diff options
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r-- | fs/btrfs/extent-tree.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 601d7d45d..cadacf643 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -95,8 +95,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 parent, u64 root_objectid, u64 flags, struct btrfs_disk_key *key, - int level, struct btrfs_key *ins, - int no_quota); + int level, struct btrfs_key *ins); static int do_chunk_alloc(struct btrfs_trans_handle *trans, struct btrfs_root *extent_root, u64 flags, int force); @@ -2009,8 +2008,7 @@ int btrfs_discard_extent(struct btrfs_root *root, u64 bytenr, int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u64 num_bytes, u64 parent, - u64 root_objectid, u64 owner, u64 offset, - int no_quota) + u64 root_objectid, u64 owner, u64 offset) { int ret; struct btrfs_fs_info *fs_info = root->fs_info; @@ -2022,12 +2020,12 @@ int btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, ret = btrfs_add_delayed_tree_ref(fs_info, trans, bytenr, num_bytes, parent, root_objectid, (int)owner, - BTRFS_ADD_DELAYED_REF, NULL, no_quota); + BTRFS_ADD_DELAYED_REF, NULL); } else { ret = btrfs_add_delayed_data_ref(fs_info, trans, bytenr, num_bytes, parent, root_objectid, owner, offset, - BTRFS_ADD_DELAYED_REF, NULL, no_quota); + BTRFS_ADD_DELAYED_REF, NULL); } return ret; } @@ -2048,15 +2046,11 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, u64 num_bytes = node->num_bytes; u64 refs; int ret; - int no_quota = node->no_quota; path = btrfs_alloc_path(); if (!path) return -ENOMEM; - if (!is_fstree(root_objectid) || !root->fs_info->quota_enabled) - no_quota = 1; - path->reada = 1; path->leave_spinning = 1; /* this will setup the path even if it fails to insert the back ref */ @@ -2291,8 +2285,7 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, parent, ref_root, extent_op->flags_to_set, &extent_op->key, - ref->level, &ins, - node->no_quota); + ref->level, &ins); } else if (node->action == BTRFS_ADD_DELAYED_REF) { ret = __btrfs_inc_extent_ref(trans, root, node, parent, ref_root, @@ -2433,7 +2426,21 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, } } + /* + * We need to try and merge add/drops of the same ref since we + * can run into issues with relocate dropping the implicit ref + * and then it being added back again before the drop can + * finish. If we merged anything we need to re-loop so we can + * get a good ref. + * Or we can get node references of the same type that weren't + * merged when created due to bumps in the tree mod seq, and + * we need to merge them to prevent adding an inline extent + * backref before dropping it (triggering a BUG_ON at + * insert_inline_extent_backref()). + */ spin_lock(&locked_ref->lock); + btrfs_merge_delayed_refs(trans, fs_info, delayed_refs, + locked_ref); /* * locked_ref is the head node, so we have to go one @@ -3109,7 +3116,7 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, int level; int ret = 0; int (*process_func)(struct btrfs_trans_handle *, struct btrfs_root *, - u64, u64, u64, u64, u64, u64, int); + u64, u64, u64, u64, u64, u64); if (btrfs_test_is_dummy_root(root)) @@ -3150,15 +3157,14 @@ static int __btrfs_mod_ref(struct btrfs_trans_handle *trans, key.offset -= btrfs_file_extent_offset(buf, fi); ret = process_func(trans, root, bytenr, num_bytes, parent, ref_root, key.objectid, - key.offset, 1); + key.offset); if (ret) goto fail; } else { bytenr = btrfs_node_blockptr(buf, i); num_bytes = root->nodesize; ret = process_func(trans, root, bytenr, num_bytes, - parent, ref_root, level - 1, 0, - 1); + parent, ref_root, level - 1, 0); if (ret) goto fail; } @@ -6233,7 +6239,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, int extent_slot = 0; int found_extent = 0; int num_to_del = 1; - int no_quota = node->no_quota; u32 item_size; u64 refs; u64 bytenr = node->bytenr; @@ -6242,9 +6247,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, bool skinny_metadata = btrfs_fs_incompat(root->fs_info, SKINNY_METADATA); - if (!info->quota_enabled || !is_fstree(root_objectid)) - no_quota = 1; - path = btrfs_alloc_path(); if (!path) return -ENOMEM; @@ -6570,7 +6572,7 @@ void btrfs_free_tree_block(struct btrfs_trans_handle *trans, buf->start, buf->len, parent, root->root_key.objectid, btrfs_header_level(buf), - BTRFS_DROP_DELAYED_REF, NULL, 0); + BTRFS_DROP_DELAYED_REF, NULL); BUG_ON(ret); /* -ENOMEM */ } @@ -6618,7 +6620,7 @@ out: /* Can return -ENOMEM */ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 bytenr, u64 num_bytes, u64 parent, u64 root_objectid, - u64 owner, u64 offset, int no_quota) + u64 owner, u64 offset) { int ret; struct btrfs_fs_info *fs_info = root->fs_info; @@ -6641,13 +6643,13 @@ int btrfs_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root *root, ret = btrfs_add_delayed_tree_ref(fs_info, trans, bytenr, num_bytes, parent, root_objectid, (int)owner, - BTRFS_DROP_DELAYED_REF, NULL, no_quota); + BTRFS_DROP_DELAYED_REF, NULL); } else { ret = btrfs_add_delayed_data_ref(fs_info, trans, bytenr, num_bytes, parent, root_objectid, owner, offset, BTRFS_DROP_DELAYED_REF, - NULL, no_quota); + NULL); } return ret; } @@ -7429,8 +7431,7 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root, u64 parent, u64 root_objectid, u64 flags, struct btrfs_disk_key *key, - int level, struct btrfs_key *ins, - int no_quota) + int level, struct btrfs_key *ins) { int ret; struct btrfs_fs_info *fs_info = root->fs_info; @@ -7520,7 +7521,7 @@ int btrfs_alloc_reserved_file_extent(struct btrfs_trans_handle *trans, ret = btrfs_add_delayed_data_ref(root->fs_info, trans, ins->objectid, ins->offset, 0, root_objectid, owner, offset, - BTRFS_ADD_DELAYED_EXTENT, NULL, 0); + BTRFS_ADD_DELAYED_EXTENT, NULL); return ret; } @@ -7734,7 +7735,7 @@ struct extent_buffer *btrfs_alloc_tree_block(struct btrfs_trans_handle *trans, ins.objectid, ins.offset, parent, root_objectid, level, BTRFS_ADD_DELAYED_EXTENT, - extent_op, 0); + extent_op); if (ret) goto out_free_delayed; } @@ -8282,7 +8283,7 @@ skip: } } ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent, - root->root_key.objectid, level - 1, 0, 0); + root->root_key.objectid, level - 1, 0); BUG_ON(ret); /* -ENOMEM */ } btrfs_tree_unlock(next); |