Commit fa104a87 authored Nov 01, 2022 by Filipe Manana Committed by David Sterba Dec 05, 2022

btrfs: constify ulist parameter of ulist_next()

The ulist_next() iterator function does not need to change the given ulist
so make it const. This will allow the next patch in the series to pass a
ulist to a function that does not need, and should not, modify the ulist.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

parent 1baea6f1

fs/btrfs/ulist.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -266,7 +266,7 @@ int ulist_del(struct ulist *ulist, u64 val, u64 aux)
		* It is allowed to call ulist_add during an enumeration. Newly added items
		* are guaranteed to show up in the running enumeration.
		*/
		struct ulist_node ulist_next(struct ulist ulist, struct ulist_iterator *uiter)
		struct ulist_node ulist_next(const struct ulist ulist, struct ulist_iterator *uiter)
		{
		struct ulist_node *node;

fs/btrfs/ulist.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -66,7 +66,7 @@ static inline int ulist_add_merge_ptr(struct ulist ulist, u64 val, void aux,
		#endif
		}

		struct ulist_node ulist_next(struct ulist ulist,
		struct ulist_node ulist_next(const struct ulist ulist,
		struct ulist_iterator *uiter);

		#define ULIST_ITER_INIT(uiter) ((uiter)->cur_list = NULL)