cifs: remove the kmap size limit from wsize

Now that we're not kmapping so much at once, there's no need to cap
the wsize at the amount that can be simultaneously kmapped.
Reviewed-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>

fs/cifs/smb1ops.c

@@ -442,9 +442,6 @@ cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
 		wsize = min_t(unsigned int, wsize,
 				server->maxBuf - sizeof(WRITE_REQ) + 4);
 
-	/* limit to the amount that we can kmap at once */
-	wsize = min_t(unsigned int, wsize, CIFS_KMAP_SIZE_LIMIT);
-
 	/* hard limit of CIFS_MAX_WSIZE */
 	wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE);
 

fs/cifs/smb2ops.c

@@ -187,9 +187,6 @@ smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
 	 */
 	wsize = min_t(unsigned int, wsize, 2 << 15);
 
-	/* limit to the amount that we can kmap at once */
-	wsize = min_t(unsigned int, wsize, CIFS_KMAP_SIZE_LIMIT);
-
 	return wsize;
 }