From d28574e043e8b7cb35482de6e9a553118a32803d Mon Sep 17 00:00:00 2001 From: Maxim Patlasov Date: Fri, 26 Oct 2012 19:50:04 +0400 Subject: [PATCH] mm: minor cleanup of iov_iter_single_seg_count() The function does not modify iov_iter which 'i' points to. Signed-off-by: Maxim Patlasov Signed-off-by: Miklos Szeredi --- include/linux/fs.h | 2 +- mm/filemap.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index 7617ee04f066..7d2e893ec3d1 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -301,7 +301,7 @@ size_t iov_iter_copy_from_user(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); -size_t iov_iter_single_seg_count(struct iov_iter *i); +size_t iov_iter_single_seg_count(const struct iov_iter *i); static inline void iov_iter_init(struct iov_iter *i, const struct iovec *iov, unsigned long nr_segs, diff --git a/mm/filemap.c b/mm/filemap.c index 83efee76a5c0..24a7ea583f0c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -2056,7 +2056,7 @@ EXPORT_SYMBOL(iov_iter_fault_in_readable); /* * Return the count of just the current iov_iter segment. */ -size_t iov_iter_single_seg_count(struct iov_iter *i) +size_t iov_iter_single_seg_count(const struct iov_iter *i) { const struct iovec *iov = i->iov; if (i->nr_segs == 1) -- GitLab