diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 8b353ad02f03..d2158c4d6b24 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -2561,8 +2561,7 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, */ spin_lock(&delayed_refs->lock); avg = fs_info->avg_delayed_ref_runtime * 3 + runtime; - avg = div64_u64(avg, 4); - fs_info->avg_delayed_ref_runtime = avg; + fs_info->avg_delayed_ref_runtime = avg >> 2; /* div by 4 */ spin_unlock(&delayed_refs->lock); } return 0; @@ -2624,7 +2623,7 @@ static inline u64 heads_to_leaves(struct btrfs_root *root, u64 heads) * We don't ever fill up leaves all the way so multiply by 2 just to be * closer to what we're really going to want to ouse. */ - return div64_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(root)); + return div_u64(num_bytes, BTRFS_LEAF_DATA_SIZE(root)); } int btrfs_check_space_for_delayed_refs(struct btrfs_trans_handle *trans, @@ -3193,7 +3192,7 @@ static int cache_save_setup(struct btrfs_block_group_cache *block_group, struct inode *inode = NULL; u64 alloc_hint = 0; int dcs = BTRFS_DC_ERROR; - int num_pages = 0; + u64 num_pages = 0; int retries = 0; int ret = 0; @@ -3293,7 +3292,7 @@ again: * taking up quite a bit since it's not folded into the other space * cache. */ - num_pages = (int)div64_u64(block_group->key.offset, 256 * 1024 * 1024); + num_pages = div_u64(block_group->key.offset, 256 * 1024 * 1024); if (!num_pages) num_pages = 1; @@ -4812,10 +4811,10 @@ static u64 calc_global_metadata_size(struct btrfs_fs_info *fs_info) num_bytes = (data_used >> fs_info->sb->s_blocksize_bits) * csum_size * 2; - num_bytes += div64_u64(data_used + meta_used, 50); + num_bytes += div_u64(data_used + meta_used, 50); if (num_bytes * 3 > meta_used) - num_bytes = div64_u64(meta_used, 3); + num_bytes = div_u64(meta_used, 3); return ALIGN(num_bytes, fs_info->extent_root->nodesize << 10); } @@ -5075,16 +5074,16 @@ static u64 calc_csum_metadata_size(struct inode *inode, u64 num_bytes, BTRFS_I(inode)->csum_bytes == 0) return 0; - old_csums = (int)div64_u64(BTRFS_I(inode)->csum_bytes, root->sectorsize); + old_csums = (int)div_u64(BTRFS_I(inode)->csum_bytes, root->sectorsize); if (reserve) BTRFS_I(inode)->csum_bytes += num_bytes; else BTRFS_I(inode)->csum_bytes -= num_bytes; csum_size = BTRFS_LEAF_DATA_SIZE(root) - sizeof(struct btrfs_item); - num_csums_per_leaf = (int)div64_u64(csum_size, + num_csums_per_leaf = (int)div_u64(csum_size, sizeof(struct btrfs_csum_item) + sizeof(struct btrfs_disk_key)); - num_csums = (int)div64_u64(BTRFS_I(inode)->csum_bytes, root->sectorsize); + num_csums = (int)div_u64(BTRFS_I(inode)->csum_bytes, root->sectorsize); num_csums = num_csums + num_csums_per_leaf - 1; num_csums = num_csums / num_csums_per_leaf; @@ -8720,7 +8719,7 @@ 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 */ |