Commit f41d7fb9 authored Jul 18, 2009 by Christoph Hellwig Committed by Felix Blyakher Aug 12, 2009

xfs: switch to NOFS allocation under i_lock in xfs_da_state_alloc



xfs_da_state_alloc is always called 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>

parent ca35dcd6

fs/xfs/xfs_da_btree.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -2201,7 +2201,7 @@ kmem_zone_t xfs_dabuf_zone; / dabuf zone */
	xfs_da_state_t *		xfs_da_state_t *
	xfs_da_state_alloc(void)		xfs_da_state_alloc(void)
	{		{
	return kmem_zone_zalloc(xfs_da_state_zone, KM_SLEEP);		return kmem_zone_zalloc(xfs_da_state_zone, KM_NOFS);
	}		}

	/*		/*