CIFS: Cleanup cifs open codepath

Rename CIFSSMBOpen to CIFS_open and make it take
cifs_open_parms structure as a parm.

Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <smfrench@gmail.com>

8 files changed, 174 insertions, 100 deletions

diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c
index 51f5e0ee7237..8f9b4f710d4a 100644
--- a/fs/cifs/cifsacl.c
+++ b/fs/cifs/cifsacl.c
@@ -895,9 +895,10 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
 	int oplock = 0;
 	unsigned int xid;
 	int rc, create_options = 0;
-	__u16 fid;
 	struct cifs_tcon *tcon;
 	struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 
 	if (IS_ERR(tlink))
 		return ERR_CAST(tlink);
@@ -908,12 +909,19 @@ static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
 	if (backup_cred(cifs_sb))
 		create_options |= CREATE_OPEN_BACKUP_INTENT;
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL,
-			create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
-			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = READ_CONTROL;
+	oparms.create_options = create_options;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (!rc) {
-		rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen);
-		CIFSSMBClose(xid, tcon, fid);
+		rc = CIFSSMBGetCIFSACL(xid, tcon, fid.netfid, &pntsd, pacllen);
+		CIFSSMBClose(xid, tcon, fid.netfid);
 	}
 
 	cifs_put_tlink(tlink);
@@ -950,10 +958,11 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
 	int oplock = 0;
 	unsigned int xid;
 	int rc, access_flags, create_options = 0;
-	__u16 fid;
 	struct cifs_tcon *tcon;
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 
 	if (IS_ERR(tlink))
 		return PTR_ERR(tlink);
@@ -969,18 +978,25 @@ int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
 	else
 		access_flags = WRITE_DAC;
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags,
-			create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
-			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = access_flags;
+	oparms.create_options = create_options;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc) {
 		cifs_dbg(VFS, "Unable to open file to set ACL\n");
 		goto out;
 	}
 
-	rc = CIFSSMBSetCIFSACL(xid, tcon, fid, pnntsd, acllen, aclflag);
+	rc = CIFSSMBSetCIFSACL(xid, tcon, fid.netfid, pnntsd, acllen, aclflag);
 	cifs_dbg(NOISY, "SetCIFSACL rc = %d\n", rc);
 
-	CIFSSMBClose(xid, tcon, fid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 out:
 	free_xid(xid);
 	cifs_put_tlink(tlink);
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 582ae61f45b6..79e6e9a93a8c 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -362,11 +362,8 @@ extern int CIFSSMBQuerySymLink(const unsigned int xid, struct cifs_tcon *tcon,
 			       const struct nls_table *nls_codepage);
 extern int CIFSSMB_set_compression(const unsigned int xid,
 				   struct cifs_tcon *tcon, __u16 fid);
-extern int CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
-		       const char *path, const int disposition,
-		       const int desired_access, const int create_options,
-		       __u16 *netfid, int *oplock, FILE_ALL_INFO *buf,
-		       const struct nls_table *nls, int remap);
+extern int CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms,
+		     int *oplock, FILE_ALL_INFO *buf);
 extern int SMBLegacyOpen(const unsigned int xid, struct cifs_tcon *tcon,
 			const char *fileName, const int disposition,
 			const int access_flags, const int omode,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 8e1ebc2dc0db..4d881c35eeca 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1273,10 +1273,8 @@ OldOpenRetry:
 }
 
 int
-CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
-	    const char *path, const int disposition, const int desired_access,
-	    const int create_options, __u16 *netfid, int *oplock,
-	    FILE_ALL_INFO *buf, const struct nls_table *nls, int remap)
+CIFS_open(const unsigned int xid, struct cifs_open_parms *oparms, int *oplock,
+	  FILE_ALL_INFO *buf)
 {
 	int rc = -EACCES;
 	OPEN_REQ *req = NULL;
@@ -1284,6 +1282,14 @@ CIFSSMBOpen(const unsigned int xid, struct cifs_tcon *tcon,
 	int bytes_returned;
 	int name_len;
 	__u16 count;
+	struct cifs_sb_info *cifs_sb = oparms->cifs_sb;
+	struct cifs_tcon *tcon = oparms->tcon;
+	int remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR;
+	const struct nls_table *nls = cifs_sb->local_nls;
+	int create_options = oparms->create_options;
+	int desired_access = oparms->desired_access;
+	int disposition = oparms->disposition;
+	const char *path = oparms->path;
 
