Commit 7ae1681e authored by Geliang Tang's avatar Geliang Tang Committed by David Sterba
Browse files

btrfs: use list_for_each_entry_safe in free-space-cache.c 



Use list_for_each_entry_safe() instead of list_for_each_safe() to
simplify the code.

Signed-off-by: default avatarGeliang Tang <geliangtang@163.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent b69f2bef

fs/btrfs/free-space-cache.c

+4 −10
Original line number Diff line number Diff line
@@ -1086,14 +1086,11 @@ write_pinned_extent_entries(struct btrfs_root *root, 
static noinline_for_stack int

write_bitmap_entries(struct btrfs_io_ctl *io_ctl, struct list_head *bitmap_list)

{

	struct list_head *pos, *n;

	struct btrfs_free_space *entry, *next;

	int ret;



	/* Write out the bitmaps */

	list_for_each_safe(pos, n, bitmap_list) {

		struct btrfs_free_space *entry =

			list_entry(pos, struct btrfs_free_space, list);



	list_for_each_entry_safe(entry, next, bitmap_list, list) {

		ret = io_ctl_add_bitmap(io_ctl, entry->bitmap);

		if (ret)

			return -ENOSPC;
@@ -1119,14 +1116,11 @@ static int flush_dirty_cache(struct inode *inode) 
static void noinline_for_stack

cleanup_bitmap_list(struct list_head *bitmap_list)

{

	struct list_head *pos, *n;

	struct btrfs_free_space *entry, *next;



	list_for_each_safe(pos, n, bitmap_list) {

		struct btrfs_free_space *entry =

			list_entry(pos, struct btrfs_free_space, list);

	list_for_each_entry_safe(entry, next, bitmap_list, list)

		list_del_init(&entry->list);

}

}



static void noinline_for_stack

cleanup_write_cache_enospc(struct inode *inode,