diff options
Diffstat (limited to 'fs/btrfs/compression.c')
| -rw-r--r-- | fs/btrfs/compression.c | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 750bae4a46da..7f390849343b 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -85,10 +85,9 @@ static int btrfs_decompress_bio(int type, struct page **pages_in, u64 disk_start, struct bio *orig_bio, size_t srclen); -static inline int compressed_bio_size(struct btrfs_root *root, +static inline int compressed_bio_size(struct btrfs_fs_info *fs_info, unsigned long disk_size) { - struct btrfs_fs_info *fs_info = root->fs_info; u16 csum_size = btrfs_super_csum_size(fs_info->super_copy); return sizeof(struct compressed_bio) + @@ -331,7 +330,6 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct bio *bio = NULL; - struct btrfs_root *root = BTRFS_I(inode)->root; struct compressed_bio *cb; unsigned long bytes_left; struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; @@ -343,7 +341,7 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, int skip_sum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; WARN_ON(start & ((u64)PAGE_SIZE - 1)); - cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS); + cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS); if (!cb) return -ENOMEM; atomic_set(&cb->pending_bios, 0); @@ -398,12 +396,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, BUG_ON(ret); /* -ENOMEM */ if (!skip_sum) { - ret = btrfs_csum_one_bio(root, inode, bio, - start, 1); + ret = btrfs_csum_one_bio(inode, bio, start, 1); BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, bio, 0, 1); + ret = btrfs_map_bio(fs_info, bio, 0, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -433,11 +430,11 @@ int btrfs_submit_compressed_write(struct inode *inode, u64 start, BUG_ON(ret); /* -ENOMEM */ if (!skip_sum) { - ret = btrfs_csum_one_bio(root, inode, bio, start, 1); + ret = btrfs_csum_one_bio(inode, bio, start, 1); BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, bio, 0, 1); + ret = btrfs_map_bio(fs_info, bio, 0, 1); if (ret) { bio->bi_error = ret; bio_endio(bio); @@ -581,7 +578,6 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, struct extent_io_tree *tree; struct extent_map_tree *em_tree; struct compressed_bio *cb; - struct btrfs_root *root = BTRFS_I(inode)->root; unsigned long compressed_len; unsigned long nr_pages; unsigned long pg_index; @@ -609,7 +605,7 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, return -EIO; compressed_len = em->block_len; - cb = kmalloc(compressed_bio_size(root, compressed_len), GFP_NOFS); + cb = kmalloc(compressed_bio_size(fs_info, compressed_len), GFP_NOFS); if (!cb) goto out; @@ -694,14 +690,14 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, atomic_inc(&cb->pending_bios); if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { - ret = btrfs_lookup_bio_sums(root, inode, - comp_bio, sums); + ret = btrfs_lookup_bio_sums(inode, comp_bio, + sums); BUG_ON(ret); /* -ENOMEM */ } sums += DIV_ROUND_UP(comp_bio->bi_iter.bi_size, fs_info->sectorsize); - ret = btrfs_map_bio(root, comp_bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0); if (ret) { comp_bio->bi_error = ret; bio_endio(comp_bio); @@ -726,11 +722,11 @@ int btrfs_submit_compressed_read(struct inode *inode, struct bio *bio, BUG_ON(ret); /* -ENOMEM */ if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) { - ret = btrfs_lookup_bio_sums(root, inode, comp_bio, sums); + ret = btrfs_lookup_bio_sums(inode, comp_bio, sums); BUG_ON(ret); /* -ENOMEM */ } - ret = btrfs_map_bio(root, comp_bio, mirror_num, 0); + ret = btrfs_map_bio(fs_info, comp_bio, mirror_num, 0); if (ret) { comp_bio->bi_error = ret; bio_endio(comp_bio); |