diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 316136bd6dd7eb3899bcf060c3e0bd749f674310..bcd0bd85e3ede4c0e672afe74317e4cccfea1706 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -41,7 +41,6 @@ static void del_ptr(struct btrfs_root *root, struct btrfs_path *path, int level, int slot); static void tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, struct extent_buffer *eb); -static int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path); struct btrfs_path *btrfs_alloc_path(void) { @@ -4817,7 +4816,7 @@ int btrfs_del_items(struct btrfs_trans_handle *trans, struct btrfs_root *root, * This may release the path, and so you may lose any locks held at the * time you call it. */ -static int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path) +int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path) { struct btrfs_key key; struct btrfs_disk_key found_key; diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 54ab86127f7af49500f6a0bf2bf4b63cd6074c40..8be78f7d57e13ea96399b0194fa741f18985e306 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -521,6 +521,7 @@ struct btrfs_super_block { #define BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF (1ULL << 6) #define BTRFS_FEATURE_INCOMPAT_RAID56 (1ULL << 7) #define BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA (1ULL << 8) +#define BTRFS_FEATURE_INCOMPAT_NO_HOLES (1ULL << 9) #define BTRFS_FEATURE_COMPAT_SUPP 0ULL #define BTRFS_FEATURE_COMPAT_RO_SUPP 0ULL @@ -532,7 +533,8 @@ struct btrfs_super_block { BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \ BTRFS_FEATURE_INCOMPAT_RAID56 | \ BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \ - BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA) + BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA | \ + BTRFS_FEATURE_INCOMPAT_NO_HOLES) /* * A leaf is full of items. offset and size tell us where to find @@ -3399,6 +3401,7 @@ static inline int btrfs_insert_empty_item(struct btrfs_trans_handle *trans, } int btrfs_next_leaf(struct btrfs_root *root, struct btrfs_path *path); +int btrfs_prev_leaf(struct btrfs_root *root, struct btrfs_path *path); int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path, u64 time_seq); static inline int btrfs_next_old_item(struct btrfs_root *root, diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 82d0342763c54d652982d2818ab3b9b7f8ffc1ec..c77da440146a09e2ce671b5d22b69a321e839d28 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1963,11 +1963,13 @@ static int fill_holes(struct btrfs_trans_handle *trans, struct inode *inode, struct btrfs_key key; int ret; + if (btrfs_fs_incompat(root->fs_info, NO_HOLES)) + goto out; + key.objectid = btrfs_ino(inode); key.type = BTRFS_EXTENT_DATA_KEY; key.offset = offset; - ret = btrfs_search_slot(trans, root, &key, path, 0, 1); if (ret < 0) return ret; @@ -2064,8 +2066,10 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) u64 drop_end; int ret = 0; int err = 0; + int rsv_count; bool same_page = ((offset >> PAGE_CACHE_SHIFT) == ((offset + len - 1) >> PAGE_CACHE_SHIFT)); + bool no_holes = btrfs_fs_incompat(root->fs_info, NO_HOLES); ret = btrfs_wait_ordered_range(inode, offset, len); if (ret) @@ -2163,9 +2167,10 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) /* * 1 - update the inode * 1 - removing the extents in the range - * 1 - adding the hole extent + * 1 - adding the hole extent if no_holes isn't set */ - trans = btrfs_start_transaction(root, 3); + rsv_count = no_holes ? 