The patch titled Subject: lib/iov_iter.c: fix kernel-doc warnings has been added to the -mm tree. Its filename is lib-iov_iterc-fix-kernel-doc-warnings.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/lib-iov_iterc-fix-kernel-doc-warnings.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/lib-iov_iterc-fix-kernel-doc-warnings.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Subject: lib/iov_iter.c: fix kernel-doc warnings Fix all kernel-doc warnings in lib/iov_iter.c: lib/iov_iter.c:695: warning: Function parameter or member 'i' not described in '_copy_mc_to_iter' lib/iov_iter.c:695: warning: Excess function parameter 'iter' description in '_copy_mc_to_iter' lib/iov_iter.c:695: warning: No description found for return value of '_copy_mc_to_iter' lib/iov_iter.c:758: warning: Function parameter or member 'i' not described in '_copy_from_iter_flushcache' lib/iov_iter.c:758: warning: Excess function parameter 'iter' description in '_copy_from_iter_flushcache' lib/iov_iter.c:758: warning: No description found for return value of '_copy_from_iter_flushcache' Link: https://lkml.kernel.org/r/20210809051053.6531-1-rdunlap@xxxxxxxxxxxxx Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/iov_iter.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/lib/iov_iter.c~lib-iov_iterc-fix-kernel-doc-warnings +++ a/lib/iov_iter.c @@ -672,7 +672,7 @@ static size_t copy_mc_pipe_to_iter(const * _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 * * 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) { _ Patches currently in -mm which might be from rdunlap@xxxxxxxxxxxxx are lib-dump_stack-correct-kernel-doc-notation.patch lib-iov_iterc-fix-kernel-doc-warnings.patch fs-epoll-use-a-per-cpu-counter-for-users-watches-count-fix.patch scripts-check_extable-fix-typo-in-user-error-message.patch