diff options
| author | Mike Snitzer <snitzer@redhat.com> | 2012-07-27 15:07:57 +0100 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2012-07-27 15:07:57 +0100 |
| commit | 17b7d63f7ed10376e762fdfadbc65da6687d569a (patch) | |
| tree | 5de13953644dab7ca76b0b924558503f0c8a7860 /drivers/md | |
| parent | 7768ed33ccdc02801c4483fc5682dc66ace14aea (diff) | |
dm thin: clean up compiler warning
Clean up "warning: dubious: !x & y". Also make it clear that
__snapshotted_since() returns a bool and that dm_thin_lookup_result's
'shared' member is a flag.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/dm-thin-metadata.c | 2 | ||||
| -rw-r--r-- | drivers/md/dm-thin-metadata.h | 2 | ||||
| -rw-r--r-- | drivers/md/dm-thin.c | 2 |
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index 3e2907f0bc4..c858931d2dc 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -1262,7 +1262,7 @@ dm_thin_id dm_thin_dev_id(struct dm_thin_device *td) return td->id; } -static int __snapshotted_since(struct dm_thin_device *td, uint32_t time) +static bool __snapshotted_since(struct dm_thin_device *td, uint32_t time) { return td->snapshotted_time > time; } diff --git a/drivers/md/dm-thin-metadata.h b/drivers/md/dm-thin-metadata.h index b88918ccdaf..7b47c0a9a8e 100644 --- a/drivers/md/dm-thin-metadata.h +++ b/drivers/md/dm-thin-metadata.h @@ -119,7 +119,7 @@ dm_thin_id dm_thin_dev_id(struct dm_thin_device *td); struct dm_thin_lookup_result { dm_block_t block; - int shared; + unsigned shared:1; }; /* diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 18f87b0def1..0bb9e646e21 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1218,7 +1218,7 @@ static void process_discard(struct thin_c *tc, struct bio *bio) */ m = get_next_mapping(pool); m->tc = tc; - m->pass_discard = (!lookup_result.shared) & pool->pf.discard_passdown; + m->pass_discard = (!lookup_result.shared) && pool->pf.discard_passdown; m->virt_block = block; m->data_block = lookup_result.block; m->cell = cell; |