From: Jeff Mahoney <jeffm@suse.com>
Date: Tue, 27 May 2014 17:53:20 +0000 (-0400)
Subject: btrfs: free delayed node outside of root->inode_lock
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~54^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=964930312aec583809a690868119ce716f4ee926;p=pandora-kernel.git

btrfs: free delayed node outside of root->inode_lock

On heavy workloads, we're seeing soft lockup warnings on
root->inode_lock in __btrfs_release_delayed_node. The low hanging fruit
is to reduce the size of the critical section.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Reviewed-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
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