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| author | Joe Thornber <ejt@redhat.com> | 2015-07-03 14:51:32 +0100 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2015-07-06 10:45:02 -0400 |
| commit | 1c7518794a3647eb345d59ee52844e8a40405198 (patch) | |
| tree | 2c98c3c7448645836876e37895b5ef9b9c96ef38 | |
| parent | a822c83e47d97cdef38c4352e1ef62d9f46cfe98 (diff) | |
| download | linux-stable-1c7518794a3647eb345d59ee52844e8a40405198.tar.gz linux-stable-1c7518794a3647eb345d59ee52844e8a40405198.tar.bz2 linux-stable-1c7518794a3647eb345d59ee52844e8a40405198.zip | |
dm btree: silence lockdep lock inversion in dm_btree_del()
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>
Cc: stable@vger.kernel.org
| -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; |