diff options
| author | Liu Bo | 2017-04-03 22:45:24 +0200 |
|---|---|---|
| committer | David Sterba | 2017-04-18 14:07:26 +0200 |
| commit | 42c61ab6760f5f6929ebf5a73b7e32b9aa51fbd5 (patch) | |
| tree | a497bcc40b6d44e318ec93aad8912db3f2cf0662 /fs/btrfs/volumes.c | |
| parent | Btrfs: update scrub_parity to use u64 stripe_len (diff) | |
| download | kernel-qcow2-linux-42c61ab6760f5f6929ebf5a73b7e32b9aa51fbd5.tar.gz kernel-qcow2-linux-42c61ab6760f5f6929ebf5a73b7e32b9aa51fbd5.tar.xz kernel-qcow2-linux-42c61ab6760f5f6929ebf5a73b7e32b9aa51fbd5.zip | |
Btrfs: switch to div64_u64 if with a u64 divisor
This is fixing code pieces where we use div_u64 when passing a u64 divisor.
Cc: David Sterba <dsterba@suse.cz>
Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/volumes.c')
| -rw-r--r-- | fs/btrfs/volumes.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 3b3be8eba776..2a4eada25743 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4816,7 +4816,7 @@ static int __btrfs_alloc_chunk(struct btrfs_trans_handle *trans, stripe_size = div_u64(stripe_size, dev_stripes); /* align to BTRFS_STRIPE_LEN */ - stripe_size = div_u64(stripe_size, raid_stripe_len); + stripe_size = div64_u64(stripe_size, raid_stripe_len); stripe_size *= raid_stripe_len; map = kmalloc(map_lookup_size(num_stripes), GFP_NOFS); @@ -5361,7 +5361,7 @@ static int __btrfs_map_block_for_discard(struct btrfs_fs_info *fs_info, stripe_offset = offset - stripe_nr * stripe_len; stripe_nr_end = round_up(offset + length, map->stripe_len); - stripe_nr_end = div_u64(stripe_nr_end, map->stripe_len); + stripe_nr_end = div64_u64(stripe_nr_end, map->stripe_len); stripe_cnt = stripe_nr_end - stripe_nr; stripe_end_offset = stripe_nr_end * map->stripe_len - (offset + length); @@ -5801,7 +5801,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, (op == BTRFS_MAP_WRITE || op == BTRFS_MAP_GET_READ_MIRRORS || mirror_num > 1)) { /* push stripe_nr back to the start of the full stripe */ - stripe_nr = div_u64(raid56_full_stripe_start, + stripe_nr = div64_u64(raid56_full_stripe_start, stripe_len * nr_data_stripes(map)); /* RAID[56] write or recovery. Return all stripes */ @@ -5998,7 +5998,7 @@ int btrfs_rmap_block(struct btrfs_fs_info *fs_info, continue; stripe_nr = physical - map->stripes[i].physical; - stripe_nr = div_u64(stripe_nr, map->stripe_len); + stripe_nr = div64_u64(stripe_nr, map->stripe_len); if (map->type & BTRFS_BLOCK_GROUP_RAID10) { stripe_nr = stripe_nr * map->num_stripes + i; |