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| author | Alex Shi <alex.shi@linaro.org> | 2015-03-19 08:57:07 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-03-19 08:57:07 +0800 |
| commit | 42f45c9abdea541a9f966553b5e71dd576d432f9 (patch) | |
| tree | e9189f804b03d19696b0944a5a34ea9427177646 /drivers/md/dm-raid1.c | |
| parent | 4d8fd56f051e5eea61209de4a3cb0619283a30af (diff) | |
| parent | ba0bfedf4c9cad58f56a7038d1462ffc21cd33df (diff) | |
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-androidlsk-v3.10-15.03-androidlinux-linaro-lsk-v3.10-android
Diffstat (limited to 'drivers/md/dm-raid1.c')
| -rw-r--r-- | drivers/md/dm-raid1.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 699b5be68d31..678556b8ee4d 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -604,6 +604,15 @@ static void write_callback(unsigned long error, void *context) return; } + /* + * If the bio is discard, return an error, but do not + * degrade the array. + */ + if (bio->bi_rw & REQ_DISCARD) { + bio_endio(bio, -EOPNOTSUPP); + return; + } + for (i = 0; i < ms->nr_mirrors; i++) if (test_bit(i, &error)) fail_mirror(ms->mirror + i, DM_RAID1_WRITE_ERROR); |