linux-kernel - [PATCH 3/4] fs: Use RCU freeing of inodes via SLAB_DESTROY_BY

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Date:	Mon,  8 Nov 2010 18:28:24 +1100
From:	Dave Chinner <david@...morbit.com>
To:	viro@...IV.linux.org.uk
Cc:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	eric.dumazet@...il.com, paulmck@...ux.vnet.ibm.com
Subject: [PATCH 3/4] fs: Use RCU freeing of inodes via SLAB_DESTROY_BY_RCU

From: Dave Chinner <dchinner@...hat.com>

Change the inode caches to use RCU freed inodes via the SLAB_DESTROY_BY_RCU
method. This is the first step in converting the inode hash lookups to use RCU
methods.

Signed-off-by: Dave Chinner <dchinner@...hat.com>
---
 include/linux/slab.h |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/include/linux/slab.h b/include/linux/slab.h
index dca23c5..1fea5f1 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -96,6 +96,7 @@
  * Set the default flags necessary for inode caches manipulated by the VFS.
  */
 #define SLAB_INODE_CACHE	(SLAB_MEM_SPREAD | \
+				 SLAB_DESTROY_BY_RCU | \
 				 SLAB_RECLAIM_ACCOUNT)
 
 /*
-- 
1.7.2.3

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