diff options
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/free-space-cache.c | 2 | ||||
| -rw-r--r-- | fs/btrfs/scrub.c | 4 | ||||
| -rw-r--r-- | fs/btrfs/volumes.c | 31 |
4 files changed, 20 insertions, 19 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 4ccc3397c644..5840afe5e5f9 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -8670,7 +8670,7 @@ int btrfs_can_relocate(struct btrfs_root *root, u64 bytenr) min_free <<= 1; } else if (index == BTRFS_RAID_RAID0) { dev_min = fs_devices->rw_devices; - do_div(min_free, dev_min); + min_free = div64_u64(min_free, dev_min); } /* We need to do this so that we can look at pending chunks */ diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 13c9b46d4727..764528a4f6fd 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -1673,7 +1673,7 @@ find_free_space(struct btrfs_free_space_ctl *ctl, u64 *offset, u64 *bytes, */ if (*bytes >= align) { tmp = entry->offset - ctl->start + align - 1; - do_div(tmp, align); + tmp = div64_u64(tmp, align); tmp = tmp * align + ctl->start; align_off = tmp - entry->offset; } else { diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 293262163daf..c21581e0be7a 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -2328,7 +2328,7 @@ static inline void __scrub_mark_bitmap(struct scrub_parity *sparity, } start -= sparity->logic_start; - offset = (int)do_div(start, sparity->stripe_len); + start = div_u64_rem(start, sparity->stripe_len, &offset); offset /= sectorsize; nsectors = (int)len / sectorsize; @@ -2627,7 +2627,7 @@ static int get_raid56_logic_offset(u64 physical, int num, stripe_nr = div_u64(stripe_nr, nr_data_stripes(map)); /* Work out the disk rotation on this stripe-set */ - rot = do_div(stripe_nr, map->num_stripes); + stripe_nr = div_u64_rem(stripe_nr, map->num_stripes, &rot); /* calculate which stripe this data locates */ rot += i; stripe_index = rot % map->num_stripes; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index d712c46c0a6b..bf38ed09810a 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4994,7 +4994,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, * stripe_nr counts the total number of stripes we have to stride * to get to this block */ - do_div(stripe_nr, stripe_len); + stripe_nr = div64_u64(stripe_nr, stripe_len); stripe_offset = stripe_nr * stripe_len; BUG_ON(offset < stripe_offset); @@ -5010,7 +5010,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, /* allow a write of a full stripe, but make sure we don't * allow straddling of stripes */ - do_div(raid56_full_stripe_start, full_stripe_len); + raid56_full_stripe_start = div64_u64(raid56_full_stripe_start, + full_stripe_len); raid56_full_stripe_start *= full_stripe_len; } @@ -5143,7 +5144,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, if (rw & REQ_DISCARD) num_stripes = min_t(u64, map->num_stripes, stripe_nr_end - stripe_nr_orig); - stripe_index = do_div(stripe_nr, map->num_stripes); + stripe_nr = div_u64_rem(stripe_nr, map->num_stripes, + &stripe_index); if (!(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS))) mirror_num = 1; } else if (map->type & BTRFS_BLOCK_GROUP_RAID1) { @@ -5171,7 +5173,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, } else if (map->type & BTRFS_BLOCK_GROUP_RAID10) { int factor = map->num_stripes / map->sub_stripes; - stripe_index = do_div(stripe_nr, factor); + stripe_nr = div_u64_rem(stripe_nr, factor, &stripe_index); stripe_index *= map->sub_stripes; if (rw & (REQ_WRITE | REQ_GET_READ_MIRRORS)) @@ -5208,32 +5210,32 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, stripe_index = 0; stripe_offset = 0; } else { - u64 tmp; - /* * Mirror #0 or #1 means the original data block. * Mirror #2 is RAID5 parity block. * Mirror #3 is RAID6 Q block. */ - stripe_index = do_div(stripe_nr, nr_data_stripes(map)); + stripe_nr = div_u64_rem(stripe_nr, + nr_data_stripes(map), &stripe_index); if (mirror_num > 1) stripe_index = nr_data_stripes(map) + mirror_num - 2; /* We distribute the parity blocks across stripes */ - tmp = stripe_nr + stripe_index; - stripe_index = do_div(tmp, map->num_stripes); + div_u64_rem(stripe_nr + stripe_index, map->num_stripes, + &stripe_index); if (!(rw & (REQ_WRITE | REQ_DISCARD | REQ_GET_READ_MIRRORS)) && mirror_num <= 1) mirror_num = 1; } } else { /* - * after this do_div call, stripe_nr is the number of stripes - * on this device we have to walk to find the data, and - * stripe_index is the number of our device in the stripe array + * after this, stripe_nr is the number of stripes on this + * device we have to walk to find the data, and stripe_index is + * the number of our device in the stripe array */ - stripe_index = do_div(stripe_nr, map->num_stripes); + stripe_nr = div_u64_rem(stripe_nr, map->num_stripes, + &stripe_index); mirror_num = stripe_index + 1; } BUG_ON(stripe_index >= map->num_stripes); @@ -5268,8 +5270,7 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw, sizeof(int) * tgtdev_indexes); /* Work out the disk rotation on this stripe-set */ - tmp = stripe_nr; - rot = do_div(tmp, num_stripes); + div_u64_rem(stripe_nr, num_stripes, &rot); /* Fill in the logical address of each stripe */ tmp = stripe_nr * nr_data_stripes(map); |