qubes-linux-kernel/patches.suse/SoN-25b-nfs-swapcache.patch
2011-04-19 22:09:59 +02:00

30 lines
1.1 KiB
Diff

From: Mel Gorman <mgorman@suse.de>
Date: Wed, 9 Mar 2011 19:36:49 +0000
Subject: [PATCH] nfs: Use page_file_offset during page writeback
Patch-mainline: Not yet
References: bnc#677738
nfs_wb_page could conceivably be called for a PageSwapCache page so play
it safe and use page_file_offset() to lookup the correct index.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: NeilBrown <neilb@suse.de>
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
---
fs/nfs/write.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
Index: linux-2.6.37-openSUSE-11.4/fs/nfs/write.c
===================================================================
--- linux-2.6.37-openSUSE-11.4.orig/fs/nfs/write.c
+++ linux-2.6.37-openSUSE-11.4/fs/nfs/write.c
@@ -1520,7 +1520,7 @@ int nfs_wb_page_cancel(struct inode *ino
*/
int nfs_wb_page(struct inode *inode, struct page *page)
{
- loff_t range_start = page_offset(page);
+ loff_t range_start = page_file_offset(page);
loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1);
struct writeback_control wbc = {
.sync_mode = WB_SYNC_ALL,