diff options
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 672a36554363..e97e322c28f0 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -160,8 +160,7 @@ static void btrfs_io_bio_endio_readpage(struct btrfs_io_bio *bio, int err) kfree(bio->csum_allocated); } -static int __btrfs_lookup_bio_sums(struct btrfs_root *root, - struct inode *inode, struct bio *bio, +static int __btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u64 logical_offset, u32 *dst, int dio) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); @@ -304,16 +303,14 @@ next: return 0; } -int btrfs_lookup_bio_sums(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u32 *dst) +int btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u32 *dst) { - return __btrfs_lookup_bio_sums(root, inode, bio, 0, dst, 0); + return __btrfs_lookup_bio_sums(inode, bio, 0, dst, 0); } -int btrfs_lookup_bio_sums_dio(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u64 offset) +int btrfs_lookup_bio_sums_dio(struct inode *inode, struct bio *bio, u64 offset) { - return __btrfs_lookup_bio_sums(root, inode, bio, offset, NULL, 1); + return __btrfs_lookup_bio_sums(inode, bio, offset, NULL, 1); } int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end, @@ -436,8 +433,8 @@ fail: return ret; } -int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, - struct bio *bio, u64 file_start, int contig) +int btrfs_csum_one_bio(struct inode *inode, struct bio *bio, + u64 file_start, int contig) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct btrfs_ordered_sum *sums; @@ -543,12 +540,11 @@ int btrfs_csum_one_bio(struct btrfs_root *root, struct inode *inode, * This calls btrfs_truncate_item with the correct args based on the * overlap, and fixes up the key as required. */ -static noinline void truncate_one_csum(struct btrfs_root *root, +static noinline void truncate_one_csum(struct btrfs_fs_info *fs_info, struct btrfs_path *path, struct btrfs_key *key, u64 bytenr, u64 len) { - struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *leaf; u16 csum_size = btrfs_super_csum_size(fs_info->super_copy); u64 csum_end; @@ -569,7 +565,7 @@ static noinline void truncate_one_csum(struct btrfs_root *root, */ u32 new_size = (bytenr - key->offset) >> blocksize_bits; new_size *= csum_size; - btrfs_truncate_item(root, path, new_size, 1); + btrfs_truncate_item(fs_info, path, new_size, 1); } else if (key->offset >= bytenr && csum_end > end_byte && end_byte > key->offset) { /* @@ -581,7 +577,7 @@ static noinline void truncate_one_csum(struct btrfs_root *root, u32 new_size = (csum_end - end_byte) >> blocksize_bits; new_size *= csum_size; - btrfs_truncate_item(root, path, new_size, 0); + btrfs_truncate_item(fs_info, path, new_size, 0); key->offset = end_byte; btrfs_set_item_key_safe(fs_info, path, key); @@ -698,7 +694,7 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans, key.offset = end_byte - 1; } else { - truncate_one_csum(root, path, &key, bytenr, len); + truncate_one_csum(fs_info, path, &key, bytenr, len); if (key.offset < bytenr) break; } @@ -824,11 +820,11 @@ again: u32 diff; u32 free_space; - if (btrfs_leaf_free_space(root, leaf) < + if (btrfs_leaf_free_space(fs_info, leaf) < sizeof(struct btrfs_item) + csum_size * 2) goto insert; - free_space = btrfs_leaf_free_space(root, leaf) - + free_space = btrfs_leaf_free_space(fs_info, leaf) - sizeof(struct btrfs_item) - csum_size; tmp = sums->len - total_bytes; tmp >>= fs_info->sb->s_blocksize_bits; @@ -844,7 +840,7 @@ again: diff /= csum_size; diff *= csum_size; - btrfs_extend_item(root, path, diff); + btrfs_extend_item(fs_info, path, diff); ret = 0; goto csum; } |