From ab7a30c7051ee32d0d72415fe0a16d60eba38a0d Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Tue, 21 Jun 2005 17:17:23 -0700 Subject: [PATCH] [PATCH] md: fix bug when raid1 attempts a partial reconstruct. The logic here is wrong. if fullsync is 0, it WILL BUG. Signed-off-by: Neil Brown Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/md/raid1.c | 17 ++++++++++------- 1 file changed, 10 insertions(+), 7 deletions(-) diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 0fd4c3bfc851..9d9acc3e51a7 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1237,13 +1237,16 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i len = (max_sector - sector_nr) << 9; if (len == 0) break; - if (!conf->fullsync && sync_blocks == 0) - if (!bitmap_start_sync(mddev->bitmap, - sector_nr, &sync_blocks)) - break; - if (sync_blocks < (PAGE_SIZE>>9)) - BUG(); - if (len > (sync_blocks<<9)) len = sync_blocks<<9; + if (!conf->fullsync) { + if (sync_blocks == 0) { + if (!bitmap_start_sync(mddev->bitmap, + sector_nr, &sync_blocks)) + break; + if (sync_blocks < (PAGE_SIZE>>9)) + BUG(); + if (len > (sync_blocks<<9)) len = sync_blocks<<9; + } + } for (i=0 ; i < conf->raid_disks; i++) { bio = r1_bio->bios[i];