2 : 3; + trans = btrfs_start_transaction(root, rsv_count); if (IS_ERR(trans)) { err = PTR_ERR(trans); goto out_free; @@ -2202,7 +2207,7 @@ static int btrfs_punch_hole(struct inode *inode, loff_t offset, loff_t len) btrfs_end_transaction(trans, root); btrfs_btree_balance_dirty(root); - trans = btrfs_start_transaction(root, 3); + trans = btrfs_start_transaction(root, rsv_count); if (IS_ERR(trans)) { ret = PTR_ERR(trans); trans = NULL; diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index f1a77449d032b1fbd481eb16cd232653e5bfbefa..c0c0dc8f07fab6eb94bf4b0c9d7c8444a724fbf8 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4203,6 +4203,49 @@ int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len, return ret; } +static int maybe_insert_hole(struct btrfs_root *root, struct inode *inode, + u64 offset, u64 len) +{ + struct btrfs_trans_handle *trans; + int ret; + + /* + * Still need to make sure the inode looks like it's been updated so + * that any holes get logged if we fsync. + */ + if (btrfs_fs_incompat(root->fs_info, NO_HOLES)) { + BTRFS_I(inode)->last_trans = root->fs_info->generation; + BTRFS_I(inode)->last_sub_trans = root->log_transid; + BTRFS_I(inode)->last_log_commit = root->last_log_commit; + return 0; + } + + /* + * 1 - for the one we're dropping + * 1 - for the one we're adding + * 1 - for updating the inode. + */ + trans = btrfs_start_transaction(root, 3); + if (IS_ERR(trans)) + return PTR_ERR(trans); + + ret = btrfs_drop_extents(trans, root, inode, offset, offset + len, 1); + if (ret) { + btrfs_abort_transaction(trans, root, ret); + btrfs_end_transaction(trans, root); + return ret; + } + + ret = btrfs_insert_file_extent(trans, root, btrfs_ino(inode), offset, + 0, 0, len, 0, len, 0, 0, 0); + if (ret) + btrfs_abort_transaction(trans, root, ret); + else + btrfs_update_inode(trans, root, inode); + btrfs_end_transaction(trans, root); + return ret; +} + /* * This function puts in dummy file extents for the area we're creating a hole * for. So if we are truncating this file to a larger size we need to insert @@ -4211,7 +4254,6 @@ int btrfs_truncate_page(struct inode *inode, loff_t from, loff_t len, */ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) { - struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(inode)->root; struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree; struct extent_map *em = NULL; @@ -4266,31 +4308,10 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) struct extent_map *hole_em; hole_size = last_byte - cur_offset; - trans = btrfs_start_transaction(root, 3); - if (IS_ERR(trans)) { - err = PTR_ERR(trans); - break; - } - - err = btrfs_drop_extents(trans, root, inode, - cur_offset, - cur_offset + hole_size, 1); - if (err) { - btrfs_abort_transaction(trans, root, err); - btrfs_end_transaction(trans, root); - break; - } - - err = btrfs_insert_file_extent(trans, root, - btrfs_ino(inode), cur_offset, 0, - 0, hole_size, 0, hole_size, - 0, 0, 0); - if (err) { - btrfs_abort_transaction(trans, root, err); - btrfs_end_transaction(trans, root); + err = maybe_insert_hole(root, inode, cur_offset, + hole_size); + if (err) break; - } - btrfs_drop_extent_cache(inode, cur_offset, cur_offset + hole_size - 1, 0); hole_em = alloc_extent_map(); @@ -4309,7 +4330,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) hole_em->ram_bytes = hole_size; hole_em->bdev = root->fs_info->fs_devices->latest_bdev; hole_em->compress_type = BTRFS_COMPRESS_NONE; - hole_em->generation = trans->transid; + hole_em->generation = root->fs_info->generation; while (1) { write_lock(&em_tree->lock); @@ -4322,17 +4343,14 @@ int btrfs_cont_expand(struct inode *inode, loff_t oldsize, loff_t size) hole_size - 1, 0); } free_extent_map(hole_em); -next: - btrfs_update_inode(trans, root, inode); - btrfs_end_transaction(trans, root); } +next: free_extent_map(em); em = NULL; cur_offset = last_byte; if (cur_offset >= block_end) break; } - free_extent_map(em); unlock_extent_cached(io_tree, hole_start, block_end - 1, &cached_state, GFP_NOFS); diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 945d1db98f26968ec051a6ff6116f971f18e7303..29803b4129fc299652fd301c4d1888642a74636c 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -111,6 +111,7 @@ struct send_ctx { int cur_inode_deleted; u64 cur_inode_size; u64 cur_inode_mode; + u64 cur_inode_last_extent; u64 send_progress; @@ -145,6 +146,13 @@ struct name_cache_entry { char name[]; }; +static int need_send_hole(struct send_ctx *sctx) +{ + return (sctx->parent_root && !sctx->cur_inode_new && + !sctx->cur_inode_new_gen && !sctx->cur_inode_deleted && + S_ISREG(sctx->cur_inode_mode)); +} + static void fs_path_reset(struct fs_path *p) { if (p->reversed) { @@ -3752,6 +3760,39 @@ static int send_update_extent(struct send_ctx *sctx, return ret; } +static int send_hole(struct send_ctx *sctx, u64 end) +{ + struct fs_path *p = NULL; + u64 offset = sctx->cur_inode_last_extent; + u64 len; + int ret = 0; + + p = fs_path_alloc(); + if (!p) + return -ENOMEM; + memset(sctx->read_buf, 0, BTRFS_SEND_READ_SIZE); + while (offset < end) { + len = min_t(u64, end - offset, BTRFS_SEND_READ_SIZE); + + ret = begin_cmd(sctx, BTRFS_SEND_C_WRITE); + if (ret < 0) + break; + ret = get_cur_path(sctx, sctx->cur_ino, sctx->cur_inode_gen, p); + if (ret < 0) + break; + TLV_PUT_PATH(sctx, BTRFS_SEND_A_PATH, p); + TLV_PUT_U64(sctx, BTRFS_SEND_A_FILE_OFFSET, offset); + TLV_PUT(sctx, BTRFS_SEND_A_DATA, sctx->read_buf, len); + ret = send_cmd(sctx); + if (ret < 0) + break; + offset += len; + } +tlv_put_failure: + fs_path_free(p); + return ret; +} + static int send_write_or_clone(struct send_ctx *sctx, struct btrfs_path *path, struct btrfs_key *key, @@ -3979,6 +4020,84 @@ static int is_extent_unchanged(struct send_ctx *sctx, return ret; } +static int get_last_extent(struct send_ctx *sctx, u64 offset) +{ + struct btrfs_path *path; + struct btrfs_root *root = sctx->send_root; + struct btrfs_file_extent_item *fi; + struct btrfs_key key; + u64 extent_end; + u8 type; + int ret; + + path = alloc_path_for_send(); + if (!path) + return -ENOMEM; + + sctx->cur_inode_last_extent = 0; + + key.objectid = sctx->cur_ino; + key.type = BTRFS_EXTENT_DATA_KEY; + key.offset = offset; + ret = btrfs_search_slot_for_read(root, &key, path, 0, 1); + if (ret < 0) + goto out; + ret = 0; + btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]); + if (key.objectid != sctx->cur_ino || key.type != BTRFS_EXTENT_DATA_KEY) + goto out; + + fi = btrfs_item_ptr(path->nodes[0], path->slots[0], + struct btrfs_file_extent_item); + type = btrfs_file_extent_type(path->nodes[0], fi); + if (type == BTRFS_FILE_EXTENT_INLINE) { + u64 size = btrfs_file_extent_inline_len(path->nodes[0], fi); + extent_end = ALIGN(key.offset + size, + sctx->send_root->sectorsize); + } else { + extent_end = key.offset + + btrfs_file_extent_num_bytes(path->nodes[0], fi); + } + sctx->cur_inode_last_extent = extent_end; +out: + btrfs_free_path(path); + return ret; +} + +static int maybe_send_hole(struct send_ctx *sctx, struct btrfs_path *path, + struct btrfs_key *key) +{ + struct btrfs_file_extent_item *fi; + u64 extent_end; + u8 type; + int ret = 0; + + if (sctx->cur_ino != key->objectid || !need_send_hole(sctx)) + return 0; + + if (sctx->cur_inode_last_extent == (u64)-1) { + ret = get_last_extent(sctx, key->offset - 1); + if (ret) + return ret; + } + + fi = btrfs_item_ptr(path->nodes[0], path->slots[0], + struct btrfs_file_extent_item); + type = btrfs_file_extent_type(path->nodes[0], fi); + if (type == BTRFS_FILE_EXTENT_INLINE) { + u64 size = btrfs_file_extent_inline_len(path->nodes[0], fi); + extent_end = ALIGN(key->offset + size, + sctx->send_root->sectorsize); + } else { + extent_end = key->offset + + btrfs_file_extent_num_bytes(path->nodes[0], fi); + } + if (sctx->cur_inode_last_extent < key->offset) + ret = send_hole(sctx, key->offset); + sctx->cur_inode_last_extent = extent_end; + return ret; +} + static int process_extent(struct send_ctx *sctx, struct btrfs_path *path, struct btrfs_key *key) @@ -3995,7 +4114,7 @@ static int process_extent(struct send_ctx *sctx, goto out; if (ret) { ret = 0; - goto out; + goto out_hole; } } else { struct btrfs_file_extent_item *ei; @@ -4031,7 +4150,10 @@ static int process_extent(struct send_ctx *sctx, goto out; ret = send_write_or_clone(sctx, path, key, found_clone); - + if (ret) + goto out; +out_hole: + ret = maybe_send_hole(sctx, path, key); out: return ret; } @@ -4157,6 +4279,19 @@ static int finish_inode_if_needed(struct send_ctx *sctx, int at_end) } if (S_ISREG(sctx->cur_inode_mode)) { + if (need_send_hole(sctx)) { + if (sctx->cur_inode_last_extent == (u64)-1) { + ret = get_last_extent(sctx, (u64)-1); + if (ret) + goto out; + } + if (sctx->cur_inode_last_extent < + sctx->cur_inode_size) { + ret = send_hole(sctx, sctx->cur_inode_size); + if (ret) + goto out; + } + } ret = send_truncate(sctx, sctx->cur_ino, sctx->cur_inode_gen, sctx->cur_inode_size); if (ret < 0) @@ -4200,6 +4335,7 @@ static int changed_inode(struct send_ctx *sctx, sctx->cur_ino = key->objectid; sctx->cur_inode_new_gen = 0; + sctx->cur_inode_last_extent = (u64)-1; /* * Set send_progress to current inode. This will tell all get_cur_xxx @@ -4480,14 +4616,18 @@ static int changed_cb(struct btrfs_root *left_root, struct send_ctx *sctx = ctx; if (result == BTRFS_COMPARE_TREE_SAME) { - if (key->type != BTRFS_INODE_REF_KEY && - key->type != BTRFS_INODE_EXTREF_KEY) - return 0; - ret = compare_refs(sctx, left_path, key); - if (!ret) + if (key->type == BTRFS_INODE_REF_KEY || + key->type == BTRFS_INODE_EXTREF_KEY) { + ret = compare_refs(sctx, left_path, key); + if (!ret) + return 0; + if (ret < 0) + return ret; + } else if (key->type == BTRFS_EXTENT_DATA_KEY) { + return maybe_send_hole(sctx, left_path, key); + } else { return 0; - if (ret < 0) - return ret; + } result = BTRFS_COMPARE_TREE_CHANGED; ret = 0; } diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 9f7fc51ca334864b72336e127d786047dfb1f5de..e7d7a837512a0b04f9e32d8d3e2fbd7f7d07ede6 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3194,7 +3194,7 @@ static int log_inode_item(struct btrfs_trans_handle *trans, static noinline int copy_items(struct btrfs_trans_handle *trans, struct inode *inode, struct btrfs_path *dst_path, - struct extent_buffer *src, + struct btrfs_path *src_path, u64 *last_extent, int start_slot, int nr, int inode_only) { unsigned long