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[174.109.172.136]) by smtp.gmail.com with ESMTPSA id o13sm14876938qko.48.2020.08.10.08.43.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Aug 2020 08:43:18 -0700 (PDT) From: Josef Bacik To: linux-btrfs@vger.kernel.org, kernel-team@fb.com Subject: [PATCH 17/17] btrfs: rip out path->leave_spinning Date: Mon, 10 Aug 2020 11:42:42 -0400 Message-Id: <20200810154242.782802-18-josef@toxicpanda.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200810154242.782802-1-josef@toxicpanda.com> References: <20200810154242.782802-1-josef@toxicpanda.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org We no longer distinguish between blocking and spinning, so rip out all of this code. Signed-off-by: Josef Bacik --- fs/btrfs/backref.c | 3 --- fs/btrfs/ctree.c | 3 --- fs/btrfs/ctree.h | 1 - fs/btrfs/delayed-inode.c | 4 ---- fs/btrfs/dir-item.c | 1 - fs/btrfs/export.c | 1 - fs/btrfs/extent-tree.c | 8 -------- fs/btrfs/extent_io.c | 1 - fs/btrfs/file-item.c | 4 ---- fs/btrfs/free-space-tree.c | 2 -- fs/btrfs/inode-item.c | 6 ------ fs/btrfs/inode.c | 12 ------------ fs/btrfs/ioctl.c | 1 - fs/btrfs/qgroup.c | 2 -- fs/btrfs/reflink.c | 3 --- fs/btrfs/super.c | 2 -- fs/btrfs/tests/qgroup-tests.c | 4 ---- 17 files changed, 58 deletions(-) diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 5b994d4377d6..9635c9368b39 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -1658,13 +1658,11 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, s64 bytes_left = ((s64)size) - 1; struct extent_buffer *eb = eb_in; struct btrfs_key found_key; - int leave_spinning = path->leave_spinning; struct btrfs_inode_ref *iref; if (bytes_left >= 0) dest[bytes_left] = '\0'; - path->leave_spinning = 1; while (1) { bytes_left -= name_len; if (bytes_left >= 0) @@ -1708,7 +1706,6 @@ char *btrfs_ref_to_path(struct btrfs_root *fs_root, struct btrfs_path *path, } btrfs_release_path(path); - path->leave_spinning = leave_spinning; if (ret) return ERR_PTR(ret); diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 45215eaee492..3481de544d29 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -5227,7 +5227,6 @@ int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path, struct btrfs_key key; u32 nritems; int ret; - int old_spinning = path->leave_spinning; int next_rw_lock = 0; nritems = btrfs_header_nritems(path->nodes[0]); @@ -5242,7 +5241,6 @@ int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path, btrfs_release_path(path); path->keep_locks = 1; - path->leave_spinning = 1; if (time_seq) ret = btrfs_search_old_slot(root, &key, path, time_seq); @@ -5377,7 +5375,6 @@ int btrfs_next_old_leaf(struct btrfs_root *root, struct btrfs_path *path, ret = 0; done: unlock_up(path, 0, 1, 0, NULL); - path->leave_spinning = old_spinning; return ret; } diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index ceecccce6133..0e797ac2e2d6 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -370,7 +370,6 @@ struct btrfs_path { unsigned int search_for_split:1; unsigned int keep_locks:1; unsigned int skip_locking:1; - unsigned int leave_spinning:1; unsigned int search_commit_root:1; unsigned int need_commit_sem:1; unsigned int skip_release_on_error:1; diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index b00b7ed47fc0..1f00daa8671b 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -1149,7 +1149,6 @@ static int __btrfs_run_delayed_items(struct btrfs_trans_handle *trans, int nr) path = btrfs_alloc_path(); if (!path) return -ENOMEM; - path->leave_spinning = 1; block_rsv = trans->block_rsv; trans->block_rsv = &fs_info->delayed_block_rsv; @@ -1214,7 +1213,6 @@ int btrfs_commit_inode_delayed_items(struct btrfs_trans_handle *trans, btrfs_release_delayed_node(delayed_node); return -ENOMEM; } - path->leave_spinning = 1; block_rsv = trans->block_rsv; trans->block_rsv = &delayed_node->root->fs_info->delayed_block_rsv; @@ -1259,7 +1257,6 @@ int btrfs_commit_inode_delayed_inode(struct btrfs_inode *inode) ret = -ENOMEM; goto trans_out; } - path->leave_spinning = 1; block_rsv = trans->block_rsv; trans->block_rsv = &fs_info->delayed_block_rsv; @@ -1328,7 +1325,6 @@ static void btrfs_async_run_delayed_root(struct btrfs_work *work) if (!delayed_node) break; - path->leave_spinning = 1; root = delayed_node->root; trans = btrfs_join_transaction(root); diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index 863367c2c620..98b63ebed539 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -127,7 +127,6 @@ int btrfs_insert_dir_item(struct btrfs_trans_handle *trans, const char *name, path = btrfs_alloc_path(); if (!path) return -ENOMEM; - path->leave_spinning = 1; btrfs_cpu_key_to_disk(&disk_key, location); diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c index 1a8d419d9e1f..1d4c2397d0d6 100644 --- a/fs/btrfs/export.c +++ b/fs/btrfs/export.c @@ -222,7 +222,6 @@ static int btrfs_get_name(struct dentry *parent, char *name, path = btrfs_alloc_path(); if (!path) return -ENOMEM; - path->leave_spinning = 1; if (ino == BTRFS_FIRST_FREE_OBJECTID) { key.objectid = BTRFS_I(inode)->root->root_key.objectid; diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 548ee1742987..c95799af95f1 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -1447,7 +1447,6 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; /* this will setup the path even if it fails to insert the back ref */ ret = insert_inline_extent_backref(trans, path, bytenr, num_bytes, parent, root_objectid, owner, @@ -1471,7 +1470,6 @@ static int __btrfs_inc_extent_ref(struct btrfs_trans_handle *trans, btrfs_mark_buffer_dirty(leaf); btrfs_release_path(path); - path->leave_spinning = 1; /* now insert the actual backref */ if (owner < BTRFS_FIRST_FREE_OBJECTID) { BUG_ON(refs_to_add != 1); @@ -1587,7 +1585,6 @@ static int run_delayed_extent_op(struct btrfs_trans_handle *trans, } again: - path->leave_spinning = 1; ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 1); if (ret < 0) { err = ret; @@ -2959,8 +2956,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; - is_data = owner_objectid >= BTRFS_FIRST_FREE_OBJECTID; BUG_ON(!is_data && refs_to_drop != 1); @@ -3002,7 +2997,6 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, goto out; } btrfs_release_path(path); - path->leave_spinning = 1; key.objectid = bytenr; key.type = BTRFS_EXTENT_ITEM_KEY; @@ -4292,7 +4286,6 @@ static int alloc_reserved_file_extent(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, fs_info->extent_root, path, ins, size); if (ret) { @@ -4377,7 +4370,6 @@ static int alloc_reserved_tree_block(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, fs_info->extent_root, path, &extent_key, size); if (ret) { diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index ab44e696c249..9a2dbae195cd 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -4725,7 +4725,6 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, path = btrfs_alloc_path(); if (!path) return -ENOMEM; - path->leave_spinning = 1; roots = ulist_alloc(GFP_KERNEL); tmp_ulist = ulist_alloc(GFP_KERNEL); diff --git a/fs/btrfs/file-item.c b/fs/btrfs/file-item.c index 7d5ec71615b8..e2eb1037220e 100644 --- a/fs/btrfs/file-item.c +++ b/fs/btrfs/file-item.c @@ -142,7 +142,6 @@ int btrfs_insert_file_extent(struct btrfs_trans_handle *trans, file_key.offset = pos; file_key.type = BTRFS_EXTENT_DATA_KEY; - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, root, path, &file_key, sizeof(*item)); if (ret < 0) @@ -706,7 +705,6 @@ int btrfs_del_csums(struct btrfs_trans_handle *trans, key.offset = end_byte - 1; key.type = BTRFS_EXTENT_CSUM_KEY; - path->leave_spinning = 1; ret = btrfs_search_slot(trans, root, &key, path, -1, 1); if (ret > 0) { if (path->slots[0] == 0) @@ -991,10 +989,8 @@ int btrfs_csum_file_blocks(struct btrfs_trans_handle *trans, } else { ins_size = csum_size; } - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, root, path, &file_key, ins_size); - path->leave_spinning = 0; if (ret < 0) goto out; if (WARN_ON(ret != 0)) diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 8b1f5c8897b7..752891e0d1bb 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -1191,8 +1191,6 @@ static int clear_free_space_tree(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; - key.objectid = 0; key.type = 0; key.offset = 0; diff --git a/fs/btrfs/inode-item.c b/fs/btrfs/inode-item.c index 668701832845..37f36ffdaf6b 100644 --- a/fs/btrfs/inode-item.c +++ b/fs/btrfs/inode-item.c @@ -119,8 +119,6 @@ static int btrfs_del_inode_extref(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; - ret = btrfs_search_slot(trans, root, &key, path, -1, 1); if (ret > 0) ret = -ENOENT; @@ -193,8 +191,6 @@ int btrfs_del_inode_ref(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; - ret = btrfs_search_slot(trans, root, &key, path, -1, 1); if (ret > 0) { ret = -ENOENT; @@ -270,7 +266,6 @@ static int btrfs_insert_inode_extref(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, root, path, &key, ins_len); if (ret == -EEXIST) { @@ -327,7 +322,6 @@ int btrfs_insert_inode_ref(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; path->skip_release_on_error = 1; ret = btrfs_insert_empty_item(trans, root, path, &key, ins_len); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index ca242de7cb69..c51c3faaf962 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -196,7 +196,6 @@ static int insert_inline_extent(struct btrfs_trans_handle *trans, key.type = BTRFS_EXTENT_DATA_KEY; datasize = btrfs_file_extent_calc_inline_size(cur_size); - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, root, path, &key, datasize); if (ret) @@ -2498,7 +2497,6 @@ static int insert_reserved_file_extent(struct btrfs_trans_handle *trans, ins.offset = file_pos; ins.type = BTRFS_EXTENT_DATA_KEY; - path->leave_spinning = 1; ret = btrfs_insert_empty_item(trans, root, path, &ins, sizeof(*stack_fi)); if (ret) @@ -3480,7 +3478,6 @@ static noinline int btrfs_update_inode_item(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; ret = btrfs_lookup_inode(trans, root, path, &BTRFS_I(inode)->location, 1); if (ret) { @@ -3569,7 +3566,6 @@ static int __btrfs_unlink_inode(struct btrfs_trans_handle *trans, goto out; } - path->leave_spinning = 1; di = btrfs_lookup_dir_item(trans, root, path, dir_ino, name, name_len, -1); if (IS_ERR_OR_NULL(di)) { @@ -6025,7 +6021,6 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, goto fail; } - path->leave_spinning = 1; ret = btrfs_insert_empty_items(trans, root, path, key, sizes, nitems); if (ret != 0) goto fail_unlock; @@ -6584,13 +6579,6 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode, /* Chances are we'll be called again, so go ahead and do readahead */ path->reada = READA_FORWARD; - - /* - * Unless