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Commit abad60c6 authored by Liu Bo's avatar Liu Bo Committed by David Sterba
Browse files

Btrfs: fix wrong failed mirror_num of read-repair on raid56 



In raid56 scenario, after trying parity recovery, we didn't set
mirror_num for btrfs_bio with failed mirror_num, hence
end_bio_extent_readpage() will report a random mirror_num in dmesg
log.

Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: default avatarLiu Bo <bo.li.liu@oracle.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 1bcd7aa1

fs/btrfs/raid56.c

+5 −0
Original line number Diff line number Diff line
@@ -2117,6 +2117,11 @@ int raid56_parity_recover(struct btrfs_fs_info *fs_info, struct bio *bio, 
	struct btrfs_raid_bio *rbio;

	int ret;



	if (generic_io) {

		ASSERT(bbio->mirror_num == mirror_num);

		btrfs_io_bio(bio)->mirror_num = mirror_num;

	}



	rbio = alloc_rbio(fs_info, bbio, stripe_len);

	if (IS_ERR(rbio)) {

		if (generic_io)