diff options
Diffstat (limited to 'fs/btrfs/file-item.c')
| -rw-r--r-- | fs/btrfs/file-item.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index c828f971a346..6bb9fa961a6a 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -118,7 +118,7 @@ int btrfs_inode_clear_file_extent_range(struct btrfs_inode *inode, u64 start, if (btrfs_fs_incompat(inode->root->fs_info, NO_HOLES)) return 0; return clear_extent_bit(&inode->file_extent_tree, start, - start + len - 1, EXTENT_DIRTY, 0, 0, NULL); + start + len - 1, EXTENT_DIRTY, NULL); } static inline u32 max_ordered_sum_bytes(struct btrfs_fs_info *fs_info, @@ -129,12 +129,20 @@ static inline u32 max_ordered_sum_bytes(struct btrfs_fs_info *fs_info, return ncsums * fs_info->sectorsize; } -int btrfs_insert_file_extent(struct btrfs_trans_handle *trans, +/* + * Calculate the total size needed to allocate for an ordered sum structure + * spanning @bytes in the file. + */ +static int btrfs_ordered_sum_size(struct btrfs_fs_info *fs_info, unsigned long bytes) +{ + int num_sectors = (int)DIV_ROUND_UP(bytes, fs_info->sectorsize); + + return sizeof(struct btrfs_ordered_sum) + num_sectors * fs_info->csum_size; +} + +int btrfs_insert_hole_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, - u64 objectid, u64 pos, - u64 disk_offset, u64 disk_num_bytes, - u64 num_bytes, u64 offset, u64 ram_bytes, - u8 compression, u8 encryption, u16 other_encoding) + u64 objectid, u64 pos, u64 num_bytes) { int ret = 0; struct btrfs_file_extent_item *item; @@ -157,16 +165,16 @@ int btrfs_insert_file_extent(struct btrfs_trans_handle *trans, leaf = path->nodes[0]; item = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); - btrfs_set_file_extent_disk_bytenr(leaf, item, disk_offset); - btrfs_set_file_extent_disk_num_bytes(leaf, item, disk_num_bytes); - btrfs_set_file_extent_offset(leaf, item, offset); + btrfs_set_file_extent_disk_bytenr(leaf, item, 0); + btrfs_set_file_extent_disk_num_bytes(leaf, item, 0); + btrfs_set_file_extent_offset(leaf, item, 0); btrfs_set_file_extent_num_bytes(leaf, item, num_bytes); - btrfs_set_file_extent_ram_bytes(leaf, item, ram_bytes); + btrfs_set_file_extent_ram_bytes(leaf, item, num_bytes); btrfs_set_file_extent_generation(leaf, item, trans->transid); btrfs_set_file_extent_type(leaf, item, BTRFS_FILE_EXTENT_REG); - btrfs_set_file_extent_compression(leaf, item, compression); - btrfs_set_file_extent_encryption(leaf, item, encryption); - btrfs_set_file_extent_other_encoding(leaf, item, other_encoding); + btrfs_set_file_extent_compression(leaf, item, 0); + btrfs_set_file_extent_encryption(leaf, item, 0); + btrfs_set_file_extent_other_encoding(leaf, item, 0); btrfs_mark_buffer_dirty(leaf); out: @@ -503,7 +511,8 @@ blk_status_t btrfs_lookup_bio_sums(struct inode *inode, struct bio *bio, u8 *dst } int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end, - struct list_head *list, int search_commit) + struct list_head *list, int search_commit, + bool nowait) { struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_key key; @@ -525,6 +534,7 @@ int btrfs_lookup_csums_range(struct btrfs_root *root, u64 start, u64 end, if (!path) return -ENOMEM; + path->nowait = nowait; if (search_commit) { path->skip_locking = 1; path->reada = READA_FORWARD; |