On 7/30/24 13:11, Sughosh Ganu wrote:
Add a function to count the nodes of a list.
This could function could be used in lot of different code locations:
test/boot/expo.c:707 lib/fwu_updates/fwu_mtd.c:64 lib/efi_loader/efi_memory.c:755 lib/efi_loader/efi_boottime.c:2519 fs/yaffs2/yaffs_guts.c:4460 drivers/mtd/ubi/fastmap.c:589 drivers/mtd/ubi/fastmap.c:586 drivers/core/util.c:18 boot/scene.c:85
Reviewed-by: Heinrich Schuchardt xypron.glpk@gmx.de
Taken from linux 6.11-rc1 tag commit 8400291e289e.
Signed-off-by: Sughosh Ganu sughosh.ganu@linaro.org
include/linux/list.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+)
diff --git a/include/linux/list.h b/include/linux/list.h index 6910721c00..0f9d939b05 100644 --- a/include/linux/list.h +++ b/include/linux/list.h @@ -547,6 +547,21 @@ static inline void list_splice_tail_init(struct list_head *list, &pos->member != (head); \ pos = n, n = list_entry(n->member.prev, typeof(*n), member))
+/**
- list_count_nodes - count nodes in the list
- @head: the head for your list.
- */
+static inline size_t list_count_nodes(struct list_head *head) +{
- struct list_head *pos;
- size_t count = 0;
- list_for_each(pos, head)
count++;- return count;
+}
- /*
- Double linked lists with a single pointer list head.
- Mostly useful for hash tables where the two pointer list head is