nfsd: fix hung up of nfs client while sync write data to nfs server

[firefly-linux-kernel-4.4.55.git] / fs / nfsd / vfs.c

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 6c68ffd6b4bb01c21174c7294e37635a945cd295..b660435978d288de89bf42070b3a6e83399b2356 100644 (file)
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1015,6 +1015,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
        host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &offset);
        set_fs(oldfs);
        if (host_err >= 0) {
+               *cnt = host_err;
                nfsdstats.io_write += host_err;
                fsnotify_modify(file->f_path.dentry);
        }
@@ -1060,10 +1061,9 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
        }
 
        dprintk("nfsd: write complete host_err=%d\n", host_err);
-       if (host_err >= 0) {
+       if (host_err >= 0)
                err = 0;
-               *cnt = host_err;
-       } else
+       else
                err = nfserrno(host_err);
 out:
        return err;