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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 12:08:19 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-03 12:08:19 -0400
commit223cdea4c4b5af5181b2da00ac85711d1e0c737c (patch)
treedfe7226c70ddabbf2e2e63924ba636345278e79c /drivers/md/raid6recov.c
parent31e6e2dac575c9d21a6ec56ca52ae89086baa705 (diff)
parentc8f517c444e4f9f55b5b5ca202b8404691a35805 (diff)
Merge branch 'for-linus' of git://neil.brown.name/md
* 'for-linus' of git://neil.brown.name/md: (53 commits) md/raid5 revise rules for when to update metadata during reshape md/raid5: minor code cleanups in make_request. md: remove CONFIG_MD_RAID_RESHAPE config option. md/raid5: be more careful about write ordering when reshaping. md: don't display meaningless values in sysfs files resync_start and sync_speed md/raid5: allow layout and chunksize to be changed on active array. md/raid5: reshape using largest of old and new chunk size md/raid5: prepare for allowing reshape to change layout md/raid5: prepare for allowing reshape to change chunksize. md/raid5: clearly differentiate 'before' and 'after' stripes during reshape. Documentation/md.txt update md: allow number of drives in raid5 to be reduced md/raid5: change reshape-progress measurement to cope with reshaping backwards. md: add explicit method to signal the end of a reshape. md/raid5: enhance raid5_size to work correctly with negative delta_disks md/raid5: drop qd_idx from r6_state md/raid6: move raid6 data processing to raid6_pq.ko md: raid5 run(): Fix max_degraded for raid level 4. md: 'array_size' sysfs attribute md: centralize ->array_sectors modifications ...
Diffstat (limited to 'drivers/md/raid6recov.c')
-rw-r--r--drivers/md/raid6recov.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/md/raid6recov.c b/drivers/md/raid6recov.c
index a8c4d9451bd9..2609f00e0d61 100644
--- a/drivers/md/raid6recov.c
+++ b/drivers/md/raid6recov.c
@@ -5,7 +5,7 @@
5 * This program is free software; you can redistribute it and/or modify 5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by 6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, Inc., 53 Temple Place Ste 330, 7 * the Free Software Foundation, Inc., 53 Temple Place Ste 330,
8 * Bostom MA 02111-1307, USA; either version 2 of the License, or 8 * Boston MA 02111-1307, USA; either version 2 of the License, or
9 * (at your option) any later version; incorporated herein by reference. 9 * (at your option) any later version; incorporated herein by reference.
10 * 10 *
11 * ----------------------------------------------------------------------- */ 11 * ----------------------------------------------------------------------- */
@@ -18,7 +18,7 @@
18 * the syndrome.) 18 * the syndrome.)
19 */ 19 */
20 20
21#include "raid6.h" 21#include <linux/raid/pq.h>
22 22
23/* Recover two failed data blocks. */ 23/* Recover two failed data blocks. */
24void raid6_2data_recov(int disks, size_t bytes, int faila, int failb, 24void raid6_2data_recov(int disks, size_t bytes, int faila, int failb,
@@ -63,9 +63,7 @@ void raid6_2data_recov(int disks, size_t bytes, int faila, int failb,
63 p++; q++; 63 p++; q++;
64 } 64 }
65} 65}
66 66EXPORT_SYMBOL_GPL(raid6_2data_recov);
67
68
69 67
70/* Recover failure of one data block plus the P block */ 68/* Recover failure of one data block plus the P block */
71void raid6_datap_recov(int disks, size_t bytes, int faila, void **ptrs) 69void raid6_datap_recov(int disks, size_t bytes, int faila, void **ptrs)
@@ -97,9 +95,10 @@ void raid6_datap_recov(int disks, size_t bytes, int faila, void **ptrs)
97 q++; dq++; 95 q++; dq++;
98 } 96 }
99} 97}
98EXPORT_SYMBOL_GPL(raid6_datap_recov);
100 99
101 100#ifndef __KERNEL__
102#ifndef __KERNEL__ /* Testing only */ 101/* Testing only */
103 102
104/* Recover two failed blocks. */ 103/* Recover two failed blocks. */
105void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, void **ptrs) 104void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, void **ptrs)