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| author | Ingo Molnar <mingo@kernel.org> | 2015-10-06 17:10:28 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-10-06 17:10:28 +0200 |
| commit | 82fc167c392a1700f9adbde639730ee8c8122474 (patch) | |
| tree | 373ab737a040dd21e5f98425e7c82a6cc4a83568 /drivers/md/dm-thin.c | |
| parent | e3e72ab80a3fac0b88e07d358a2c75724ccd66b4 (diff) | |
| parent | 049e6dde7e57f0054fdc49102e7ef4830c698b46 (diff) | |
| download | linux-82fc167c392a1700f9adbde639730ee8c8122474.tar.gz linux-82fc167c392a1700f9adbde639730ee8c8122474.tar.bz2 linux-82fc167c392a1700f9adbde639730ee8c8122474.zip | |
Merge tag 'v4.3-rc4' into locking/core, to pick up fixes before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/dm-thin.c')
| -rw-r--r-- | drivers/md/dm-thin.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c index 6578b7bc1fbb..6fcbfb063366 100644 --- a/drivers/md/dm-thin.c +++ b/drivers/md/dm-thin.c @@ -4249,6 +4249,10 @@ static void thin_io_hints(struct dm_target *ti, struct queue_limits *limits) { struct thin_c *tc = ti->private; struct pool *pool = tc->pool; + struct queue_limits *pool_limits = dm_get_queue_limits(pool->pool_md); + + if (!pool_limits->discard_granularity) + return; /* pool's discard support is disabled */ limits->discard_granularity = pool->sectors_per_block << SECTOR_SHIFT; limits->max_discard_sectors = 2048 * 1024 * 16; /* 16G */ |