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Commit 9f9ef065 authored by Joe Thornber's avatar Joe Thornber Committed by Mike Snitzer
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dm btree: use GFP_NOFS in dm_btree_del() 



dm_btree_del() is called from an ioctl so don't recurse into FS.

Signed-off-by: default avatarJoe Thornber <ejt@redhat.com>
Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent 3ba3ba1e

drivers/md/persistent-data/dm-btree.c

+6 −1
Original line number Diff line number Diff line
@@ -272,7 +272,12 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) 
	int r;

	struct del_stack *s;



	s = kmalloc(sizeof(*s), GFP_NOIO);

	/*

	 * dm_btree_del() is called via an ioctl, as such should be

	 * considered an FS op.  We can't recurse back into the FS, so we

	 * allocate GFP_NOFS.

	 */

	s = kmalloc(sizeof(*s), GFP_NOFS);

	if (!s)

		return -ENOMEM;

	s->info = info;