summaryrefslogtreecommitdiff
path: root/fs/btrfs/scrub.c
diff options
context:
space:
mode:
authorDavid Sterba <dsterba@suse.com>2019-11-28 15:37:46 +0100
committerDavid Sterba <dsterba@suse.com>2021-06-21 15:19:06 +0200
commit7735cd755b590f34a2b019a0a980dd56493a4d65 (patch)
tree2e8c994d5f3cdca98006da92dce96404bbfbe64d /fs/btrfs/scrub.c
parent1aeb6b563aea18cd55c73cf666d1d3245a00f08c (diff)
btrfs: scrub: factor out common scrub_stripe constraints
There are common values set for the stripe constraints, some of them are already factored out. Do that for increment and mirror_num as well. Reviewed-by: Qu Wenruo <wqu@suse.com> Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/scrub.c')
-rw-r--r--fs/btrfs/scrub.c9
1 files changed, 2 insertions, 7 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 518415d0c122..5839ad1e25a2 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3204,28 +3204,23 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx,
physical = map->stripes[num].physical;
offset = 0;
nstripes = div64_u64(length, map->stripe_len);
+ mirror_num = 1;
+ increment = map->stripe_len;
if (map->type & BTRFS_BLOCK_GROUP_RAID0) {
offset = map->stripe_len * num;
increment = map->stripe_len * map->num_stripes;
- mirror_num = 1;
} else if (map->type & BTRFS_BLOCK_GROUP_RAID10) {
int factor = map->num_stripes / map->sub_stripes;
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_MASK) {
- increment = map->stripe_len;
mirror_num = num % map->num_stripes + 1;
} else if (map->type & BTRFS_BLOCK_GROUP_DUP) {
- increment = map->stripe_len;
mirror_num = num % map->num_stripes + 1;
} else if (map->type & BTRFS_BLOCK_GROUP_RAID56_MASK) {
get_raid56_logic_offset(physical, num, map, &offset, NULL);
increment = map->stripe_len * nr_data_stripes(map);
- mirror_num = 1;
- } else {
- increment = map->stripe_len;
- mirror_num = 1;
}
path = btrfs_alloc_path();