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authorEric Dumazet <eric.dumazet@gmail.com>2011-07-28 06:41:09 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2011-08-01 01:41:17 -0400
commitf2ee7abf4c40c8e6bffced923a7c01ea2d1f6c97 (patch)
tree3c7ec119cf89f82737c55235ff7881ebeed9408f /fs/inode.c
parentb12362bdb61a230a67daa77bcd2a11e59b2802e1 (diff)
downloadlinux-f2ee7abf4c40c8e6bffced923a7c01ea2d1f6c97.tar.gz
vfs: avoid taking inode_hash_lock on pipes and sockets
Some inodes (pipes, sockets, ...) are not hashed, no need to take contended inode_hash_lock at dismantle time. nice speedup on SMP machines on socket intensive workloads. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/inode.c')
-rw-r--r--fs/inode.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/inode.c b/fs/inode.c
index 9dab13ae6ef..e445be2a18f 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -399,12 +399,12 @@ void __insert_inode_hash(struct inode *inode, unsigned long hashval)
EXPORT_SYMBOL(__insert_inode_hash);
/**
- * remove_inode_hash - remove an inode from the hash
+ * __remove_inode_hash - remove an inode from the hash
* @inode: inode to unhash
*
* Remove an inode from the superblock.
*/
-void remove_inode_hash(struct inode *inode)
+void __remove_inode_hash(struct inode *inode)
{
spin_lock(&inode_hash_lock);
spin_lock(&inode->i_lock);
@@ -412,7 +412,7 @@ void remove_inode_hash(struct inode *inode)
spin_unlock(&inode->i_lock);
spin_unlock(&inode_hash_lock);
}
-EXPORT_SYMBOL(remove_inode_hash);
+EXPORT_SYMBOL(__remove_inode_hash);
void end_writeback(struct inode *inode)
{