_aext(table, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) - { + while ((etype = udf_next_aext(table, &epos, &eloc, &elen, 1)) != -1) accum += (elen >> table->i_sb->s_blocksize_bits); - } - udf_release_data(bh); + brelse(epos.bh); unlock_kernel(); diff -urN kernel-source-2.6.18.orig/fs/udf/symlink.c kernel-source-2.6.18/fs/udf/symlink.c --- kernel-source-2.6.18.orig/fs/udf/symlink.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/symlink.c 2007-08-14 03:26:08 +0300 @@ -95,7 +95,7 @@ } udf_pc_to_char(inode->i_sb, symlink, inode->i_size, p); - udf_release_data(bh); + brelse(bh); unlock_kernel(); SetPageUptodate(page); diff -urN kernel-source-2.6.18.orig/fs/udf/truncate.c kernel-source-2.6.18/fs/udf/truncate.c --- kernel-source-2.6.18.orig/fs/udf/truncate.c 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/truncate.c 2007-08-14 03:26:08 +0300 @@ -28,8 +28,8 @@ #include "udf_i.h" #include "udf_sb.h" -static void extent_trunc(struct inode * inode, kernel_lb_addr bloc, int extoffset, - kernel_lb_addr eloc, int8_t etype, uint32_t elen, struct buffer_head *bh, uint32_t nelen) +static void extent_trunc(struct inode * inode, struct extent_position *epos, + kernel_lb_addr eloc, int8_t etype, uint32_t elen, uint32_t nelen) { kernel_lb_addr neloc = { 0, 0 }; int last_block = (elen + inode->i_sb->s_blocksize - 1) >> inode->i_sb->s_blocksize_bits; @@ -49,7 +49,7 @@ if (elen != nelen) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 0); + udf_write_aext(inode, epos, neloc, nelen, 0); if (last_block - first_block > 0) { if (etype == (EXT_RECORDED_ALLOCATED >> 30)) @@ -61,74 +61,125 @@ } } -void udf_discard_prealloc(struct inode * inode) +/* + * Truncate the last extent to match i_size. This function assumes + * that preallocation extent is already truncated. + */ +void udf_truncate_tail_extent(struct inode *inode) { - kernel_lb_addr bloc, eloc; - uint32_t extoffset = 0, elen, nelen; + struct extent_position epos = { NULL, 0, {0, 0}}; + kernel_lb_addr eloc; + uint32_t elen, nelen; uint64_t lbcount = 0; int8_t etype = -1, netype; - struct buffer_head *bh = NULL; int adsize; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB || - inode->i_size == UDF_I_LENEXTENTS(inode)) - { + inode->i_size == UDF_I_LENEXTENTS(inode)) + return; + /* Are we going to delete the file anyway? */ + if (inode->i_nlink == 0) return; - } if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) adsize = sizeof(short_ad); else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) adsize = sizeof(long_ad); else - adsize = 0; - - bloc = UDF_I_LOCATION(inode); + BUG(); - while ((netype = udf_next_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 1)) != -1) + /* Find the last extent in the file */ + while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { etype = netype; lbcount += elen; - if (lbcount > inode->i_size && lbcount - inode->i_size < inode->i_sb->s_blocksize) - { + if (lbcount > inode->i_size) { + if (lbcount - inode->i_size >= inode->i_sb->s_blocksize) + printk(KERN_WARNING + "udf_truncate_tail_extent(): Too long " + "extent after EOF in inode %u: i_size: " + "%Ld lbcount: %Ld extent %u+%u\n", + (unsigned)inode->i_ino, + (long long)inode->i_size, + (long long)lbcount, + (unsigned)eloc.logicalBlockNum, + (unsigned)elen); nelen = elen - (lbcount - inode->i_size); - extent_trunc(inode, bloc, extoffset-adsize, eloc, etype, elen, bh, nelen); - lbcount = inode->i_size; + epos.offset -= adsize; + extent_trunc(inode, &epos, eloc, etype, elen, nelen); + epos.offset += adsize; + if (udf_next_aext(inode, &epos, &eloc, &elen, 1) != -1) + printk(KERN_ERR "udf_truncate_tail_extent(): " + "Extent after EOF in inode %u.