tree 8a8865c1c260de81d13e322ab4259833b4918e15
parent 4c5640cb5f5a6fd780d99397eca028b575cb1206
author NeilBrown <[EMAIL PROTECTED]> Tue, 23 Aug 2005 03:11:08 -0700
committer Linus Torvalds <[EMAIL PROTECTED]> Wed, 24 Aug 2005 01:44:30 -0700
[PATCH] md: make sure resync gets started when array starts.
We weren't actually waking up the md thread after setting
MD_RECOVERY_NEEDED when assembling an array, so it is possible to lose a
race and not actually start resync.
So add a call to md_wakeup_thread, and while we are at it, remove all the
"if (mddev->thread)" guards as md_wake_thread does its own checking.
Signed-off-by: Neil Brown <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
drivers/md/md.c | 7 +++----
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/md/md.c b/drivers/md/md.c
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -256,8 +256,7 @@ static inline void mddev_unlock(mddev_t
{
up(&mddev->reconfig_sem);
- if (mddev->thread)
- md_wakeup_thread(mddev->thread);
+ md_wakeup_thread(mddev->thread);
}
mdk_rdev_t * find_rdev_nr(mddev_t *mddev, int nr)
@@ -1714,6 +1713,7 @@ static int do_md_run(mddev_t * mddev)
mddev->in_sync = 1;
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
+ md_wakeup_thread(mddev->thread);
if (mddev->sb_dirty)
md_update_sb(mddev);
@@ -2236,8 +2236,7 @@ static int add_new_disk(mddev_t * mddev,
export_rdev(rdev);
set_bit(MD_RECOVERY_NEEDED, &mddev->recovery);
- if (mddev->thread)
- md_wakeup_thread(mddev->thread);
+ md_wakeup_thread(mddev->thread);
return err;
}
-
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