xfs: switch to NOFS allocation under i_lock in xfs_getbmap
authorChristoph Hellwig <hch@infradead.org>
Sat, 18 Jul 2009 22:14:54 +0000 (18:14 -0400)
committerFelix Blyakher <felixb@sgi.com>
Wed, 12 Aug 2009 06:06:59 +0000 (01:06 -0500)
commitca35dcd6cae7d4a780c484c53f45548c4719f82c
treeef2c93d8c55e075a8153e39eda7aa94464b64677
parent0cc6eee130b0c062feec8446d9cecdb17d2cfad3
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