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author | Arnd Bergmann <arnd@arndb.de> | 2012-03-15 19:50:27 +0400 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2012-03-15 19:51:06 +0400 |
commit | f82989bde1cfa5e2b4614d8e4896d795dae418d9 (patch) | |
tree | 970cd7c833fad85acbf00be335b0ae8c4991b375 /drivers/md/dm-raid.c | |
parent | 695d82fae9160406acb9de204c471248abcc2a9f (diff) | |
parent | 30c766bdeccf945615097ca185326c1d7199f023 (diff) | |
download | linux-f82989bde1cfa5e2b4614d8e4896d795dae418d9.tar.xz |
Merge branch 'fixes' of git://gitorious.org/linux-davinci/linux-davinci into next/fixes-non-critical
* 'fixes' of git://gitorious.org/linux-davinci/linux-davinci: (2 commits)
ARM: davinci: DA850: move da850_register_pm to .init.text
ARM: davinci: cpufreq: fix compiler warning
(update to v3.3-rc7)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/md/dm-raid.c')
-rw-r--r-- | drivers/md/dm-raid.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 86cb7e5d83d5..787022c18187 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -668,7 +668,14 @@ static int super_load(struct md_rdev *rdev, struct md_rdev *refdev) return ret; sb = page_address(rdev->sb_page); - if (sb->magic != cpu_to_le32(DM_RAID_MAGIC)) { + + /* + * Two cases that we want to write new superblocks and rebuild: + * 1) New device (no matching magic number) + * 2) Device specified for rebuild (!In_sync w/ offset == 0) + */ + if ((sb->magic != cpu_to_le32(DM_RAID_MAGIC)) || + (!test_bit(In_sync, &rdev->flags) && !rdev->recovery_offset)) { super_sync(rdev->mddev, rdev); set_bit(FirstUse, &rdev->flags); @@ -745,11 +752,8 @@ static int super_init_validation(struct mddev *mddev, struct md_rdev *rdev) */ rdev_for_each(r, t, mddev) { if (!test_bit(In_sync, &r->flags)) { - if (!test_bit(FirstUse, &r->flags)) - DMERR("Superblock area of " - "rebuild device %d should have been " - "cleared.", r->raid_disk); - set_bit(FirstUse, &r->flags); + DMINFO("Device %d specified for rebuild: " + "Clearing superblock", r->raid_disk); rebuilds++; } else if (test_bit(FirstUse, &r->flags)) new_devs++; @@ -971,6 +975,7 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) INIT_WORK(&rs->md.event_work, do_table_event); ti->private = rs; + ti->num_flush_requests = 1; mutex_lock(&rs->md.reconfig_mutex); ret = md_run(&rs->md); |