\n", + (unsigned)inode->i_ino); + break; } } - if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - { - extoffset -= adsize; + /* This inode entry is in-memory only and thus we don't have to mark + * the inode dirty */ + UDF_I_LENEXTENTS(inode) = inode->i_size; + brelse(epos.bh); +} + +void udf_discard_prealloc(struct inode *inode) +{ + struct extent_position epos = { NULL, 0, {0, 0}}; + kernel_lb_addr eloc; + uint32_t elen; + uint64_t lbcount = 0; + int8_t etype = -1, netype; + int adsize; + + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_IN_ICB || + inode->i_size == UDF_I_LENEXTENTS(inode)) + return; + + if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) + adsize = sizeof(short_ad); + else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) + adsize = sizeof(long_ad); + else + adsize = 0; + + epos.block = UDF_I_LOCATION(inode); + + /* Find the last extent in the file */ + while ((netype = udf_next_aext(inode, &epos, &eloc, &elen, 1)) != -1) { + etype = netype; + lbcount += elen; + } + if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) { + epos.offset -= adsize; lbcount -= elen; - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, 0); - if (!bh) - { - UDF_I_LENALLOC(inode) = extoffset - udf_file_entry_alloc_offset(inode); + extent_trunc(inode, &epos, eloc, etype, elen, 0); + if (!epos.bh) { + UDF_I_LENALLOC(inode) = epos.offset - udf_file_entry_alloc_offset(inode); mark_inode_dirty(inode); - } - else - { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); - aed->lengthAllocDescs = cpu_to_le32(extoffset - sizeof(struct allocExtDesc)); + } else { + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); + aed->lengthAllocDescs = cpu_to_le32(epos.offset - sizeof(struct allocExtDesc)); if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, extoffset); + udf_update_tag(epos.bh->b_data, epos.offset); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } + /* This inode entry is in-memory only and thus we don't have to mark + * the inode dirty */ UDF_I_LENEXTENTS(inode) = lbcount; - - udf_release_data(bh); + brelse(epos.bh); } void udf_truncate_extents(struct inode * inode) { - kernel_lb_addr bloc, eloc, neloc = { 0, 0 }; - uint32_t extoffset, elen, offset, nelen = 0, lelen = 0, lenalloc; + struct extent_position epos; + kernel_lb_addr eloc, neloc = { 0, 0 }; + uint32_t elen, nelen = 0, indirect_ext_len = 0, lenalloc; int8_t etype; - int first_block = inode->i_size >> inode->i_sb->s_blocksize_bits; - struct buffer_head *bh = NULL; + struct super_block *sb = inode->i_sb; + sector_t first_block = inode->i_size >> sb->s_blocksize_bits, offset; + loff_t byte_offset; int adsize; if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_SHORT) @@ -136,158 +187,130 @@ else if (UDF_I_ALLOCTYPE(inode) == ICBTAG_FLAG_AD_LONG) adsize = sizeof(long_ad); else - adsize = 0; + BUG(); - etype = inode_bmap(inode, first_block, &bloc, &extoffset, &eloc, &elen, &offset, &bh); - offset += (inode->i_size & (inode->i_sb->s_blocksize - 1)); + etype = inode_bmap(inode, first_block, &epos, &eloc, &elen, &offset); + byte_offset = (offset << sb->s_blocksize_bits) + (inode->i_size & (sb->s_blocksize-1)); if (etype != -1) { - extoffset -= adsize; - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, offset); - extoffset += adsize; - - if (offset) - lenalloc = extoffset; + epos.offset -= adsize; + extent_trunc(inode, &epos, eloc, etype, elen, byte_offset); + epos.offset += adsize; + if (byte_offset) + lenalloc = epos.offset; else - lenalloc = extoffset - adsize; + lenalloc = epos.offset - adsize; - if (!bh) + if (!epos.bh) lenalloc -= udf_file_entry_alloc_offset(inode); else lenalloc -= sizeof(struct allocExtDesc); - while ((etype = udf_current_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 0)) != -1) + while ((etype = udf_current_aext(inode, &epos, &eloc, &elen, 0)) != -1) { if (etype == (EXT_NEXT_EXTENT_ALLOCDECS >> 30)) { - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 0); - extoffset = 0; - if (lelen) + udf_write_aext(inode, &epos, neloc, nelen, 0); + if (indirect_ext_len) { - if (!bh) + /* We managed to free all extents in the + * indirect extent - free it too */ + if (!epos.bh) BUG(); - else - memset(bh->b_data, 0x00, sizeof(struct allocExtDesc)); - udf_free_blocks(inode->i_sb, inode, bloc, 0, lelen); + udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len); } else { - if (!bh) + if (!epos.bh) { UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, lenalloc + + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, lenalloc + sizeof(struct allocExtDesc)); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } - - udf_release_data(bh); - extoffset = sizeof(struct allocExtDesc); - bloc = eloc; - bh = udf_tread(inode->i_sb, udf_get_lb_pblock(inode->i_sb, bloc, 0)); + brelse(epos.bh); + epos.offset = sizeof(struct allocExtDesc); + epos.block = eloc; + epos.bh = udf_tread(sb, udf_get_lb_pblock(sb, eloc, 0)); if (elen) - lelen = (elen + inode->i_sb->s_blocksize - 1) >> - inode->i_sb->s_blocksize_bits; + indirect_ext_len = (elen + + sb->s_blocksize - 1) >> + sb->s_blocksize_bits; else - lelen = 1; + indirect_ext_len = 1; } else { - extent_trunc(inode, bloc, extoffset, eloc, etype, elen, bh, 0); - extoffset += adsize; + extent_trunc(inode, &epos, eloc, etype, elen, 0); + epos.offset += adsize; } } - if (lelen) + if (indirect_ext_len) { - if (!bh) + if (!epos.bh) BUG(); - else - memset(bh->b_data, 0x00, sizeof(struct allocExtDesc)); - udf_free_blocks(inode->i_sb, inode, bloc, 0, lelen); + udf_free_blocks(sb, inode, epos.block, 0, indirect_ext_len); } else { - if (!bh) + if (!epos.bh) { UDF_I_LENALLOC(inode) = lenalloc; mark_inode_dirty(inode); } else { - struct allocExtDesc *aed = (struct allocExtDesc *)(bh->b_data); + struct allocExtDesc *aed = (struct allocExtDesc *)(epos.bh->b_data); aed->lengthAllocDescs = cpu_to_le32(lenalloc); - if (!UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(inode->i_sb) >= 0x0201) - udf_update_tag(bh->b_data, lenalloc + + if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT) || UDF_SB_UDFREV(sb) >= 0x0201) + udf_update_tag(epos.bh->b_data, lenalloc + sizeof(struct allocExtDesc)); else - udf_update_tag(bh->b_data, sizeof(struct allocExtDesc)); - mark_buffer_dirty_inode(bh, inode); + udf_update_tag(epos.bh->b_data, sizeof(struct allocExtDesc)); + mark_buffer_dirty_inode(epos.bh, inode); } } } else if (inode->i_size) { - if (offset) + if (byte_offset) { + kernel_long_ad extent; + /* * OK, there is not extent covering inode->i_size and * no extent above inode->i_size => truncate is - * extending the file by 'offset'. + * extending the file by 'offset' blocks. */ - if ((!bh && extoffset == udf_file_entry_alloc_offset(inode)) || - (bh && extoffset == sizeof(struct allocExtDesc))) { - /* File has no extents at all! */ - memset(&eloc, 0x00, sizeof(kernel_lb_addr)); - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | offset; - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 1); + if ((!epos.bh && epos.offset == udf_file_entry_alloc_offset(inode)) || + (epos.bh && epos.offset == sizeof(struct allocExtDesc))) { + /* File has no extents at all or has empty last + * indirect extent! Create a fake extent... */ + extent.extLocation.logicalBlockNum = 0; + extent.extLocation.partitionReferenceNum = 0; + extent.extLength = EXT_NOT_RECORDED_NOT_ALLOCATED; } else { - extoffset -= adsize; - etype = udf_next_aext(inode, &bloc, &extoffset, &eloc, &elen, &bh, 1); - if (etype == (EXT_NOT_RECORDED_NOT_ALLOCATED >> 30)) - { - extoffset -= adsize; - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | (elen + offset); - udf_write_aext(inode, bloc, &extoffset, eloc, elen, bh, 0); - } - else if (etype == (EXT_NOT_RECORDED_ALLOCATED >> 30)) - { - kernel_lb_addr neloc = { 0, 0 }; - extoffset -= adsize; - nelen = EXT_NOT_RECORDED_NOT_ALLOCATED | - ((elen + offset + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - udf_write_aext(inode, bloc, &extoffset, neloc, nelen, bh, 1); - udf_add_aext(inode, &bloc, &extoffset, eloc, (etype << 30) | elen, &bh, 1); - } - else - { - if (elen & (inode->i_sb->s_blocksize - 1)) - { - extoffset -= adsize; - elen = EXT_RECORDED_ALLOCATED | - ((elen + inode->i_sb->s_blocksize - 1) & - ~(inode->i_sb->s_blocksize - 1)); - udf_write_aext(inode, bloc, &extoffset, eloc, elen, bh, 1); - } - memset(&eloc, 0x00, sizeof(kernel_lb_addr)); - elen = EXT_NOT_RECORDED_NOT_ALLOCATED | offset; - udf_add_aext(inode, &bloc, &extoffset, eloc, elen, &bh, 1); - } + epos.offset -= adsize; + etype = udf_next_aext(inode, &epos, + &extent.extLocation, &extent.extLength, 0); + extent.extLength |= etype << 30; } + udf_extend_file(inode, &epos, &extent, offset+((inode->i_size & (sb->s_blocksize-1)) != 0)); } } UDF_I_LENEXTENTS(inode) = inode->i_size; - udf_release_data(bh); + brelse(epos.bh); } diff -urN kernel-source-2.6.18.orig/fs/udf/udfdecl.h kernel-source-2.6.18/fs/udf/udfdecl.h --- kernel-source-2.6.18.orig/fs/udf/udfdecl.h 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/udfdecl.h 2007-08-14 03:26:08 +0300 @@ -42,9 +42,9 @@ struct buffer_head; struct super_block; -extern struct inode_operations udf_dir_inode_operations; +extern const struct inode_operations udf_dir_inode_operations; extern const struct file_operations udf_dir_operations; -extern struct inode_operations udf_file_inode_operations; +extern const struct inode_operations udf_file_inode_operations; extern const struct file_operations udf_file_operations; extern const struct address_space_operations udf_aops; extern const struct address_space_operations udf_adinicb_aops; @@ -77,6 +77,13 @@ uint8_t u_len; }; +struct extent_position { + struct buffer_head *bh; + uint32_t offset; + kernel_lb_addr block; +}; + + /* super.c */ extern void udf_error(struct super_block *, const char *, const char *, ...); extern void udf_warning(struct super_block *, const char *, const char *, ...); @@ -98,13 +105,14 @@ extern void udf_delete_inode(struct inode *); extern void udf_clear_inode(struct inode *); extern int udf_write_inode(struct inode *, int); -extern long udf_block_map(struct inode *, long); -extern int8_t inode_bmap(struct inode *, int, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **); -extern int8_t udf_add_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr, uint32_t, struct buffer_head **, int); -extern int8_t udf_write_aext(struct inode *, kernel_lb_addr, int *, kernel_lb_addr, uint32_t, struct buffer_head *, int); -extern int8_t udf_delete_aext(struct inode *, kernel_lb_addr, int, kernel_lb_addr, uint32_t, struct buffer_head *); -extern int8_t udf_next_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int); -extern int8_t udf_current_aext(struct inode *, kernel_lb_addr *, int *, kernel_lb_addr *, uint32_t *, struct buffer_head **, int); +extern long udf_block_map(struct inode *, sector_t); +extern int udf_extend_file(struct inode *, struct extent_position *, kernel_long_ad *, sector_t); +extern int8_t inode_bmap(struct inode *, sector_t, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); +extern int8_t udf_add_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); +extern int8_t udf_write_aext(struct inode *, struct extent_position *, kernel_lb_addr, uint32_t, int); +extern int8_t udf_delete_aext(struct inode *, struct extent_position, kernel_lb_addr, uint32_t); +extern int8_t udf_next_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); +extern int8_t udf_current_aext(struct inode *, struct extent_position *, kernel_lb_addr *, uint32_t *, int); /* misc.c */ extern struct buffer_head *udf_tgetblk(struct super_block *, int); @@ -113,7 +121,6 @@ extern struct genericFormat *udf_get_extendedattr(struct inode *, uint32_t, uint8_t); extern struct buffer_head *udf_read_tagged(struct super_block *, uint32_t, uint32_t, uint16_t *); extern struct buffer_head *udf_read_ptagged(struct super_block *, kernel_lb_addr, uint32_t, uint16_t *); -extern void udf_release_data(struct buffer_head *); extern void udf_update_tag(char *, int); extern void udf_new_tag(char *, uint16_t, uint16_t, uint16_t, uint32_t, int); @@ -139,6 +146,7 @@ extern struct inode * udf_new_inode (struct inode *, int, int *); /* truncate.c */ +extern void udf_truncate_tail_extent(struct inode *); extern void udf_discard_prealloc(struct inode *); extern void udf_truncate_extents(struct inode *); @@ -151,7 +159,7 @@ extern int udf_fsync_file(struct file *, struct dentry *, int); /* directory.c */ -extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, kernel_lb_addr *, uint32_t *, kernel_lb_addr *, uint32_t *, uint32_t *, struct buffer_head **); +extern struct fileIdentDesc * udf_fileident_read(struct inode *, loff_t *, struct udf_fileident_bh *, struct fileIdentDesc *, struct extent_position *, kernel_lb_addr *, uint32_t *, sector_t *); extern struct fileIdentDesc * udf_get_fileident(void * buffer, int bufsize, int * offset); extern long_ad * udf_get_filelongad(uint8_t *, int, int *, int); extern short_ad * udf_get_fileshortad(uint8_t *, int, int *, int); diff -urN kernel-source-2.6.18.orig/fs/udf/udf_sb.h kernel-source-2.6.18/fs/udf/udf_sb.h --- kernel-source-2.6.18.orig/fs/udf/udf_sb.h 2006-09-20 06:42:06 +0300 +++ kernel-source-2.6.18/fs/udf/udf_sb.h 2007-08-14 03:26:08 +0300 @@ -93,7 +93,7 @@ for (i=0; i