diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 1daea0b47187..eeee13842cd0 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -91,8 +91,7 @@ static inline int compressed_bio_size(struct btrfs_root *root, u16 csum_size = btrfs_super_csum_size(root->fs_info->super_copy); return sizeof(struct compressed_bio) + - ((disk_size + root->sectorsize - 1) / root->sectorsize) * - csum_size; + (DIV_ROUND_UP(disk_size, root->sectorsize)) * csum_size; } static struct bio *compressed_bio_alloc(struct block_device *bdev, @@ -615,8 +614,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, cb->compress_type = extent_compress_type(bio_flags); cb->orig_bio = bio; - nr_pages = (compressed_len + PAGE_CACHE_SIZE - 1) / - PAGE_CACHE_SIZE; + nr_pages = DIV_ROUND_UP(compressed_len, PAGE_CACHE_SIZE); cb->compressed_pages = kzalloc(sizeof(struct page *) * nr_pages, GFP_NOFS); if (!cb->compressed_pages) @@ -686,8 +684,8 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, comp_bio, sums); BUG_ON(ret); /* -ENOMEM */ } - sums += (comp_bio->bi_iter.bi_size + - root->sectorsize - 1) / root->sectorsize; + sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size, + root->sectorsize); ret = btrfs_map_bio(root, READ, comp_bio, mirror_num, 0); |