This is a note to let you know that I've just added the patch titled
raid5-ppl: check recovery_offset when performing ppl recovery
to the 4.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
raid5-ppl-check-recovery_offset-when-performing-ppl-recovery.patch
and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From foo@baz Mon Dec 18 13:29:00 CET 2017
From: Artur Paszkiewicz <artur.paszkiewicz@xxxxxxxxx>
Date: Fri, 29 Sep 2017 22:54:19 +0200
Subject: raid5-ppl: check recovery_offset when performing ppl recovery
From: Artur Paszkiewicz <artur.paszkiewicz@xxxxxxxxx>
[ Upstream commit 07719ff767dcd8cc42050f185d332052f3816546 ]
If starting an array that is undergoing rebuild, make ppl recovery honor
the recovery_offset of a member disk and don't read data that is not yet
in-sync.
Signed-off-by: Artur Paszkiewicz <artur.paszkiewicz@xxxxxxxxx>
Signed-off-by: Shaohua Li <shli@xxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/md/raid5-ppl.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -758,7 +758,8 @@ static int ppl_recover_entry(struct ppl_
(unsigned long long)sector);
rdev = conf->disks[dd_idx].rdev;
- if (!rdev) {
+ if (!rdev || (!test_bit(In_sync, &rdev->flags) &&
+ sector >= rdev->recovery_offset)) {
pr_debug("%s:%*s data member disk %d missing\n",
__func__, indent, "", dd_idx);
update_parity = false;
Patches currently in stable-queue which might be from artur.paszkiewicz@xxxxxxxxx are
queue-4.14/raid5-ppl-check-recovery_offset-when-performing-ppl-recovery.patch