From: Mel Gorman 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 Reviewed-by: NeilBrown Signed-off-by: Suresh Jayaraman --- 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,