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authorNick Piggin <npiggin@kernel.dk>2011-01-07 07:49:43 +0100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 07:50:24 +0100
commitdc0474be3e27463d4d4a2793f82366eed906f223 (patch)
tree41f75e638442cb343bacdcfbabb17ffc3bd5b4ce /fs/ocfs2/dcache.c
parentfs: dcache reduce dcache_inode_lock (diff)
downloadlinux-dc0474be3e27463d4d4a2793f82366eed906f223.tar.xz
linux-dc0474be3e27463d4d4a2793f82366eed906f223.zip
fs: dcache rationalise dget variants
dget_locked was a shortcut to avoid the lazy lru manipulation when we already held dcache_lock (lru manipulation was relatively cheap at that point). However, how that the lru lock is an innermost one, we never hold it at any caller, so the lock cost can now be avoided. We already have well working lazy dcache LRU, so it should be fine to defer LRU manipulations to scan time. Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/ocfs2/dcache.c')
-rw-r--r--fs/ocfs2/dcache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index b7de749bdd12..4d54c60ceee4 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -178,7 +178,7 @@ struct dentry *ocfs2_find_local_alias(struct inode *inode,
mlog(0, "dentry found: %.*s\n",
dentry->d_name.len, dentry->d_name.name);
- dget_locked_dlock(dentry);
+ dget_dlock(dentry);
spin_unlock(&dentry->d_lock);
break;
}