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| author | NeilBrown <neilb@suse.de> | 2008-04-30 00:52:28 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:32 -0700 |
| commit | 8377bc808029251c2c0f52116cf87d80291b25bf (patch) | |
| tree | 4cf50fc32d81a6c5f6f98a0503cc05ea924b58eb /drivers/md/md.c | |
| parent | 6a51830e14529063cb2685921e1177d9af50e49a (diff) | |
| download | linux-8377bc808029251c2c0f52116cf87d80291b25bf.tar.gz linux-8377bc808029251c2c0f52116cf87d80291b25bf.tar.bz2 linux-8377bc808029251c2c0f52116cf87d80291b25bf.zip | |
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>
Diffstat (limited to 'drivers/md/md.c')
| -rw-r--r-- | drivers/md/md.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index 11457a28a14c..61767f1962eb 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1652,6 +1652,8 @@ static void md_update_sb(mddev_t * mddev, int force_change) int sync_req; int nospares = 0; + if (mddev->external) + return; repeat: spin_lock_irq(&mddev->write_lock); |