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| author | Mikulas Patocka <mpatocka@redhat.com> | 2009-07-23 21:30:37 +0200 |
|---|---|---|
| committer | Alasdair G Kergon <agk@redhat.com> | 2009-07-23 21:30:37 +0200 |
| commit | 69885683d22d8c05910fd808c01fdce1322739b4 (patch) | |
| tree | ad890ab1f667b7528e347e1886a9b7daf6f6c168 /drivers/md/dm-raid1.c | |
| parent | Linux 2.6.31-rc4 (diff) | |
| download | linux-69885683d22d8c05910fd808c01fdce1322739b4.tar.xz linux-69885683d22d8c05910fd808c01fdce1322739b4.zip | |
dm raid1: wake kmirrord when requeueing delayed bios after remote recovery
The recent commit 7513c2a761d69d2a93f17146b3563527d3618ba0 (dm raid1:
add is_remote_recovering hook for clusters) changed do_writes() to
update the ms->writes list but forgot to wake up kmirrord to process it.
The rule is that when anything is being added on ms->reads, ms->writes
or ms->failures and the list was empty before we must call
wakeup_mirrord (for immediate processing) or delayed_wake (for delayed
processing). Otherwise the bios could sit on the list indefinitely.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
CC: stable@kernel.org
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-raid1.c')
| -rw-r--r-- | drivers/md/dm-raid1.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index ce8868c768cc..42a3e4341d60 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -638,6 +638,7 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes) spin_lock_irq(&ms->lock); bio_list_merge(&ms->writes, &requeue); spin_unlock_irq(&ms->lock); + delayed_wake(ms); } /* |