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[PATCH] md: make manual repair work for raid1

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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>
This commit is contained in:
NeilBrown 2005-11-08 21:39:38 -08:00 committed by Linus Torvalds
parent f637b9f9fc
commit e5de485f00
1 changed files with 6 additions and 4 deletions
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10
drivers/md/raid1.c
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@ -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();