| From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 4.4 068/101] md/raid10: skip spare disk as 'first' disk | Date | Thu, 8 Mar 2018 05:02:00 +0000 |
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From: Shaohua Li <shli@fb.com>
[ Upstream commit b506335e5d2b4ec687dde392a3bdbf7601778f1d ]
Commit 6f287ca(md/raid10: reset the 'first' at the end of loop) ignores a case in reshape, the first rdev could be a spare disk, which shouldn't be accounted as the first disk since it doesn't include the offset info.
Fix: 6f287ca(md/raid10: reset the 'first' at the end of loop) Cc: Guoqing Jiang <gqjiang@suse.com> Cc: NeilBrown <neilb@suse.com> Signed-off-by: Shaohua Li <shli@fb.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- drivers/md/raid10.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 05548af8df6f..3a0d557146c7 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4044,6 +4044,7 @@ static int raid10_start_reshape(struct mddev *mddev) diff = 0; if (first || diff < min_offset_diff) min_offset_diff = diff; + first = 0; } } -- 2.14.1
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