Don't dive into memory reclaim in the NFS direct I/O paths, otherwise
we can deadlock.
Reported by: Wengang Wang <wen.gang.wang@xxxxxxxxxx>
Fix-suggested-by: Zach Brown <zach.brown@xxxxxxxxxx>
Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx>
---
Trond-
Thoughts?
fs/nfs/direct.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index e4e089a..00f06b8 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -149,7 +149,7 @@ static inline struct nfs_direct_req *nfs_direct_req_alloc(void)
{
struct nfs_direct_req *dreq;
- dreq = kmem_cache_alloc(nfs_direct_cachep, GFP_KERNEL);
+ dreq = kmem_cache_alloc(nfs_direct_cachep, GFP_NOFS);
if (!dreq)
return NULL;
--
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