[PATCH -next] NFSv4: Use GFP_ATOMIC under spin lock in _pnfs_grab_empty_layout()

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A spin lock is taken here so we should use GFP_ATOMIC.

Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 fs/nfs/pnfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index dd2e14f5875d..d84c1b7b71d2 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -2170,7 +2170,7 @@ _pnfs_grab_empty_layout(struct inode *ino, struct nfs_open_context *ctx)
 	struct pnfs_layout_hdr *lo;
 
 	spin_lock(&ino->i_lock);
-	lo = pnfs_find_alloc_layout(ino, ctx, GFP_KERNEL);
+	lo = pnfs_find_alloc_layout(ino, ctx, GFP_ATOMIC);
 	if (!lo)
 		goto out_unlock;
 	if (!test_bit(NFS_LAYOUT_INVALID_STID, &lo->plh_flags))






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