| commit | 2ac8740151b082f045e58010eb92560c3a23a0e9 | [log] [tgz] |
|---|---|---|
| author | NeilBrown <neilb@suse.de> | Tue Jun 01 19:37:29 2010 +1000 |
| committer | NeilBrown <neilb@suse.de> | Mon Jul 26 12:53:08 2010 +1000 |
| tree | 39bff686e28f033339c6d1cf47042b6dc1586c2f | |
| parent | 11d8a6e3719519fbc0e2c9d61b6fa931b84bf813 [diff] |
md/raid5: add simple plugging infrastructure. md/raid5 uses the plugging infrastructure provided by the block layer and 'struct request_queue'. However when we plug raid5 under dm there is no request queue so we cannot use that. So create a similar infrastructure that is much lighter weight and use it for raid5. Signed-off-by: NeilBrown <neilb@suse.de>