Commit 8377bc80 authored Apr 30, 2008 by NeilBrown Committed by Linus Torvalds Apr 30, 2008

md: skip all metadata update processing when using external metadata.

All the metadata update processing for external metadata is on in user-space
or through the sysfs interfaces, so make "md_update_sb" a no-op in that case.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 6a51830e

drivers/md/md.c

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1652,6 +1652,8 @@ static void md_update_sb(mddev_t * mddev, int force_change)
	int sync_req;		int sync_req;
	int nospares = 0;		int nospares = 0;

			if (mddev->external)
			return;
	repeat:		repeat:
	spin_lock_irq(&mddev->write_lock);		spin_lock_irq(&mddev->write_lock);