linux-kernel - [PATCH v12 05/22] goldish_pipe: rename local pin_user

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Message-ID: <20200107224558.2362728-6-jhubbard@nvidia.com>
Date:   Tue, 7 Jan 2020 14:45:41 -0800
From:   John Hubbard <jhubbard@...dia.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     Al Viro <viro@...iv.linux.org.uk>,
        Alex Williamson <alex.williamson@...hat.com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Björn Töpel <bjorn.topel@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Dan Williams <dan.j.williams@...el.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Dave Chinner <david@...morbit.com>,
        David Airlie <airlied@...ux.ie>,
        "David S . Miller" <davem@...emloft.net>,
        Ira Weiny <ira.weiny@...el.com>, Jan Kara <jack@...e.cz>,
        Jason Gunthorpe <jgg@...pe.ca>, Jens Axboe <axboe@...nel.dk>,
        Jonathan Corbet <corbet@....net>,
        Jérôme Glisse <jglisse@...hat.com>,
        "Kirill A . Shutemov" <kirill@...temov.name>,
        Magnus Karlsson <magnus.karlsson@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Hocko <mhocko@...e.com>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Paul Mackerras <paulus@...ba.org>,
        Shuah Khan <shuah@...nel.org>,
        Vlastimil Babka <vbabka@...e.cz>, <bpf@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <kvm@...r.kernel.org>,
        <linux-block@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-fsdevel@...r.kernel.org>, <linux-kselftest@...r.kernel.org>,
        <linux-media@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        <linuxppc-dev@...ts.ozlabs.org>, <netdev@...r.kernel.org>,
        <linux-mm@...ck.org>, LKML <linux-kernel@...r.kernel.org>,
        John Hubbard <jhubbard@...dia.com>
Subject: [PATCH v12 05/22] goldish_pipe: rename local pin_user_pages() routine

1. Avoid naming conflicts: rename local static function from
"pin_user_pages()" to "goldfish_pin_pages()".

An upcoming patch will introduce a global pin_user_pages()
function.

Reviewed-by: Jan Kara <jack@...e.cz>
Reviewed-by: Jérôme Glisse <jglisse@...hat.com>
Reviewed-by: Ira Weiny <ira.weiny@...el.com>
Signed-off-by: John Hubbard <jhubbard@...dia.com>
---
 drivers/platform/goldfish/goldfish_pipe.c | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c
index cef0133aa47a..ef50c264db71 100644
--- a/drivers/platform/goldfish/goldfish_pipe.c
+++ b/drivers/platform/goldfish/goldfish_pipe.c
@@ -257,12 +257,12 @@ static int goldfish_pipe_error_convert(int status)
 	}
 }
 
-static int pin_user_pages(unsigned long first_page,
-			  unsigned long last_page,
-			  unsigned int last_page_size,
-			  int is_write,
-			  struct page *pages[MAX_BUFFERS_PER_COMMAND],
-			  unsigned int *iter_last_page_size)
+static int goldfish_pin_pages(unsigned long first_page,
+			      unsigned long last_page,
+			      unsigned int last_page_size,
+			      int is_write,
+			      struct page *pages[MAX_BUFFERS_PER_COMMAND],
+			      unsigned int *iter_last_page_size)
 {
 	int ret;
 	int requested_pages = ((last_page - first_page) >> PAGE_SHIFT) + 1;
@@ -354,9 +354,9 @@ static int transfer_max_buffers(struct goldfish_pipe *pipe,
 	if (mutex_lock_interruptible(&pipe->lock))
 		return -ERESTARTSYS;
 
-	pages_count = pin_user_pages(first_page, last_page,
-				     last_page_size, is_write,
-				     pipe->pages, &iter_last_page_size);
+	pages_count = goldfish_pin_pages(first_page, last_page,
+					 last_page_size, is_write,
+					 pipe->pages, &iter_last_page_size);
 	if (pages_count < 0) {
 		mutex_unlock(&pipe->lock);
 		return pages_count;
-- 
2.24.1