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authorAndreas Gruenbacher <agruen@suse.de>2010-07-19 20:19:41 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2010-08-10 00:48:45 +0400
commit2aec7c523291621ebb68ba8e0bd9b52a26bb76ee (patch)
tree5be94d61cb157c0482c4e4005e438844c0312dd0 /fs/ext2/xattr.c
parent365b18189789bfa1acd9939e6312b8a4b4577b28 (diff)
downloadlinux-2aec7c523291621ebb68ba8e0bd9b52a26bb76ee.tar.xz
mbcache: Remove unused features
The mbcache code was written to support a variable number of indexes, but all the existing users use exactly one index. Simplify to code to support only that case. There are also no users of the cache entry free operation, and none of the users keep extra data in cache entries. Remove those features as well. Signed-off-by: Andreas Gruenbacher <agruen@suse.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/ext2/xattr.c')
-rw-r--r--fs/ext2/xattr.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 5ab87e6edffc..8c29ae15129e 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -843,7 +843,7 @@ ext2_xattr_cache_insert(struct buffer_head *bh)
ce = mb_cache_entry_alloc(ext2_xattr_cache, GFP_NOFS);
if (!ce)
return -ENOMEM;
- error = mb_cache_entry_insert(ce, bh->b_bdev, bh->b_blocknr, &hash);
+ error = mb_cache_entry_insert(ce, bh->b_bdev, bh->b_blocknr, hash);
if (error) {
mb_cache_entry_free(ce);
if (error == -EBUSY) {
@@ -917,8 +917,8 @@ ext2_xattr_cache_find(struct inode *inode, struct ext2_xattr_header *header)
return NULL; /* never share */
ea_idebug(inode, "looking for cached blocks [%x]", (int)hash);
again:
- ce = mb_cache_entry_find_first(ext2_xattr_cache, 0,
- inode->i_sb->s_bdev, hash);
+ ce = mb_cache_entry_find_first(ext2_xattr_cache, inode->i_sb->s_bdev,
+ hash);
while (ce) {
struct buffer_head *bh;
@@ -950,7 +950,7 @@ again:
unlock_buffer(bh);
brelse(bh);
}
- ce = mb_cache_entry_find_next(ce, 0, inode->i_sb->s_bdev, hash);
+ ce = mb_cache_entry_find_next(ce, inode->i_sb->s_bdev, hash);
}
return NULL;
}
@@ -1026,9 +1026,7 @@ static void ext2_xattr_rehash(struct ext2_xattr_header *header,
int __init
init_ext2_xattr(void)
{
- ext2_xattr_cache = mb_cache_create("ext2_xattr", NULL,
- sizeof(struct mb_cache_entry) +
- sizeof(((struct mb_cache_entry *) 0)->e_indexes[0]), 1, 6);
+ ext2_xattr_cache = mb_cache_create("ext2_xattr", 6);
if (!ext2_xattr_cache)
return -ENOMEM;
return 0;