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| author | Marcin Slusarz <marcin.slusarz@gmail.com> | 2008-02-08 04:20:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-02-08 09:22:35 -0800 |
| commit | 48d6d8ff7dca804536298e517298182c4a51c421 (patch) | |
| tree | 8566ae59bdd01fb3568b6441b909d035dba7b61b /fs/udf/dir.c | |
| parent | c0b344385fa05f6bea462e707fcba89f9e2776c2 (diff) | |
| download | linux-48d6d8ff7dca804536298e517298182c4a51c421.tar.gz linux-48d6d8ff7dca804536298e517298182c4a51c421.tar.bz2 linux-48d6d8ff7dca804536298e517298182c4a51c421.zip | |
udf: cache struct udf_inode_info
cache UDF_I(struct inode *) return values when there are
at least 2 uses in one function
Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Acked-by: Jan Kara <jack@suse.cz>
Cc: Christoph Hellwig <hch@lst.de>
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 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/udf/dir.c b/fs/udf/dir.c index 6fd831413c9a..4d9b2153f686 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -117,6 +117,7 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, int i, num; unsigned int dt_type; struct extent_position epos = { NULL, 0, {0, 0} }; + struct udf_inode_info *iinfo; if (nf_pos >= size) return 0; @@ -125,15 +126,16 @@ do_udf_readdir(struct inode *dir, struct file *filp, filldir_t filldir, nf_pos = (udf_ext0_offset(dir) >> 2); fibh.soffset = fibh.eoffset = (nf_pos & ((dir->i_sb->s_blocksize - 1) >> 2)) << 2; - if (UDF_I(dir)->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { + iinfo = UDF_I(dir); + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_IN_ICB) { fibh.sbh = fibh.ebh = NULL; } else if (inode_bmap(dir, nf_pos >> (dir->i_sb->s_blocksize_bits - 2), &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(dir)->i_alloc_type == ICBTAG_FLAG_AD_SHORT) + if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_SHORT) epos.offset -= sizeof(short_ad); - else if (UDF_I(dir)->i_alloc_type == + else if (iinfo->i_alloc_type == ICBTAG_FLAG_AD_LONG) epos.offset -= sizeof(long_ad); } else { |