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authorArnd Bergmann <arnd@arndb.de>2012-03-15 15:19:05 +0000
committerArnd Bergmann <arnd@arndb.de>2012-03-15 15:20:07 +0000
commitf4e2467bad53023589cbff18dd1ab6e0aa3f004c (patch)
tree8d7abbf418eabd25bbcdc9b6de2f8216d2eaa616 /drivers/md/dm-raid.c
parente3643b77de143c5548ec93abd8aa68f4123295ea (diff)
parenta6de3df4f172e124280d88e617ee7d29f7af970b (diff)
Merge branch 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6 into next/cleanup
* 'ep93xx-for-arm-soc' of git://github.com/RyanMallon/linux-2.6: ep93xx: Remove unnecessary includes of ep93xx-regs.h ep93xx: Move EP93XX_SYSCON defines to SoC private header ep93xx: Move crunch code to mach-ep93xx directory ep93xx: Make syscon access functions private to SoC ep93xx: Configure GPIO ports in core code ep93xx: Move peripheral defines to local SoC header ep93xx: Convert the watchdog driver into a platform device. ep93xx: Use ioremap for backlight driver ep93xx: Move GPIO defines to gpio-ep93xx.h ep93xx: Don't use system controller defines in audio drivers ep93xx: Move PHYS_BASE defines to local SoC header file (update to v3.3-rc7) Conflicts: arch/arm/mach-s3c2440/common.h
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 86cb7e5d83d..787022c1818 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);