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btrfs: add mask for all RAID1 types

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Preparatory patch for additional RAID1 profiles with more copies. The
mask will contain 3-copy and 4-copy, most of the checks for plain RAID1
work the same for the other profiles.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2019-05-31 15:39:31 +02:00
parent e88439debd
commit c7369b3fae
4 changed files with 11 additions and 9 deletions
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2
fs/btrfs/scrub.c
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@@ -3091,7 +3091,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
offset = map->stripe_len * (num / map->sub_stripes);
increment = map->stripe_len * factor;
mirror_num = num % map->sub_stripes + 1;
} else if (map->type & BTRFS_BLOCK_GROUP_RAID1) {
} else if (map->type & BTRFS_BLOCK_GROUP_RAID1_MASK) {
increment = map->stripe_len;
mirror_num = num % map->num_stripes + 1;
} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {