diff options
| author | Jan Kara <jack@suse.cz> | 2007-05-08 09:35:14 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 20:15:21 +0200 |
| commit | ff116fc8d1d43927c7651b91d5aec41eb30c4429 (patch) | |
| tree | 9b452298e6f070be35b2d366ce4a10e4a1384d17 /fs/udf/dir.c | |
| parent | udf: use sector_t and loff_t for file offsets (diff) | |
| download | linux-ff116fc8d1d43927c7651b91d5aec41eb30c4429.tar.xz linux-ff116fc8d1d43927c7651b91d5aec41eb30c4429.zip | |
UDF: introduce struct extent_position
Introduce a structure extent_position to store a position of an extent and
the corresponding buffer_head in one place.
Signed-off-by: Jan Kara <jack@suse.cz>
Acked-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/udf/dir.c')
| -rw-r--r-- | fs/udf/dir.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 3c50b82a2307..00c15d3dd756 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -111,12 +111,13 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d 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; + 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; @@ -128,22 +129,22 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d 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)) { 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); + udf_release_data(epos.bh); return -EIO; } @@ -171,7 +172,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d } else { - udf_release_data(bh); + udf_release_data(epos.bh); return -ENOENT; } @@ -179,14 +180,14 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d { 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); + udf_release_data(epos.bh); return 0; } @@ -246,7 +247,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d if (fibh.sbh != fibh.ebh) udf_release_data(fibh.ebh); udf_release_data(fibh.sbh); - udf_release_data(bh); + udf_release_data(epos.bh); return 0; } } @@ -257,7 +258,7 @@ do_udf_readdir(struct inode * dir, struct file *filp, filldir_t filldir, void *d if (fibh.sbh != fibh.ebh) udf_release_data(fibh.ebh); udf_release_data(fibh.sbh); - udf_release_data(bh); + udf_release_data(epos.bh); return 0; } |