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| author | Joe Thornber <ejt@redhat.com> | 2015-07-03 14:51:32 +0100 |
|---|---|---|
| committer | Luis Henriques <luis.henriques@canonical.com> | 2015-08-10 09:54:12 +0100 |
| commit | 75064b474a354372d794560b55b6017d5c5ce18c (patch) | |
| tree | 65c591180298992f60d9b40cb36c690350d2c3d4 | |
| parent | 7ec0d6ed2c7f10cca4e9411934fdcddc55308fce (diff) | |
| download | linux-stable-75064b474a354372d794560b55b6017d5c5ce18c.tar.gz linux-stable-75064b474a354372d794560b55b6017d5c5ce18c.tar.bz2 linux-stable-75064b474a354372d794560b55b6017d5c5ce18c.zip | |
dm btree: silence lockdep lock inversion in dm_btree_del()
commit 1c7518794a3647eb345d59ee52844e8a40405198 upstream.
Allocate memory using GFP_NOIO when deleting a btree. dm_btree_del()
can be called via an ioctl and we don't want to recurse into the FS or
block layer.
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
| -rw-r--r-- | drivers/md/persistent-data/dm-btree.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c index 200ac12a1d40..fdd3793e22f9 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -255,7 +255,7 @@ int dm_btree_del(struct dm_btree_info *info, dm_block_t root) int r; struct del_stack *s; - s = kmalloc(sizeof(*s), GFP_KERNEL); + s = kmalloc(sizeof(*s), GFP_NOIO); if (!s) return -ENOMEM; s->info = info; |