diff options
| author | NeilBrown <neilb@suse.com> | 2017-08-30 01:10:18 +0300 |
|---|---|---|
| committer | Mike Snitzer <snitzer@redhat.com> | 2017-12-13 20:15:55 +0300 |
| commit | 80cd17578310dbaf880ae0db9240ad2218c5811a (patch) | |
| tree | 31aa785b6417389d87565d915f75f644a2f75c2f | |
| parent | c06b3e583750fa8f1d214ca50c86d936f6a329c6 (diff) | |
| download | linux-80cd17578310dbaf880ae0db9240ad2218c5811a.tar.xz | |
dm crypt: remove BIOSET_NEED_RESCUER flag
The BIOSET_NEED_RESCUER flag is only needed when a make_request_fn might
do two allocations from the one bioset, and the second one could block
until the first bio completes.
dm-crypt does allocate from this bioset inside the dm make_request_fn,
but does so using GFP_NOWAIT so that the allocation will not block.
So BIOSET_NEED_RESCUER is not needed.
Signed-off-by: NeilBrown <neilb@suse.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
| -rw-r--r-- | drivers/md/dm-crypt.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 9fc12f556534..9c53367d2f3e 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -2697,8 +2697,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv) goto bad; } - cc->bs = bioset_create(MIN_IOS, 0, (BIOSET_NEED_BVECS | - BIOSET_NEED_RESCUER)); + cc->bs = bioset_create(MIN_IOS, 0, BIOSET_NEED_BVECS); if (!cc->bs) { ti->error = "Cannot allocate crypt bioset"; goto bad; |