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authorIngo Molnar <mingo@elte.hu>2010-08-02 08:29:56 +0200
committerIngo Molnar <mingo@elte.hu>2010-08-02 08:31:54 +0200
commit3772b734720e1a3f2dc1d95cfdfaa5332f4ccf01 (patch)
treea1a8cc85948c086aa12a1d8014151a7ca7c04ea8 /fs/nfs/file.c
parent9fc3af467d0749989518a23f7289a6f44e5cb214 (diff)
parent9fe6206f400646a2322096b56c59891d530e8d51 (diff)
downloadop-kernel-dev-3772b734720e1a3f2dc1d95cfdfaa5332f4ccf01.zip
op-kernel-dev-3772b734720e1a3f2dc1d95cfdfaa5332f4ccf01.tar.gz
Merge commit 'v2.6.35' into perf/core
Conflicts: tools/perf/Makefile tools/perf/util/hist.c Merge reason: Resolve the conflicts and update to latest upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/nfs/file.c')
-rw-r--r--fs/nfs/file.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 36a5e74..f036153 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -27,6 +27,7 @@
#include <linux/pagemap.h>
#include <linux/aio.h>
#include <linux/gfp.h>
+#include <linux/swap.h>
#include <asm/uaccess.h>
#include <asm/system.h>
@@ -493,11 +494,19 @@ static void nfs_invalidate_page(struct page *page, unsigned long offset)
*/
static int nfs_release_page(struct page *page, gfp_t gfp)
{
+ struct address_space *mapping = page->mapping;
+
dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page);
/* Only do I/O if gfp is a superset of GFP_KERNEL */
- if ((gfp & GFP_KERNEL) == GFP_KERNEL)
- nfs_wb_page(page->mapping->host, page);
+ if (mapping && (gfp & GFP_KERNEL) == GFP_KERNEL) {
+ int how = FLUSH_SYNC;
+
+ /* Don't let kswapd deadlock waiting for OOM RPC calls */
+ if (current_is_kswapd())
+ how = 0;
+ nfs_commit_inode(mapping->host, how);
+ }
/* If PagePrivate() is set, then the page is not freeable */
if (PagePrivate(page))
return 0;
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