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Commit 6d56e278 authored by NeilBrown's avatar NeilBrown
Browse files

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: default avatarNeilBrown <neilb@suse.de>
parent 63fe0817

drivers/md/md.c

+5 −1
Original line number Diff line number Diff line
@@ -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)