diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 47 |
1 files changed, 28 insertions, 19 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 34fe8a58b0e9..7e85dca0e6f2 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -754,6 +754,7 @@ int __btrfs_drop_extents(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info = root->fs_info; struct extent_buffer *leaf; struct btrfs_file_extent_item *fi; + struct btrfs_ref ref = { 0 }; struct btrfs_key key; struct btrfs_key new_key; u64 ino = btrfs_ino(BTRFS_I(inode)); @@ -909,11 +910,14 @@ next_slot: btrfs_mark_buffer_dirty(leaf); if (update_refs && disk_bytenr > 0) { - ret = btrfs_inc_extent_ref(trans, root, - disk_bytenr, num_bytes, 0, + btrfs_init_generic_ref(&ref, + BTRFS_ADD_DELAYED_REF, + disk_bytenr, num_bytes, 0); + btrfs_init_data_ref(&ref, root->root_key.objectid, new_key.objectid, start - extent_offset); + ret = btrfs_inc_extent_ref(trans, &ref); BUG_ON(ret); /* -ENOMEM */ } key.offset = start; @@ -993,11 +997,14 @@ delete_extent_item: extent_end = ALIGN(extent_end, fs_info->sectorsize); } else if (update_refs && disk_bytenr > 0) { - ret = btrfs_free_extent(trans, root, - disk_bytenr, num_bytes, 0, + btrfs_init_generic_ref(&ref, + BTRFS_DROP_DELAYED_REF, + disk_bytenr, num_bytes, 0); + btrfs_init_data_ref(&ref, root->root_key.objectid, - key.objectid, key.offset - - extent_offset); + key.objectid, + key.offset - extent_offset); + ret = btrfs_free_extent(trans, &ref); BUG_ON(ret); /* -ENOMEM */ inode_sub_bytes(inode, extent_end - key.offset); @@ -1025,7 +1032,7 @@ delete_extent_item: continue; } - BUG_ON(1); + BUG(); } if (!ret && del_nr > 0) { @@ -1050,7 +1057,7 @@ delete_extent_item: if (!ret && replace_extent && leafs_visited == 1 && (path->locks[0] == BTRFS_WRITE_LOCK_BLOCKING || path->locks[0] == BTRFS_WRITE_LOCK) && - btrfs_leaf_free_space(fs_info, leaf) >= + btrfs_leaf_free_space(leaf) >= sizeof(struct btrfs_item) + extent_item_size) { key.objectid = ino; @@ -1142,6 +1149,7 @@ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, struct extent_buffer *leaf; struct btrfs_path *path; struct btrfs_file_extent_item *fi; + struct btrfs_ref ref = { 0 }; struct btrfs_key key; struct btrfs_key new_key; u64 bytenr; @@ -1287,9 +1295,11 @@ again: extent_end - split); btrfs_mark_buffer_dirty(leaf); - ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, - 0, root->root_key.objectid, - ino, orig_offset); + btrfs_init_generic_ref(&ref, BTRFS_ADD_DELAYED_REF, bytenr, + num_bytes, 0); + btrfs_init_data_ref(&ref, root->root_key.objectid, ino, + orig_offset); + ret = btrfs_inc_extent_ref(trans, &ref); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -1311,6 +1321,9 @@ again: other_start = end; other_end = 0; + btrfs_init_generic_ref(&ref, BTRFS_DROP_DELAYED_REF, bytenr, + num_bytes, 0); + btrfs_init_data_ref(&ref, root->root_key.objectid, ino, orig_offset); if (extent_mergeable(leaf, path->slots[0] + 1, ino, bytenr, orig_offset, &other_start, &other_end)) { @@ -1321,9 +1334,7 @@ again: extent_end = other_end; del_slot = path->slots[0] + 1; del_nr++; - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, - 0, root->root_key.objectid, - ino, orig_offset); + ret = btrfs_free_extent(trans, &ref); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -1341,9 +1352,7 @@ again: key.offset = other_start; del_slot = path->slots[0]; del_nr++; - ret = btrfs_free_extent(trans, root, bytenr, num_bytes, - 0, root->root_key.objectid, - ino, orig_offset); + ret = btrfs_free_extent(trans, &ref); if (ret) { btrfs_abort_transaction(trans, ret); goto out; @@ -2165,7 +2174,6 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) inode_unlock(inode); goto out; } - trans->sync = true; ret = btrfs_log_dentry_safe(trans, dentry, start, end, &ctx); if (ret < 0) { @@ -3132,6 +3140,7 @@ static long btrfs_fallocate(struct file *file, int mode, ret = btrfs_qgroup_reserve_data(inode, &data_reserved, cur_offset, last_byte - cur_offset); if (ret < 0) { + cur_offset = last_byte; free_extent_map(em); break; } @@ -3181,7 +3190,7 @@ out: /* Let go of our reservation. */ if (ret != 0 && !(mode & FALLOC_FL_ZERO_RANGE)) btrfs_free_reserved_data_space(inode, data_reserved, - alloc_start, alloc_end - cur_offset); + cur_offset, alloc_end - cur_offset); extent_changeset_free(data_reserved); return ret; } |