From 93870d76fee22e887aa6e7e1fc904dbeca976928 Mon Sep 17 00:00:00 2001
From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Thu, 13 May 2010 12:51:03 -0400
Subject: [PATCH] NFS: Read requests can use GFP_KERNEL.
There is no danger of deadlock should the allocation trigger page
writeback.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
---
fs/nfs/read.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index db9b360ae19da..6e2b06e6ca794 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -40,7 +40,7 @@ static mempool_t *nfs_rdata_mempool;
struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
{
- struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_NOFS);
+ struct nfs_read_data *p = mempool_alloc(nfs_rdata_mempool, GFP_KERNEL);
if (p) {
memset(p, 0, sizeof(*p));
@@ -50,7 +50,7 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
- p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_NOFS);
+ p->pagevec = kcalloc(pagecount, sizeof(struct page *), GFP_KERNEL);
if (!p->pagevec) {
mempool_free(p, nfs_rdata_mempool);
p = NULL;