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-rw-r--r--lib/iov_iter.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index e23123ae3a13..f2d50d69a6c3 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -672,7 +672,7 @@ static size_t copy_mc_pipe_to_iter(const void *addr, size_t bytes,
* _copy_mc_to_iter - copy to iter with source memory error exception handling
* @addr: source kernel address
* @bytes: total transfer length
- * @iter: destination iterator
+ * @i: destination iterator
*
* The pmem driver deploys this for the dax operation
* (dax_copy_to_iter()) for dax reads (bypass page-cache and the
@@ -690,6 +690,8 @@ static size_t copy_mc_pipe_to_iter(const void *addr, size_t bytes,
* * ITER_KVEC, ITER_PIPE, and ITER_BVEC can return short copies.
* Compare to copy_to_iter() where only ITER_IOVEC attempts might return
* a short copy.
+ *
+ * Return: number of bytes copied (may be %0)
*/
size_t _copy_mc_to_iter(const void *addr, size_t bytes, struct iov_iter *i)
{
@@ -744,7 +746,7 @@ EXPORT_SYMBOL(_copy_from_iter_nocache);
* _copy_from_iter_flushcache - write destination through cpu cache
* @addr: destination kernel address
* @bytes: total transfer length
- * @iter: source iterator
+ * @i: source iterator
*
* The pmem driver arranges for filesystem-dax to use this facility via
* dax_copy_from_iter() for ensuring that writes to persistent memory
@@ -753,6 +755,8 @@ EXPORT_SYMBOL(_copy_from_iter_nocache);
* all iterator types. The _copy_from_iter_nocache() only attempts to
* bypass the cache for the ITER_IOVEC case, and on some archs may use
* instructions that strand dirty-data in the cache.
+ *
+ * Return: number of bytes copied (may be %0)
*/
size_t _copy_from_iter_flushcache(void *addr, size_t bytes, struct iov_iter *i)
{