Commit a1a56f54 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Carlos Maiolino
Browse files

xfs: mark xfs_buf_free as might_sleep() 



xfs_buf_free can call vunmap, which can sleep.  The vunmap path is an
unlikely one, so add might_sleep to ensure calling xfs_buf_free from
atomic context gets caught more easily.

Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarCarlos Maiolino <cmaiolino@redhat.com>
Signed-off-by: default avatarCarlos Maiolino <cem@kernel.org>
parent b73e0528

fs/xfs/xfs_buf.c

+1 −0
Original line number Diff line number Diff line
@@ -105,6 +105,7 @@ xfs_buf_free( 
{

	unsigned int		size = BBTOB(bp->b_length);



	might_sleep();

	trace_xfs_buf_free(bp, _RET_IP_);



	ASSERT(list_empty(&bp->b_lru));