NFSD: Remove unused value inode in nfsd_vfs_write

This is just cleanup, no change in functionality.

Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 2dd633f..5859f58 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -920,7 +920,6 @@
 				unsigned long *cnt, int stable)
 {
 	struct svc_export	*exp;
-	struct inode		*inode;
 	mm_segment_t		oldfs;
 	__be32			err = 0;
 	int			host_err;
@@ -938,9 +937,7 @@
 		 */
 		current->flags |= PF_LESS_THROTTLE;
 
-	inode = file_inode(file);
-	exp   = fhp->fh_export;
-
+	exp = fhp->fh_export;
 	use_wgather = (rqstp->rq_vers == 2) && EX_WGATHER(exp);
 
 	if (!EX_ISSYNC(exp))