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authorNeilBrown <neilb@suse.de>2005-11-08 21:39:38 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:56:39 -0800
commite5de485f00d6e6c15f487869faaf999c708f69b1 (patch)
tree16e7648ba0ebf602597a6a0973813d606f749bde /drivers/md/raid1.c
parentf637b9f9fc195e4f4635faf495fd8b462c21b411 (diff)
[PATCH] md: make manual repair work for raid1
Raid1 currently optimises resync using the intent bitmap etc. This optimisation is not wanted when we explicitly request a repair through sysfs, so add appropriate checks. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/md/raid1.c')
-rw-r--r--drivers/md/raid1.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 1cbf51fbd43..2da9d3ba902 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1310,7 +1310,7 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
* This call the bitmap_start_sync doesn't actually record anything
*/
if (!bitmap_start_sync(mddev->bitmap, sector_nr, &sync_blocks, 1) &&
- !conf->fullsync) {
+ !conf->fullsync && !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
/* We can skip this block, and probably several more */
*skipped = 1;
return sync_blocks;
@@ -1387,7 +1387,8 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
still_degraded = 1;
continue;
} else if (!test_bit(In_sync, &conf->mirrors[i].rdev->flags) ||
- sector_nr + RESYNC_SECTORS > mddev->recovery_cp) {
+ sector_nr + RESYNC_SECTORS > mddev->recovery_cp ||
+ test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
bio->bi_rw = WRITE;
bio->bi_end_io = end_sync_write;
write_targets ++;
@@ -1421,8 +1422,9 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
break;
if (sync_blocks == 0) {
if (!bitmap_start_sync(mddev->bitmap, sector_nr,
- &sync_blocks, still_degraded) &&
- !conf->fullsync)
+ &sync_blocks, still_degraded) &&
+ !conf->fullsync &&
+ !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery))
break;
if (sync_blocks < (PAGE_SIZE>>9))
BUG();