Commit b9cb105e authored by Jiapeng Chong's avatar Jiapeng Chong Committed by David Sterba
Browse files

btrfs: scrub: remove more unused functions 



These functions are defined in the scrub.c file, but last callers were
removed in e9255d6c ("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: default avatarAbaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4937


Signed-off-by: default avatarJiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent b7f9945a

fs/btrfs/scrub.c

+0 −42
Original line number Diff line number Diff line
@@ -552,48 +552,6 @@ static void scrub_print_common_warning(const char *errstr, struct btrfs_device * 
	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;