Rename CIFSSMBSetFileTimes to CIFSSMBSetFileInfo and add PID arg

The new name is more clear since this is also used to set file
attributes. We'll need the pid_of_opener arg so that we can
pass in filehandles of other pids and spare ourselves an open
call.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

fs/cifs/cifsproto.h

@@ -176,8 +176,9 @@ extern int CIFSSMBSetPathInfo(const int xid, struct cifsTconInfo *tcon,
 			const char *fileName, const FILE_BASIC_INFO *data,
 			const struct nls_table *nls_codepage,
 			int remap_special_chars);
-extern int CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
-			const FILE_BASIC_INFO *data, __u16 fid);
+extern int CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
+			const FILE_BASIC_INFO *data, __u16 fid,
+			__u32 pid_of_opener);
 #if 0
 extern int CIFSSMBSetAttrLegacy(int xid, struct cifsTconInfo *tcon,
 			char *fileName, __u16 dos_attributes,

fs/cifs/cifssmb.c

@@ -4816,8 +4816,8 @@ CIFSSMBSetFileSize(const int xid, struct cifsTconInfo *tcon, __u64 size,
    time and resort to the original setpathinfo level which takes the ancient
    DOS time format with 2 second granularity */
 int
-CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
-		    const FILE_BASIC_INFO *data, __u16 fid)
+CIFSSMBSetFileInfo(const int xid, struct cifsTconInfo *tcon,
+		    const FILE_BASIC_INFO *data, __u16 fid, __u32 pid_of_opener)
 {
 	struct smb_com_transaction2_sfi_req *pSMB  = NULL;
 	char *data_offset;
@@ -4830,11 +4830,8 @@ CIFSSMBSetFileTimes(const int xid, struct cifsTconInfo *tcon,
 	if (rc)
 		return rc;
 
-	/* At this point there is no need to override the current pid
-	with the pid of the opener, but that could change if we someday
-	use an existing handle (rather than opening one on the fly) */
-	/* pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener);
-	pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16));*/
+	pSMB->hdr.Pid = cpu_to_le16((__u16)pid_of_opener);
+	pSMB->hdr.PidHigh = cpu_to_le16((__u16)(pid_of_opener >> 16));
 
 	params = 6;
 	pSMB->MaxSetupCount = 0;

fs/cifs/inode.c

@@ -767,9 +767,10 @@ int cifs_unlink(struct inode *inode, struct dentry *direntry)
 						 cifs_sb->mnt_cifs_flags &
 						    CIFS_MOUNT_MAP_SPECIAL_CHR);
 				if (rc == 0) {
-					rc = CIFSSMBSetFileTimes(xid, pTcon,
-								 pinfo_buf,
-								 netfid);
+					rc = CIFSSMBSetFileInfo(xid, pTcon,
+								pinfo_buf,
+								netfid,
+								current->tgid);
 					CIFSSMBClose(xid, pTcon, netfid);
 				}
 			}
@@ -1702,8 +1703,8 @@ int cifs_setattr(struct dentry *direntry, struct iattr *attrs)
 					 cifs_sb->mnt_cifs_flags &
 						CIFS_MOUNT_MAP_SPECIAL_CHR);
 			if (rc == 0) {
-				rc = CIFSSMBSetFileTimes(xid, pTcon, &time_buf,
-							 netfid);
+				rc = CIFSSMBSetFileInfo(xid, pTcon, &time_buf,
+							 netfid, current->tgid);
 				CIFSSMBClose(xid, pTcon, netfid);
 			} else {
 			/* BB For even older servers we could convert time_buf