btrfs: scrub: remove more unused functions

These functions are defined in the scrub.c file, but last callers were
removed in e9255d6c4054 ("btrfs: scrub: remove the old scrub recheck
code").

fs/btrfs/scrub.c:553:20: warning: unused function 'scrub_stripe_index_and_offset'.
fs/btrfs/scrub.c:543:19: warning: unused function 'scrub_nr_raid_mirrors'.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4937
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 265db0c15a4c9cecdc5be26062bfa1b88471659a..d7a14458c4a79c59f800b2a88a5bff722226eee8 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -552,48 +552,6 @@ out:
        btrfs_free_path(path);
 }
 
-static inline int scrub_nr_raid_mirrors(struct btrfs_io_context *bioc)
-{
-       if (bioc->map_type & BTRFS_BLOCK_GROUP_RAID5)
-               return 2;
-       else if (bioc->map_type & BTRFS_BLOCK_GROUP_RAID6)
-               return 3;
-       else
-               return (int)bioc->num_stripes;
-}
-
-static inline void scrub_stripe_index_and_offset(u64 logical, u64 map_type,
-                                                u64 full_stripe_logical,
-                                                int nstripes, int mirror,
-                                                int *stripe_index,
-                                                u64 *stripe_offset)
-{
-       int i;
-
-       if (map_type & BTRFS_BLOCK_GROUP_RAID56_MASK) {
-               const int nr_data_stripes = (map_type & BTRFS_BLOCK_GROUP_RAID5) ?
-                                           nstripes - 1 : nstripes - 2;
-
-               /* RAID5/6 */
-               for (i = 0; i < nr_data_stripes; i++) {
-                       const u64 data_stripe_start = full_stripe_logical +
-                                               (i * BTRFS_STRIPE_LEN);
-
-                       if (logical >= data_stripe_start &&
-                           logical < data_stripe_start + BTRFS_STRIPE_LEN)
-                               break;
-               }
-
-               *stripe_index = i;
-               *stripe_offset = (logical - full_stripe_logical) &
-                                BTRFS_STRIPE_LEN_MASK;
-       } else {
-               /* The other RAID type */
-               *stripe_index = mirror;
-               *stripe_offset = 0;
-       }
-}
-
 static int fill_writer_pointer_gap(struct scrub_ctx *sctx, u64 physical)
 {
        int ret = 0;