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authorArtur Paszkiewicz <artur.paszkiewicz@intel.com>2017-09-29 22:54:19 +0200
committerShaohua Li <shli@fb.com>2017-10-16 19:06:34 -0700
commit07719ff767dcd8cc42050f185d332052f3816546 (patch)
treea52816ee10590641fa161d379f28cfaa605bdbf6 /drivers/md/raid5-ppl.c
parent611426e2737235cf05e1b8f27d2502b96a5e05d9 (diff)
raid5-ppl: check recovery_offset when performing ppl recovery
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@intel.com> Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md/raid5-ppl.c')
-rw-r--r--drivers/md/raid5-ppl.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 76d6245427b8..628c0bf7b9fd 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -758,7 +758,8 @@ static int ppl_recover_entry(struct ppl_log *log, struct ppl_header_entry *e,
(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;