src_offset; @@ -3202,6 +3202,8 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, struct btrfs_root *log = BTRFS_I(inode)->root->log_root; struct btrfs_file_extent_item *extent; struct btrfs_inode_item *inode_item; + struct extent_buffer *src = src_path->nodes[0]; + struct btrfs_key first_key, last_key, key; int ret; struct btrfs_key *ins_keys; u32 *ins_sizes; @@ -3209,6 +3211,9 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, int i; struct list_head ordered_sums; int skip_csum = BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM; + bool has_extents = false; + bool need_find_last_extent = (*last_extent == 0); + bool done = false; INIT_LIST_HEAD(&ordered_sums); @@ -3217,6 +3222,8 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, if (!ins_data) return -ENOMEM; + first_key.objectid = (u64)-1; + ins_sizes = (u32 *)ins_data; ins_keys = (struct btrfs_key *)(ins_data + nr * sizeof(u32)); @@ -3237,6 +3244,9 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, src_offset = btrfs_item_ptr_offset(src, start_slot + i); + if ((i == (nr - 1))) + last_key = ins_keys[i]; + if (ins_keys[i].type == BTRFS_INODE_ITEM_KEY) { inode_item = btrfs_item_ptr(dst_path->nodes[0], dst_path->slots[0], @@ -3248,6 +3258,21 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, src_offset, ins_sizes[i]); } + /* + * We set need_find_last_extent here in case we know we were + * processing other items and then walk into the first extent in + * the inode. If we don't hit an extent then nothing changes, + * we'll do the last search the next time around. + */ + if (ins_keys[i].type == BTRFS_EXTENT_DATA_KEY) { + has_extents = true; + if (need_find_last_extent && + first_key.objectid == (u64)-1) + first_key = ins_keys[i]; + } else { + need_find_last_extent = false; + } + /* take a reference on file data extents so that truncates * or deletes of this inode don't have to relog the inode * again @@ -3312,6 +3337,126 @@ static noinline int copy_items(struct btrfs_trans_handle *trans, list_del(&sums->list); kfree(sums); } + + if (!has_extents) + return ret; + + /* + * Because we use btrfs_search_forward we could skip leaves that were + * not modified and then assume *last_extent is valid when it really + * isn't. So back up to the previous leaf and read the end of the last + * extent before we go and fill in holes. + */ + if (need_find_last_extent) { + u64 len; + + ret = btrfs_prev_leaf(BTRFS_I(inode)->root, src_path); + if (ret < 0) + return ret; + if (ret) + goto fill_holes; + if (src_path->slots[0]) + src_path->slots[0]--; + src = src_path->nodes[0]; + btrfs_item_key_to_cpu(src, &key, src_path->slots[0]); + if (key.objectid != btrfs_ino(inode) || + key.type != BTRFS_EXTENT_DATA_KEY) + goto fill_holes; + extent = btrfs_item_ptr(src, src_path->slots[0], + struct btrfs_file_extent_item); + if (btrfs_file_extent_type(src, extent) == + BTRFS_FILE_EXTENT_INLINE) { + len = btrfs_file_extent_inline_len(src, extent); + *last_extent = ALIGN(key.offset + len, + log->sectorsize); + } else { + len = btrfs_file_extent_num_bytes(src, extent); + *last_extent = key.offset + len; + } + } +fill_holes: + /* So we did prev_leaf, now we need to move to the next leaf, but a few + * things could have happened + * + * 1) A merge could have happened, so we could currently be on a leaf + * that holds what we were copying in the first place. + * 2) A split could have happened, and now not all of the items we want + * are on the same