From: Dave Chinner <dchinner@redhat.com>
Date: Tue, 12 Apr 2011 09:18:08 +0000 (+1000)
Subject: nfs: don't call __mark_inode_dirty while holding i_lock
X-Git-Tag: v2.6.39-rc4~66
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0d88f6e804c824454b5ed0d3034ed3dcf7467a87;p=pandora-kernel.git

nfs: don't call __mark_inode_dirty while holding i_lock

nfs_scan_commit() is called with the inode->i_lock held, but it then
calls __mark_inode_dirty() while still holding the lock. This causes
a deadlock.

Push the inode->i_lock into nfs_scan_commit() so it can protect only
the parts of the code it needs to and can be dropped before the call
to __mark_inode_dirty() to avoid the deadlock.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Tested-by: Will Simoneau <simoneau@ele.uri.edu>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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