nfsd: minor nfsd_vfs_write cleanup
J. Bruce Fields [Tue, 16 Jun 2009 02:07:13 +0000 (19:07 -0700)]
There's no need to check host_err >= 0 every time here when we could
check host_err < 0 once, following the usual kernel style.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

fs/nfsd/vfs.c

index 6ad76a4..1cf7061 100644 (file)
@@ -1053,19 +1053,20 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
        oldfs = get_fs(); set_fs(KERNEL_DS);
        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);
-       }
+       if (host_err < 0)
+               goto out_nfserr;
+       *cnt = host_err;
+       nfsdstats.io_write += host_err;
+       fsnotify_modify(file->f_path.dentry);
 
        /* clear setuid/setgid flag after write */
-       if (host_err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID)))
+       if (inode->i_mode & (S_ISUID | S_ISGID))
                kill_suid(dentry);
 
-       if (host_err >= 0 && stable && use_wgather)
+       if (stable && use_wgather)
                host_err = wait_for_concurrent_writes(file);
 
+out_nfserr:
        dprintk("nfsd: write complete host_err=%d\n", host_err);
        if (host_err >= 0)
                err = 0;