From: Pavel Shilovsky <pshilov@microsoft.com>
Date: Mon, 28 Jan 2019 11:57:00 -0800
Subject: [PATCH] CIFS: Move unlocking pages from wdata_send_pages()
Git-commit: 258f0603beb869ba5f6a05713a1508d991baae43
Patch-mainline: v5.1-rc1
References: bsc#1144333
Currently wdata_send_pages() unlocks pages after sending.
This complicates further refactoring and doesn't align
with the function name. Move unlocking to writepages.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
fs/cifs/file.c | 12 +++++-------
1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 4de7af04e732..1141514864fc 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -2080,8 +2080,7 @@ wdata_send_pages(struct TCP_Server_Info *server, struct cifs_writedata *wdata,
unsigned int nr_pages, struct address_space *mapping,
struct writeback_control *wbc)
{
- int rc = 0;
- unsigned int i;
+ int rc;
wdata->sync_mode = wbc->sync_mode;
wdata->nr_pages = nr_pages;
@@ -2094,7 +2093,7 @@ wdata_send_pages(struct TCP_Server_Info *server, struct cifs_writedata *wdata,
rc = adjust_credits(server, &wdata->credits, wdata->bytes);
if (rc)
- goto send_pages_out;
+ return rc;
if (!wdata->cfile) {
cifs_dbg(VFS, "No writable handle in writepages\n");
@@ -2108,10 +2107,6 @@ wdata_send_pages(struct TCP_Server_Info *server, struct cifs_writedata *wdata,
cifs_writedata_release);
}
-send_pages_out:
- for (i = 0; i < nr_pages; ++i)
- unlock_page(wdata->pages[i]);
-
return rc;
}
@@ -2200,6 +2195,9 @@ static int cifs_writepages(struct address_space *mapping,
rc = wdata_send_pages(server, wdata, nr_pages, mapping, wbc);
+ for (i = 0; i < nr_pages; ++i)
+ unlock_page(wdata->pages[i]);
+
/* send failure -- clean up the mess */
if (rc != 0) {
add_credits_and_wake_if(server, &wdata->credits, 0);
--
2.16.4