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[PATCH] ufs: little directory lookup optimization

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This patch make little optimization of ufs_find_entry like "ext2" does.  Save
number of page and reuse it again in the next call.

Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Evgeniy Dushistov
2006-06-25 05:47:25 -07:00
committed by Linus Torvalds
parent abf5d15fd2
commit dd187a2603
4 changed files with 8 additions and 5 deletions
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4
fs/ufs/inode.c
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@@ -628,12 +628,12 @@ void ufs_read_inode (struct inode * inode)
ufsi->i_shadow = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_shadow);
ufsi->i_oeftflag = fs32_to_cpu(sb, ufs_inode->ui_u3.ui_sun.ui_oeftflag);
ufsi->i_lastfrag = (inode->i_size + uspi->s_fsize - 1) >> uspi->s_fshift;
ufsi->i_dir_start_lookup = 0;
if (S_ISCHR(mode) || S_ISBLK(mode) || inode->i_blocks) {
for (i = 0; i < (UFS_NDADDR + UFS_NINDIR); i++)
ufsi->i_u1.i_data[i] = ufs_inode->ui_u2.ui_addr.ui_db[i];
}
else {
} else {
for (i = 0; i < (UFS_NDADDR + UFS_NINDIR) * 4; i++)
ufsi->i_u1.i_symlink[i] = ufs_inode->ui_u2.ui_symlink[i];
}