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md: allow setting newly added device to 'in_sync' via sysfs. 

When adding devices to an active array via sysfs, there is currently
no way to mark a device as 'in-sync' which is useful when
incrementally assembling an array.

So add that option.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2009-04-14 12:01:57 +10:00
parent 63fe08177f
commit 6d56e27844
1 changed files with 5 additions and 1 deletions
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6
drivers/md/md.c
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@ -2086,6 +2086,7 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
* -writemostly - clears write_mostly
* blocked - sets the Blocked flag
* -blocked - clears the Blocked flag
* insync - sets Insync providing device isn't active
*/
int err = -EINVAL;
if (cmd_match(buf, "faulty") && rdev->mddev->pers) {
@ -2117,6 +2118,9 @@ state_store(mdk_rdev_t *rdev, const char *buf, size_t len)
set_bit(MD_RECOVERY_NEEDED, &rdev->mddev->recovery);
md_wakeup_thread(rdev->mddev->thread);
err = 0;
} else if (cmd_match(buf, "insync") && rdev->raid_disk == -1) {
set_bit(In_sync, &rdev->flags);
err = 0;
}
if (!err && rdev->sysfs_state)
@ -2190,7 +2194,7 @@ slot_store(mdk_rdev_t *rdev, const char *buf, size_t len)
} else if (rdev->mddev->pers) {
mdk_rdev_t *rdev2;
/* Activating a spare .. or possibly reactivating
* if we every get bitmaps working here.
* if we ever get bitmaps working here.
*/
if (rdev->raid_disk != -1)