diff options
| author | Liu Bo <bo.li.liu@oracle.com> | 2017-04-03 13:45:24 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-04-18 14:07:26 +0200 |
| commit | 42c61ab6760f5f6929ebf5a73b7e32b9aa51fbd5 (patch) | |
| tree | a497bcc40b6d44e318ec93aad8912db3f2cf0662 | |
| parent | 972d7219398651aaf7ae086b4f17c3416b51c7db (diff) | |
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>
| -rw-r--r-- | fs/btrfs/dev-replace.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/scrub.c | 4 | ||||
| -rw-r--r-- | fs/btrfs/volumes.c | 8 |
3 files changed, 7 insertions, 7 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index 32b2ffbb5717..5fe1ca8abc70 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -667,7 +667,7 @@ void btrfs_dev_replace_status(struct btrfs_fs_info *fs_info, case BTRFS_IOCTL_DEV_REPLACE_STATE_STARTED: case BTRFS_IOCTL_DEV_REPLACE_STATE_SUSPENDED: srcdev = dev_replace->srcdev; - args->status.progress_1000 = div_u64(dev_replace->cursor_left, + args->status.progress_1000 = div64_u64(dev_replace->cursor_left, div_u64(btrfs_device_get_total_bytes(srcdev), 1000)); break; } diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 58c5864bf709..4786eff53011 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2705,7 +2705,7 @@ static int get_raid56_logic_offset(u64 physical, int num, for (i = 0; i < nr_data_stripes(map); i++) { *offset = last_offset + i * map->stripe_len; - stripe_nr = div_u64(*offset, map->stripe_len); + stripe_nr = div64_u64(*offset, map->stripe_len); stripe_nr = div_u64(stripe_nr, nr_data_stripes(map)); /* Work out the disk rotation on this stripe-set */ @@ -3108,7 +3108,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, physical = map->stripes[num].physical; offset = 0; - nstripes = div_u64(length, map->stripe_len); + nstripes = div64_u64(length, map->stripe_len); if (map->type & BTRFS_BLOCK_GROUP_RAID0) { offset = map->stripe_len * num; increment = map->stripe_len * map->num_stripes; 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; |