diff options
| author | Ingo Molnar <mingo@kernel.org> | 2014-07-16 15:10:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-07-16 15:10:07 +0200 |
| commit | d26fad5b38e1c4667d4f2604936e59c837caa54d (patch) | |
| tree | 04b524a69a0129c181567445bff18847a1b44721 /drivers/md/md.c | |
| parent | e720fff6341fe4b95e5a93c939bd3c77fa55ced4 (diff) | |
| parent | 1795cd9b3a91d4b5473c97f491d63892442212ab (diff) | |
Merge tag 'v3.16-rc5' into sched/core, to refresh the branch before applying bigger tree-wide changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 34846856dbc6..32fc19c540d4 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -5599,7 +5599,7 @@ static int get_array_info(struct mddev * mddev, void __user * arg) if (mddev->in_sync) info.state = (1<<MD_SB_CLEAN); if (mddev->bitmap && mddev->bitmap_info.offset) - info.state = (1<<MD_SB_BITMAP_PRESENT); + info.state |= (1<<MD_SB_BITMAP_PRESENT); info.active_disks = insync; info.working_disks = working; info.failed_disks = failed; @@ -7501,6 +7501,19 @@ void md_do_sync(struct md_thread *thread) rdev->recovery_offset < j) j = rdev->recovery_offset; rcu_read_unlock(); + + /* If there is a bitmap, we need to make sure all + * writes that started before we added a spare + * complete before we start doing a recovery. + * Otherwise the write might complete and (via + * bitmap_endwrite) set a bit in the bitmap after the + * recovery has checked that bit and skipped that + * region. + */ + if (mddev->bitmap) { + mddev->pers->quiesce(mddev, 1); + mddev->pers->quiesce(mddev, 0); + } } printk(KERN_INFO "md: %s of RAID array %s\n", desc, mdname(mddev)); |