diff options
| author |   NeilBrown <neilb@suse.de> | 2006-01-06 00:20:46 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-06 08:34:08 -0800 |
| commit | 03c902e17f40cfed63cd2494616f35fc9c58571b (patch) | |
| tree | bfa65142a20a9b424dbd078149cecaa0177086fb /drivers | |
| parent | [PATCH] md: make sure bitmap updates are visible through filesystem (diff) | |
| download | linux-dev-03c902e17f40cfed63cd2494616f35fc9c58571b.tar.xz linux-dev-03c902e17f40cfed63cd2494616f35fc9c58571b.zip | |
[PATCH] md: fix rdev->pending counts in raid1
When we do a user-requested check/repair, we lose count of the outstanding
requests...
Also make sure that when anything is written to md/sync_action, the
RECOVERY_NEEDED flag is set and the thread is woken up so any changes take
effect.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/md/md.c | 11 | ||||
| -rw-r--r-- | drivers/md/raid1.c | 10 |
2 files changed, 10 insertions, 11 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 241d514343ce..0b3081aa4d63 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1826,13 +1826,10 @@ action_store(mddev_t *mddev, const char *page, size_t len) mddev->sync_thread = NULL; mddev->recovery = 0; } - return len; - } - - if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || - test_bit(MD_RECOVERY_NEEDED, &mddev->recovery)) + } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || + test_bit(MD_RECOVERY_NEEDED, &mddev->recovery)) return -EBUSY; - if (cmd_match(page, "resync") || cmd_match(page, "recover")) + else if (cmd_match(page, "resync") || cmd_match(page, "recover")) set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); else { if (cmd_match(page, "check")) @@ -1841,8 +1838,8 @@ action_store(mddev_t *mddev, const char *page, size_t len) return -EINVAL; set_bit(MD_RECOVERY_REQUESTED, &mddev->recovery); set_bit(MD_RECOVERY_SYNC, &mddev->recovery); - set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); } + set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); return len; } diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index feea4eeca1d9..7d4465f93064 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -527,7 +527,7 @@ static int read_balance(conf_t *conf, r1bio_t *r1_bio) /* cannot risk returning a device that failed * before we inc'ed nr_pending */ - atomic_dec(&rdev->nr_pending); + rdev_dec_pending(rdev, conf->mddev); goto retry; } conf->next_seq_sect = this_sector + sectors; @@ -830,7 +830,7 @@ static int make_request(request_queue_t *q, struct bio * bio) !test_bit(Faulty, &rdev->flags)) { atomic_inc(&rdev->nr_pending); if (test_bit(Faulty, &rdev->flags)) { - atomic_dec(&rdev->nr_pending); + rdev_dec_pending(rdev, mddev); r1_bio->bios[i] = NULL; } else r1_bio->bios[i] = bio; @@ -1176,6 +1176,7 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio) if (r1_bio->bios[primary]->bi_end_io == end_sync_read && test_bit(BIO_UPTODATE, &r1_bio->bios[primary]->bi_flags)) { r1_bio->bios[primary]->bi_end_io = NULL; + rdev_dec_pending(conf->mirrors[primary].rdev, mddev); break; } r1_bio->read_disk = primary; @@ -1193,9 +1194,10 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio) break; if (j >= 0) mddev->resync_mismatches += r1_bio->sectors; - if (j < 0 || test_bit(MD_RECOVERY_CHECK, &mddev->recovery)) + if (j < 0 || test_bit(MD_RECOVERY_CHECK, &mddev->recovery)) { sbio->bi_end_io = NULL; - else { + rdev_dec_pending(conf->mirrors[i].rdev, mddev); + } else { /* fixup the bio for reuse */ sbio->bi_vcnt = vcnt; sbio->bi_size = r1_bio->sectors << 9; |