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