diff options
| author | Ingo Molnar <mingo@kernel.org> | 2012-07-31 15:05:27 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-07-31 15:05:27 (GMT) |
| commit | 1f815faec46e83bc96039797151846b60875bb06 (patch) | |
| tree | 41a874f8090e3f69c8a9f13e3c85dd7a371e569b /drivers/md/dm-thin.c | |
| parent | b44d50dcacea0d485ca2ff9140f8cc28ee22f28d (diff) | |
| parent | e2b34e311be3a57c9abcb927e37a57e38913714c (diff) | |
| download | linux-fsl-qoriq-1f815faec46e83bc96039797151846b60875bb06.tar.xz | |
Merge branch 'linus' into timers/urgent
Merge in Linus's branch which already has timers/core merged.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/dm-thin.c')
| -rw-r--r-- | drivers/md/dm-thin.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index ce59824..68694da 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -1245,7 +1245,10 @@ static void process_discard(struct thin_c *tc, struct bio *bio) cell_release_singleton(cell, bio); cell_release_singleton(cell2, bio); - remap_and_issue(tc, bio, lookup_result.block); + if ((!lookup_result.shared) && pool->pf.discard_passdown) + remap_and_issue(tc, bio, lookup_result.block); + else + bio_endio(bio, 0); } break; @@ -2628,6 +2631,7 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv) if (tc->pool->pf.discard_enabled) { ti->discards_supported = 1; ti->num_discard_requests = 1; + ti->discard_zeroes_data_unsupported = 1; } dm_put(pool_md); |