cifs: remove cifsInodeInfo->inUse counter

cifs: remove cifsInodeInfo->inUse counter

It was purported to be a refcounter of some sort, but was never
used that way. It never served any purpose that wasn't served equally well
by the I_NEW flag.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 9f669f9..44f3050 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -308,7 +308,6 @@
 	if (!cifs_inode)
 		return NULL;
 	cifs_inode->cifsAttrs = 0x20;	/* default */
-	atomic_set(&cifs_inode->inUse, 0);
 	cifs_inode->time = 0;
 	cifs_inode->write_behind_rc = 0;
 	/* Until the file is open and we have gotten oplock
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 8bcf5a4..63f6cdf 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -364,7 +364,6 @@
 	struct list_head openFileList;
 	int write_behind_rc;
 	__u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */
-	atomic_t inUse;	 /* num concurrent users (local openers cifs) of file*/
 	unsigned long time;	/* jiffies of last update/check of inode */
 	bool clientCanCacheRead:1;	/* read oplock */
 	bool clientCanCacheAll:1;	/* read and writebehind oplock */