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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: Geliang Tang <geliangtang@163.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Geliang Tang 2015-12-18 22:17:00 +08:00 committed by David Sterba
parent b69f2bef48
commit 7ae1681e12
1 changed files with 4 additions and 10 deletions
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14
fs/btrfs/free-space-cache.c
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@ -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;
@ -1119,13 +1116,10 @@ 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