xfs: switch to NOFS allocation under i_lock in xfs_getbmap
commit1ec2b8a777d6ac5464a836b3c5520b1a5190194c
authorChristoph Hellwig <hch@infradead.org>
Sat, 18 Jul 2009 22:14:54 +0000 (18 18:14 -0400)
committerFelix Blyakher <felixb@sgi.com>
Tue, 11 Aug 2009 15:27:28 +0000 (11 10:27 -0500)
tree03cf2292a8b71632feea5178de4694428f42daef
parentefe1f30e8f05a3836dfcf6302774707b3b47193f
xfs: switch to NOFS allocation under i_lock in xfs_getbmap

xfs_getbmap allocates memory with i_lock held, but i_lock is taken in
reclaim context so all allocations under it must avoid recursions into
the filesystem.

Reported by the new reclaim context tracing in lockdep.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Felix Blyakher <felixb@sgi.com>
Signed-off-by: Felix Blyakher <felixb@sgi.com>
fs/xfs/xfs_bmap.c