leaf. + * + * So we need to adjust how we search for holes, we need to drop the + * path and re-search for the first extent key we found, and then walk + * forward until we hit the last one we copied. + */ + if (need_find_last_extent) { + /* btrfs_prev_leaf could return 1 without releasing the path */ + btrfs_release_path(src_path); + ret = btrfs_search_slot(NULL, BTRFS_I(inode)->root, &first_key, + src_path, 0, 0); + if (ret < 0) + return ret; + ASSERT(ret == 0); + src = src_path->nodes[0]; + i = src_path->slots[0]; + } else { + i = start_slot; + } + + /* + * Ok so here we need to go through and fill in any holes we may have + * to make sure that holes are punched for those areas in case they had + * extents previously. + */ + while (!done) { + u64 offset, len; + u64 extent_end; + + if (i >= btrfs_header_nritems(src_path->nodes[0])) { + ret = btrfs_next_leaf(BTRFS_I(inode)->root, src_path); + if (ret < 0) + return ret; + ASSERT(ret == 0); + src = src_path->nodes[0]; + i = 0; + } + + btrfs_item_key_to_cpu(src, &key, i); + if (!btrfs_comp_cpu_keys(&key, &last_key)) + done = true; + if (key.objectid != btrfs_ino(inode) || + key.type != BTRFS_EXTENT_DATA_KEY) { + i++; + continue; + } + extent = btrfs_item_ptr(src, i, struct btrfs_file_extent_item); + if (btrfs_file_extent_type(src, extent) == + BTRFS_FILE_EXTENT_INLINE) { + len = btrfs_file_extent_inline_len(src, extent); + extent_end = ALIGN(key.offset + len, log->sectorsize); + } else { + len = btrfs_file_extent_num_bytes(src, extent); + extent_end = key.offset + len; + } + i++; + + if (*last_extent == key.offset) { + *last_extent = extent_end; + continue; + } + offset = *last_extent; + len = key.offset - *last_extent; + ret = btrfs_insert_file_extent(trans, log, btrfs_ino(inode), + offset, 0, 0, len, 0, len, 0, + 0, 0); + if (ret) + break; + *last_extent = offset + len; + } + /* + * Need to let the callers know we dropped the path so they should + * re-search. + */ + if (!ret && need_find_last_extent) + ret = 1; return ret; } @@ -3630,6 +3775,7 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, struct btrfs_key max_key; struct btrfs_root *log = root->log_root; struct extent_buffer *src = NULL; + u64 last_extent = 0; int err = 0; int ret; int nritems; @@ -3745,11 +3891,15 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, goto next_slot; } - ret = copy_items(trans, inode, dst_path, src, ins_start_slot, - ins_nr, inode_only); - if (ret) { + ret = copy_items(trans, inode, dst_path, path, &last_extent, + ins_start_slot, ins_nr, inode_only); + if (ret < 0) { err = ret; goto out_unlock; + } if (ret) { + ins_nr = 0; + btrfs_release_path(path); + continue; } ins_nr = 1; ins_start_slot = path->slots[0]; @@ -3763,13 +3913,14 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, goto again; } if (ins_nr) { - ret = copy_items(trans, inode, dst_path, src, - ins_start_slot, + ret = copy_items(trans, inode, dst_path, path, + &last_extent, ins_start_slot, ins_nr, inode_only); - if (ret) { + if (ret < 0) { err = ret; goto out_unlock; } + ret = 0; ins_nr = 0; } btrfs_release_path(path); @@ -3784,12 +3935,13 @@ static int btrfs_log_inode(struct btrfs_trans_handle *trans, } } if (ins_nr) { - ret = copy_items(trans, inode, dst_path, src, ins_start_slot, - ins_nr, inode_only); - if (ret) { + ret = copy_items(trans, inode, dst_path, path, &last_extent, + ins_start_slot, ins_nr, inode_only); + if (ret < 0) { err = ret; goto out_unlock; } + ret = 0; ins_nr = 0; }