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author | Ruan Jinjie <ruanjinjie@huawei.com> | 2023-08-10 05:00:22 +0200 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2023-08-21 14:54:46 +0200 |
commit | 84af994b85b89ae405b8ea930653543bc5b864d3 (patch) | |
tree | 31e462d652433af7046ba2d284c1da90ab4d5ff7 /fs/btrfs | |
parent | btrfs: handle errors properly in update_inline_extent_backref() (diff) | |
download | linux-84af994b85b89ae405b8ea930653543bc5b864d3.tar.xz linux-84af994b85b89ae405b8ea930653543bc5b864d3.zip |
btrfs: use LIST_HEAD() to initialize the list_head
Use LIST_HEAD() to initialize the list_head instead of open-coding it.
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to '')
-rw-r--r-- | fs/btrfs/disk-io.c | 12 | ||||
-rw-r--r-- | fs/btrfs/file.c | 3 | ||||
-rw-r--r-- | fs/btrfs/inode.c | 17 | ||||
-rw-r--r-- | fs/btrfs/ordered-data.c | 4 | ||||
-rw-r--r-- | fs/btrfs/send.c | 6 | ||||
-rw-r--r-- | fs/btrfs/tree-log.c | 4 |
6 files changed, 13 insertions, 33 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 5022a3fd778d..48faf9c968d0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -4554,9 +4554,7 @@ static void btrfs_destroy_ordered_extents(struct btrfs_root *root) static void btrfs_destroy_all_ordered_extents(struct btrfs_fs_info *fs_info) { struct btrfs_root *root; - struct list_head splice; - - INIT_LIST_HEAD(&splice); + LIST_HEAD(splice); spin_lock(&fs_info->ordered_root_lock); list_splice_init(&fs_info->ordered_roots, &splice); @@ -4662,9 +4660,7 @@ static void btrfs_destroy_delayed_refs(struct btrfs_transaction *trans, static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root) { struct btrfs_inode *btrfs_inode; - struct list_head splice; - - INIT_LIST_HEAD(&splice); + LIST_HEAD(splice); spin_lock(&root->delalloc_lock); list_splice_init(&root->delalloc_inodes, &splice); @@ -4697,9 +4693,7 @@ static void btrfs_destroy_delalloc_inodes(struct btrfs_root *root) static void btrfs_destroy_all_delalloc_inodes(struct btrfs_fs_info *fs_info) { struct btrfs_root *root; - struct list_head splice; - - INIT_LIST_HEAD(&splice); + LIST_HEAD(splice); spin_lock(&fs_info->delalloc_root_lock); list_splice_init(&fs_info->delalloc_roots, &splice); diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index fd03e689a6be..6edad7b9a5d3 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -3018,7 +3018,7 @@ static long btrfs_fallocate(struct file *file, int mode, struct extent_changeset *data_reserved = NULL; struct falloc_range *range; struct falloc_range *tmp; - struct list_head reserve_list; + LIST_HEAD(reserve_list); u64 cur_offset; u64 last_byte; u64 alloc_start; @@ -3110,7 +3110,6 @@ static long btrfs_fallocate(struct file *file, int mode, btrfs_assert_inode_range_clean(BTRFS_I(inode), alloc_start, locked_end); /* First, check if we exceed the qgroup limit */ - INIT_LIST_HEAD(&reserve_list); while (cur_offset < alloc_end) { em = btrfs_get_extent(BTRFS_I(inode), NULL, 0, cur_offset, alloc_end - cur_offset); diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 431007e443a8..f2ab27084cc4 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -5861,8 +5861,8 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) struct btrfs_key found_key; struct btrfs_path *path; void *addr; - struct list_head ins_list; - struct list_head del_list; + LIST_HEAD(ins_list); + LIST_HEAD(del_list); int ret; char *name_ptr; int name_len; @@ -5881,8 +5881,6 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx) addr = private->filldir_buf; path->reada = READA_FORWARD; - INIT_LIST_HEAD(&ins_list); - INIT_LIST_HEAD(&del_list); put = btrfs_readdir_get_delayed_items(inode, private->last_index, &ins_list, &del_list); @@ -9244,14 +9242,11 @@ static int start_delalloc_inodes(struct btrfs_root *root, struct btrfs_inode *binode; struct inode *inode; struct btrfs_delalloc_work *work, *next; - struct list_head works; - struct list_head splice; + LIST_HEAD(works); + LIST_HEAD(splice); int ret = 0; bool full_flush = wbc->nr_to_write == LONG_MAX; - INIT_LIST_HEAD(&works); - INIT_LIST_HEAD(&splice); - mutex_lock(&root->delalloc_mutex); spin_lock(&root->delalloc_lock); list_splice_init(&root->delalloc_inodes, &splice); @@ -9339,14 +9334,12 @@ int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, long nr, .range_end = LLONG_MAX, }; struct btrfs_root *root; - struct list_head splice; + LIST_HEAD(splice); int ret; if (BTRFS_FS_ERROR(fs_info)) return -EROFS; - INIT_LIST_HEAD(&splice); - mutex_lock(&fs_info->delalloc_root_mutex); spin_lock(&fs_info->delalloc_root_lock); list_splice_init(&fs_info->delalloc_roots, &splice); diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 109e80ed25b6..b46ab348e8e5 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -740,11 +740,9 @@ void btrfs_wait_ordered_roots(struct btrfs_fs_info *fs_info, u64 nr, const u64 range_start, const u64 range_len) { struct btrfs_root *root; - struct list_head splice; + LIST_HEAD(splice); u64 done; - INIT_LIST_HEAD(&splice); - mutex_lock(&fs_info->ordered_operations_mutex); spin_lock(&fs_info->ordered_root_lock); list_splice_init(&fs_info->ordered_roots, &splice); diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 8bfd44750efe..3a566150c531 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -3685,7 +3685,7 @@ static void tail_append_pending_moves(struct send_ctx *sctx, static int apply_children_dir_moves(struct send_ctx *sctx) { struct pending_dir_move *pm; - struct list_head stack; + LIST_HEAD(stack); u64 parent_ino = sctx->cur_ino; int ret = 0; @@ -3693,7 +3693,6 @@ static int apply_children_dir_moves(struct send_ctx *sctx) if (!pm) return 0; - INIT_LIST_HEAD(&stack); tail_append_pending_moves(sctx, pm, &stack); while (!list_empty(&stack)) { @@ -4165,7 +4164,7 @@ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) int ret = 0; struct recorded_ref *cur; struct recorded_ref *cur2; - struct list_head check_dirs; + LIST_HEAD(check_dirs); struct fs_path *valid_path = NULL; u64 ow_inode = 0; u64 ow_gen; @@ -4184,7 +4183,6 @@ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) * which is always '..' */ BUG_ON(sctx->cur_ino <= BTRFS_FIRST_FREE_OBJECTID); - INIT_LIST_HEAD(&check_dirs); valid_path = fs_path_alloc(); if (!valid_path) { diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index 8ad7e7e38d18..b9229c08164f 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -4841,13 +4841,11 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans, struct btrfs_ordered_extent *ordered; struct btrfs_ordered_extent *tmp; struct extent_map *em, *n; - struct list_head extents; + LIST_HEAD(extents); struct extent_map_tree *tree = &inode->extent_tree; int ret = 0; int num = 0; - INIT_LIST_HEAD(&extents); - write_lock(&tree->lock); list_for_each_entry_safe(em, n, &tree->modified_extents, list) { |