X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=fs%2Fnfsd%2Fvfs.c;h=c165a6403df03e52219925b875ef420adcbd331a;hb=db1dd4d376134eba0e08af523b61cc566a4ea1cd;hp=6e50aaa56ca25222ab71e0b92cdd66609b5c5b61;hpb=684999149002dd046269666a390458e0acb38280;p=deliverable%2Flinux.git

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 6e50aaa56ca2..c165a6403df0 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -998,8 +998,11 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
 
 	if (!EX_ISSYNC(exp))
 		stable = 0;
-	if (stable && !EX_WGATHER(exp))
+	if (stable && !EX_WGATHER(exp)) {
+		spin_lock(&file->f_lock);
 		file->f_flags |= O_SYNC;
+		spin_unlock(&file->f_lock);
+	}
 
 	/* Write the data. */
 	oldfs = get_fs(); set_fs(KERNEL_DS);