diff options
Diffstat (limited to 'drivers/md/dm-raid1.c')
| -rw-r--r-- | drivers/md/dm-raid1.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index d9ec783a37dd..9b66863991d1 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -258,7 +258,7 @@ out: static int mirror_flush(struct dm_target *ti) { struct mirror_set *ms = ti->private; - unsigned long error_bits; + unsigned long error_bits, unsup_bits; unsigned int i; struct dm_io_region io[MAX_NR_MIRRORS]; @@ -277,8 +277,8 @@ static int mirror_flush(struct dm_target *ti) } error_bits = -1; - dm_io(&io_req, ms->nr_mirrors, io, &error_bits, IOPRIO_DEFAULT); - if (unlikely(error_bits != 0)) { + dm_io(&io_req, ms->nr_mirrors, io, &error_bits, &unsup_bits, IOPRIO_DEFAULT); + if (unlikely((error_bits | unsup_bits) != 0)) { for (i = 0; i < ms->nr_mirrors; i++) if (test_bit(i, &error_bits)) fail_mirror(ms->mirror + i, @@ -511,7 +511,7 @@ static void hold_bio(struct mirror_set *ms, struct bio *bio) * Reads *--------------------------------------------------------------- */ -static void read_callback(unsigned long error, void *context) +static void read_callback(unsigned long error, unsigned long unsup, void *context) { struct bio *bio = context; struct mirror *m; @@ -520,6 +520,8 @@ static void read_callback(unsigned long error, void *context) bio_set_m(bio, NULL); if (likely(!error)) { + if (unlikely(unsup != 0)) + bio->bi_status = BLK_STS_INVAL; bio_endio(bio); return; } @@ -553,7 +555,7 @@ static void read_async_bio(struct mirror *m, struct bio *bio) map_region(&io, m, bio); bio_set_m(bio, m); - BUG_ON(dm_io(&io_req, 1, &io, NULL, IOPRIO_DEFAULT)); + BUG_ON(dm_io(&io_req, 1, &io, NULL, NULL, IOPRIO_DEFAULT)); } static inline int region_in_sync(struct mirror_set *ms, region_t region, @@ -600,7 +602,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) * NOSYNC: increment pending, just write to the default mirror *--------------------------------------------------------------------- */ -static void write_callback(unsigned long error, void *context) +static void write_callback(unsigned long error, unsigned long unsup, void *context) { unsigned int i; struct bio *bio = context; @@ -617,7 +619,7 @@ static void write_callback(unsigned long error, void *context) * This way we handle both writes to SYNC and NOSYNC * regions with the same code. */ - if (likely(!error)) { + if (likely(!(error | unsup))) { bio_endio(bio); return; } @@ -632,6 +634,12 @@ static void write_callback(unsigned long error, void *context) return; } + if (!error && unsup) { + bio->bi_status = BLK_STS_INVAL; + bio_endio(bio); + return; + } + for (i = 0; i < ms->nr_mirrors; i++) if (test_bit(i, &error)) fail_mirror(ms->mirror + i, DM_RAID1_WRITE_ERROR); @@ -680,7 +688,7 @@ static void do_write(struct mirror_set *ms, struct bio *bio) */ bio_set_m(bio, get_default_mirror(ms)); - BUG_ON(dm_io(&io_req, ms->nr_mirrors, io, NULL, IOPRIO_DEFAULT)); + BUG_ON(dm_io(&io_req, ms->nr_mirrors, io, NULL, NULL, IOPRIO_DEFAULT)); } static void do_writes(struct mirror_set *ms, struct bio_list *writes) @@ -1262,7 +1270,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio, return DM_ENDIO_DONE; } - if (*error == BLK_STS_NOTSUPP) + if (*error == BLK_STS_NOTSUPP || *error == BLK_STS_INVAL) goto out; if (bio->bi_opf & REQ_RAHEAD) |