 openRetry:
 	rc = smb_init(SMB_COM_NT_CREATE_ANDX, 24, tcon, (void **)&req,
@@ -1367,7 +1373,7 @@ openRetry:
 	/* 1 byte no need to le_to_cpu */
 	*oplock = rsp->OplockLevel;
 	/* cifs fid stays in le */
-	*netfid = rsp->Fid;
+	oparms->fid->netfid = rsp->Fid;
 
 	/* Let caller know file was created so we can set the mode. */
 	/* Do we care about the CreateAction in any other cases? */
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 0850325c3b44..d3a6796caa5a 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -570,7 +570,8 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
 	char *full_path = NULL;
 	struct inode *newinode = NULL;
 	int oplock = 0;
-	u16 netfid;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	FILE_ALL_INFO *buf = NULL;
 	unsigned int bytes_written;
 	struct win_dev *pdev;
@@ -640,10 +641,16 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
 	if (backup_cred(cifs_sb))
 		create_options |= CREATE_OPEN_BACKUP_INTENT;
 
-	rc = CIFSSMBOpen(xid, tcon, full_path, FILE_CREATE,
-			 GENERIC_WRITE, create_options,
-			 &netfid, &oplock, buf, cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = GENERIC_WRITE;
+	oparms.create_options = create_options;
+	oparms.disposition = FILE_CREATE;
+	oparms.path = full_path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, buf);
 	if (rc)
 		goto mknod_out;
 
@@ -653,7 +660,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
 	 */
 
 	pdev = (struct win_dev *)buf;
-	io_parms.netfid = netfid;
+	io_parms.netfid = fid.netfid;
 	io_parms.pid = current->tgid;
 	io_parms.tcon = tcon;
 	io_parms.offset = 0;
@@ -671,7 +678,7 @@ int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
 		rc = CIFSSMBWrite(xid, &io_parms, &bytes_written, (char *)pdev,
 				  NULL, 0);
 	} /* else if (S_ISFIFO) */
-	CIFSSMBClose(xid, tcon, netfid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 	d_drop(direntry);
 
 	/* FIXME: add code here to set EAs */
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 5a5a87240fe2..853d6d1cc822 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -678,7 +678,7 @@ cifs_reopen_file(struct cifsFileInfo *cfile, bool can_flush)
 
 	/*
 	 * Can not refresh inode by passing in file_info buf to be returned by
-	 * CIFSSMBOpen and then calling get_inode_info with returned buf since
+	 * ops->open and then calling get_inode_info with returned buf since
 	 * file might have write behind data that needs to be flushed and server
 	 * version of file size can be stale. If we knew for sure that inode was
 	 * not dirty locally we could do this.
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 5793b5a557e9..9cb9679d7357 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -409,9 +409,10 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
 {
 	int rc;
 	int oplock = 0;
-	__u16 netfid;
 	struct tcon_link *tlink;
 	struct cifs_tcon *tcon;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	struct cifs_io_parms io_parms;
 	char buf[24];
 	unsigned int bytes_read;
@@ -437,18 +438,23 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
 		return PTR_ERR(tlink);
 	tcon = tlink_tcon(tlink);
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, GENERIC_READ,
-			 CREATE_NOT_DIR, &netfid, &oplock, NULL,
-			 cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags &
-				CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = GENERIC_READ;
+	oparms.create_options = CREATE_NOT_DIR;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc) {
 		cifs_put_tlink(tlink);
 		return rc;
 	}
 
