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>
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@ -1086,14 +1086,11 @@ write_pinned_extent_entries(struct btrfs_root *root,
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static noinline_for_stack int
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write_bitmap_entries(struct btrfs_io_ctl *io_ctl, struct list_head *bitmap_list)
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{
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struct list_head *pos, *n;
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struct btrfs_free_space *entry, *next;
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int ret;
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/* Write out the bitmaps */
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list_for_each_safe(pos, n, bitmap_list) {
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struct btrfs_free_space *entry =
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list_entry(pos, struct btrfs_free_space, list);
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list_for_each_entry_safe(entry, next, bitmap_list, list) {
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ret = io_ctl_add_bitmap(io_ctl, entry->bitmap);
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if (ret)
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return -ENOSPC;
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@ -1119,13 +1116,10 @@ static int flush_dirty_cache(struct inode *inode)
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static void noinline_for_stack
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cleanup_bitmap_list(struct list_head *bitmap_list)
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{
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struct list_head *pos, *n;
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struct btrfs_free_space *entry, *next;
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list_for_each_safe(pos, n, bitmap_list) {
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struct btrfs_free_space *entry =
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list_entry(pos, struct btrfs_free_space, list);
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list_for_each_entry_safe(entry, next, bitmap_list, list)
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list_del_init(&entry->list);
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}
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}
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static void noinline_for_stack
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