diff options
author | Artur Paszkiewicz <artur.paszkiewicz@intel.com> | 2017-09-29 23:54:19 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-12-20 12:10:36 +0300 |
commit | 339aba679813ff1fabde362147919d3f6e536568 (patch) | |
tree | 2a49906372ffb62357cdeeceda1867482c0a4113 /drivers/md | |
parent | b197f67ccfeb86d180a152796b5e3b7de1f611ef (diff) | |
download | linux-339aba679813ff1fabde362147919d3f6e536568.tar.xz |
raid5-ppl: check recovery_offset when performing ppl recovery
[ 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@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/md')
-rw-r--r-- | drivers/md/raid5-ppl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c index cd026c88f7ef..702b76008886 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; |