Commit 07719ff7 authored Sep 29, 2017 by Artur Paszkiewicz Committed by Shaohua Li Oct 16, 2017

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>

parent 611426e2

drivers/md/raid5-ppl.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -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;