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Use f_lock to protect f_flags
[deliverable/linux.git]
/
fs
/
nfsd
/
vfs.c
diff --git
a/fs/nfsd/vfs.c
b/fs/nfsd/vfs.c
index 6e50aaa56ca25222ab71e0b92cdd66609b5c5b61..c165a6403df03e52219925b875ef420adcbd331a 100644
(file)
--- 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);
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