we're going to uncompress the inline extent, no sleep would - * happen. - */ - path->leave_spinning = 1; - path->recurse = btrfs_is_free_space_inode(inode); ret = btrfs_lookup_file_extent(NULL, root, path, objectid, start, 0); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index c0d4ab44361d..d2a8326fb096 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -3382,7 +3382,6 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) ret = -ENOMEM; goto out_free; } - path->leave_spinning = 1; trans = btrfs_start_transaction(root, 1); if (IS_ERR(trans)) { diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 0c19d12fb20d..0e24990b6140 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -893,8 +893,6 @@ static int btrfs_clean_quota_tree(struct btrfs_trans_handle *trans, if (!path) return -ENOMEM; - path->leave_spinning = 1; - key.objectid = 0; key.offset = 0; key.type = 0; diff --git a/fs/btrfs/reflink.c b/fs/btrfs/reflink.c index 5cd02514cf4d..fa640bb107f9 100644 --- a/fs/btrfs/reflink.c +++ b/fs/btrfs/reflink.c @@ -347,7 +347,6 @@ static int btrfs_clone(struct inode *src, struct inode *inode, u64 drop_start; /* Note the key will change type as we walk through the tree */ - path->leave_spinning = 1; ret = btrfs_search_slot(NULL, BTRFS_I(src)->root, &key, path, 0, 0); if (ret < 0) @@ -417,7 +416,6 @@ static int btrfs_clone(struct inode *src, struct inode *inode, size); btrfs_release_path(path); - path->leave_spinning = 0; memcpy(&new_key, &key, sizeof(new_key)); new_key.objectid = btrfs_ino(BTRFS_I(inode)); @@ -531,7 +529,6 @@ static int btrfs_clone(struct inode *src, struct inode *inode, * mixing buffered and direct IO writes against this file. */ btrfs_release_path(path); - path->leave_spinning = 0; ret = btrfs_punch_hole_range(inode, path, last_dest_end, destoff + len - 1, NULL, &trans); diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 53639de3a064..99fbc25f667b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1126,7 +1126,6 @@ char *btrfs_get_subvol_name_from_objectid(struct btrfs_fs_info *fs_info, ret = -ENOMEM; goto err; } - path->leave_spinning = 1; name = kmalloc(PATH_MAX, GFP_KERNEL); if (!name) { @@ -1255,7 +1254,6 @@ static int get_default_subvol_objectid(struct btrfs_fs_info *fs_info, u64 *objec path = btrfs_alloc_path(); if (!path) return -ENOMEM; - path->leave_spinning = 1; /* * Find the "default" dir item which points to the root item that we diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c index ce1ca8e73c2d..f3137285a9e2 100644 --- a/fs/btrfs/tests/qgroup-tests.c +++ b/fs/btrfs/tests/qgroup-tests.c @@ -36,7 +36,6 @@ static int insert_normal_tree_ref(struct btrfs_root *root, u64 bytenr, return -ENOMEM; } - path->leave_spinning = 1; ret = btrfs_insert_empty_item(&trans, root, path, &ins, size); if (ret) { test_err("couldn't insert ref %d", ret); @@ -86,7 +85,6 @@ static int add_tree_ref(struct btrfs_root *root, u64 bytenr, u64 num_bytes, return -ENOMEM; } - path->leave_spinning = 1; ret = btrfs_search_slot(&trans, root, &key, path, 0, 1); if (ret) { test_err("couldn't find extent ref"); @@ -135,7 +133,6 @@ static int remove_extent_item(struct btrfs_root *root, u64 bytenr, test_std_err(TEST_ALLOC_ROOT); return -ENOMEM; } - path->leave_spinning = 1; ret = btrfs_search_slot(&trans, root, &key, path, -1, 1); if (ret) { @@ -170,7 +167,6 @@ static int remove_extent_ref(struct btrfs_root *root, u64 bytenr, return -ENOMEM; } - path->leave_spinning = 1; ret = btrfs_search_slot(&trans, root, &key, path, 0, 1); if (ret) { test_err("couldn't find extent ref"); -- 2.24.1