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authorArnd Bergmann <arnd@arndb.de>2012-03-16 00:50:16 +0400
committerArnd Bergmann <arnd@arndb.de>2012-03-16 00:50:16 +0400
commit4788d72ce6c0d71220c06a242f935a056eccf424 (patch)
tree851ba5c54b4889b78b2a217c285e87c9e73536d3 /drivers/md/dm-raid.c
parente594a97c8c74533ec105b2ac9194217e918f172f (diff)
parentd39c815278bef7ce896100d8b385c81ed5cac015 (diff)
downloadlinux-4788d72ce6c0d71220c06a242f935a056eccf424.tar.xz
Merge branch 'next/soc-exynos5250-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
* 'next/soc-exynos5250-gpio' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: (201 commits) gpio/samsung: use ioremap() for EXYNOS4 GPIOlib gpio/samsung: add support GPIOlib for EXYNOS5250 ARM: EXYNOS: add support GPIO for EXYNOS5250 (update to v3.3-rc7) Conflicts: arch/arm/mach-pxa/pxa25x.c arch/arm/mach-pxa/pxa27x.c The dummy clock for the pxa rtc in those files keeps getting added and removed in various trees. Apparently removing is the correct solution. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/md/dm-raid.c')
-rw-r--r--drivers/md/dm-raid.c17
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);