linux-kernel - [PATCH] fs: use kfree_rcu instead of i

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Message-ID: <20141005030040.GA830@vega.jjdev.com>
Date:	Sat, 4 Oct 2014 23:00:42 -0400
From:	John de la Garza <john@...ev.com>
To:	viro@...iv.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] fs: use kfree_rcu instead of i_callback

Since the callback is doing nothing more than calling kfree() we can
use kfree_rcu() instead of having to use a callback.

Signed-off-by: John de la Garza <john@...ev.com>
---
 fs/inode.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 26753ba..51deccd 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -250,12 +250,6 @@ void __destroy_inode(struct inode *inode)
 }
 EXPORT_SYMBOL(__destroy_inode);
 
-static void i_callback(struct rcu_head *head)
-{
-	struct inode *inode = container_of(head, struct inode, i_rcu);
-	kmem_cache_free(inode_cachep, inode);
-}
-
 static void destroy_inode(struct inode *inode)
 {
 	BUG_ON(!list_empty(&inode->i_lru));
@@ -263,7 +257,7 @@ static void destroy_inode(struct inode *inode)
 	if (inode->i_sb->s_op->destroy_inode)
 		inode->i_sb->s_op->destroy_inode(inode);
 	else
-		call_rcu(&inode->i_rcu, i_callback);
+		kfree(inode, i_rcu);
 }
 
 /**
-- 
2.1.0

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