diff options
| author | Joe Thornber <ejt@redhat.com> | 2015-07-03 14:51:32 +0100 |
|---|---|---|
| committer | Moyster <oysterized@gmail.com> | 2016-08-26 19:30:12 +0200 |
| commit | bf8eed16eee7493c6f16a3ed299425d7030e1f52 (patch) | |
| tree | 5a4b05b31afc410b67cc8bae243b365b32552e6f /drivers/md/persistent-data | |
| parent | 5ad2a019d063563367dbb802b50e00a62af1397a (diff) | |
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stefan Guendhoer <stefan@guendhoer.com>
Diffstat (limited to 'drivers/md/persistent-data')
| -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 0a7592e88..e3ecb0b82 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -240,7 +240,7 @@ 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->tm = info->tm; |