 	/* Read header */
-	io_parms.netfid = netfid;
+	io_parms.netfid = fid.netfid;
 	io_parms.pid = current->tgid;
 	io_parms.tcon = tcon;
 	io_parms.offset = 0;
@@ -494,7 +500,7 @@ cifs_sfu_type(struct cifs_fattr *fattr, const char *path,
 		fattr->cf_dtype = DT_REG;
 		rc = -EOPNOTSUPP; /* or some unknown SFU type */
 	}
-	CIFSSMBClose(xid, tcon, netfid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 	cifs_put_tlink(tlink);
 	return rc;
 }
@@ -1035,7 +1041,8 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
 {
 	int oplock = 0;
 	int rc;
-	__u16 netfid;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	struct inode *inode = dentry->d_inode;
 	struct cifsInodeInfo *cifsInode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
@@ -1058,10 +1065,16 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
 		goto out;
 	}
 
-	rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
-			 DELETE|FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
-			 &netfid, &oplock, NULL, cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = DELETE | FILE_WRITE_ATTRIBUTES;
+	oparms.create_options = CREATE_NOT_DIR;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = full_path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc != 0)
 		goto out;
 
@@ -1082,7 +1095,7 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
 			goto out_close;
 		}
 		info_buf->Attributes = cpu_to_le32(dosattr);
-		rc = CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid,
+		rc = CIFSSMBSetFileInfo(xid, tcon, info_buf, fid.netfid,
 					current->tgid);
 		/* although we would like to mark the file hidden
  		   if that fails we will still try to rename it */
@@ -1093,7 +1106,8 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
 	}
 
 	/* rename the file */
-	rc = CIFSSMBRenameOpenFile(xid, tcon, netfid, NULL, cifs_sb->local_nls,
+	rc = CIFSSMBRenameOpenFile(xid, tcon, fid.netfid, NULL,
+				   cifs_sb->local_nls,
 				   cifs_sb->mnt_cifs_flags &
 					    CIFS_MOUNT_MAP_SPECIAL_CHR);
 	if (rc != 0) {
@@ -1103,7 +1117,7 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
 
 	/* try to set DELETE_ON_CLOSE */
 	if (!cifsInode->delete_pending) {
-		rc = CIFSSMBSetFileDisposition(xid, tcon, true, netfid,
+		rc = CIFSSMBSetFileDisposition(xid, tcon, true, fid.netfid,
 					       current->tgid);
 		/*
 		 * some samba versions return -ENOENT when we try to set the
@@ -1123,7 +1137,7 @@ cifs_rename_pending_delete(const char *full_path, struct dentry *dentry,
 	}
 
 out_close:
-	CIFSSMBClose(xid, tcon, netfid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 out:
 	kfree(info_buf);
 	cifs_put_tlink(tlink);
@@ -1135,13 +1149,13 @@ out:
 	 * them anyway.
 	 */
 undo_rename:
-	CIFSSMBRenameOpenFile(xid, tcon, netfid, dentry->d_name.name,
+	CIFSSMBRenameOpenFile(xid, tcon, fid.netfid, dentry->d_name.name,
 				cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
 					    CIFS_MOUNT_MAP_SPECIAL_CHR);
 undo_setattr:
 	if (dosattr != origattr) {
 		info_buf->Attributes = cpu_to_le32(origattr);
-		if (!CIFSSMBSetFileInfo(xid, tcon, info_buf, netfid,
+		if (!CIFSSMBSetFileInfo(xid, tcon, info_buf, fid.netfid,
 					current->tgid))
 			cifsInode->cifsAttrs = origattr;
 	}
@@ -1552,7 +1566,8 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
 	struct tcon_link *tlink;
 	struct cifs_tcon *tcon;
 	struct TCP_Server_Info *server;
-	__u16 srcfid;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	int oplock, rc;
 
 	tlink = cifs_sb_tlink(cifs_sb);
@@ -1579,17 +1594,23 @@ cifs_do_rename(const unsigned int xid, struct dentry *from_dentry,
 	if (to_dentry->d_parent != from_dentry->d_parent)
 		goto do_rename_exit;
 
