diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-20 13:51:04 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-09-20 15:52:38 +1000 |
| commit | 1cce058b29e7eb8a71a72d8bb87eb7b4e0401c22 (patch) | |
| tree | 493477b7a19606c66de2f003bca83672f2164cad /drivers/md/raid1.c | |
| parent | c26afe9e8591f306d79aab8071f1d34e4f60b700 (diff) | |
| parent | 9d037a777695993ec7437e5f451647dea7919d4c (diff) | |
Merge remote-tracking branch 'origin/master' into next
(Merge in order to get the PCIe mps/mrss code fixes)
Diffstat (limited to 'drivers/md/raid1.c')
| -rw-r--r-- | drivers/md/raid1.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 32323f0afd8..f4622dd8fc5 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1099,12 +1099,11 @@ read_again: bio_list_add(&conf->pending_bio_list, mbio); spin_unlock_irqrestore(&conf->device_lock, flags); } - r1_bio_write_done(r1_bio); - - /* In case raid1d snuck in to freeze_array */ - wake_up(&conf->wait_barrier); - + /* Mustn't call r1_bio_write_done before this next test, + * as it could result in the bio being freed. + */ if (sectors_handled < (bio->bi_size >> 9)) { + r1_bio_write_done(r1_bio); /* We need another r1_bio. It has already been counted * in bio->bi_phys_segments */ @@ -1117,6 +1116,11 @@ read_again: goto retry_write; } + r1_bio_write_done(r1_bio); + + /* In case raid1d snuck in to freeze_array */ + wake_up(&conf->wait_barrier); + if (do_sync || !bitmap || !plugged) md_wakeup_thread(mddev->thread); |