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| author | Joe Thornber <ejt@redhat.com> | 2015-07-03 14:51:32 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2015-08-12 16:33:20 +0200 |
| commit | a62b33eed7aba186f0d8ffad97b732335db414c8 (patch) | |
| tree | 5029eda6d34640444f58626a9f813d8ee22d3a04 | |
| parent | 0dca2ecbbe794fcce0b74557295fc5e9730f538e (diff) | |
| download | kernel_samsung_smdk4412-a62b33eed7aba186f0d8ffad97b732335db414c8.zip kernel_samsung_smdk4412-a62b33eed7aba186f0d8ffad97b732335db414c8.tar.gz kernel_samsung_smdk4412-a62b33eed7aba186f0d8ffad97b732335db414c8.tar.bz2 | |
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: Ben Hutchings <ben@decadent.org.uk>
| -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 bbb2ec5..18f37e0 100644 --- a/drivers/md/persistent-data/dm-btree.c +++ b/drivers/md/persistent-data/dm-btree.c @@ -236,7 +236,7 @@ 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; |