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
 	/* open the file to be renamed -- we need DELETE perms */
-	rc = CIFSSMBOpen(xid, tcon, from_path, FILE_OPEN, DELETE,
-			 CREATE_NOT_DIR, &srcfid, &oplock, NULL,
-			 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
-				CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.desired_access = DELETE;
+	oparms.create_options = CREATE_NOT_DIR;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = from_path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc == 0) {
-		rc = CIFSSMBRenameOpenFile(xid, tcon, srcfid,
+		rc = CIFSSMBRenameOpenFile(xid, tcon, fid.netfid,
 				(const char *) to_dentry->d_name.name,
 				cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
 					CIFS_MOUNT_MAP_SPECIAL_CHR);
-		CIFSSMBClose(xid, tcon, srcfid);
+		CIFSSMBClose(xid, tcon, fid.netfid);
 	}
 do_rename_exit:
 	cifs_put_tlink(tlink);
diff --git a/fs/cifs/link.c b/fs/cifs/link.c
index 38b9bf4f5a6b..52f41f9f7def 100644
--- a/fs/cifs/link.c
+++ b/fs/cifs/link.c
@@ -320,16 +320,22 @@ cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
 {
 	int rc;
 	int oplock = 0;
-	__u16 netfid = 0;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	struct cifs_io_parms io_parms;
 	int buf_type = CIFS_NO_BUFFER;
 	FILE_ALL_INFO file_info;
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, GENERIC_READ,
-			 CREATE_NOT_DIR, &netfid, &oplock, &file_info,
-			 cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags &
-				CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = GENERIC_READ;
+	oparms.create_options = CREATE_NOT_DIR;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, &file_info);
 	if (rc)
 		return rc;
 
@@ -337,7 +343,7 @@ cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
 		/* it's not a symlink */
 		goto out;
 
-	io_parms.netfid = netfid;
+	io_parms.netfid = fid.netfid;
 	io_parms.pid = current->tgid;
 	io_parms.tcon = tcon;
 	io_parms.offset = 0;
@@ -345,7 +351,7 @@ cifs_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
 
 	rc = CIFSSMBRead(xid, &io_parms, pbytes_read, &pbuf, &buf_type);
 out:
-	CIFSSMBClose(xid, tcon, netfid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 	return rc;
 }
 
@@ -356,29 +362,35 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
 {
 	int rc;
 	int oplock = 0;
-	__u16 netfid = 0;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	struct cifs_io_parms io_parms;
 	int create_options = CREATE_NOT_DIR;
 
 	if (backup_cred(cifs_sb))
 		create_options |= CREATE_OPEN_BACKUP_INTENT;
 
-	rc = CIFSSMBOpen(xid, tcon, path, FILE_CREATE, GENERIC_WRITE,
-			 create_options, &netfid, &oplock, NULL,
-			 cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags &
-				CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = GENERIC_WRITE;
+	oparms.create_options = create_options;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc)
 		return rc;
 
-	io_parms.netfid = netfid;
+	io_parms.netfid = fid.netfid;
 	io_parms.pid = current->tgid;
 	io_parms.tcon = tcon;
 	io_parms.offset = 0;
 	io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
 
 	rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf, NULL, 0);
-	CIFSSMBClose(xid, tcon, netfid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 	return rc;
 }
 
diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c
index abd2cc9515c9..9ac5bfc9cc56 100644
--- a/fs/cifs/smb1ops.c
+++ b/fs/cifs/smb1ops.c
@@ -560,17 +560,24 @@ cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
 	if (!rc && (le32_to_cpu(data->Attributes) & ATTR_REPARSE)) {
 		int tmprc;
 		int oplock = 0;
-		__u16 netfid;
+		struct cifs_fid fid;
+		struct cifs_open_parms oparms;
+
+		oparms.tcon = tcon;
+		oparms.cifs_sb = cifs_sb;
+		oparms.desired_access = FILE_READ_ATTRIBUTES;
+		oparms.create_options = 0;
+		oparms.disposition = FILE_OPEN;
+		oparms.path = full_path;
+		oparms.fid = &fid;
+		oparms.reconnect = false;
 
 		/* Need to check if this is a symbolic link or not */
-		tmprc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
-				    FILE_READ_ATTRIBUTES, 0, &netfid, &oplock,
-				    NULL, cifs_sb->local_nls,
-			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+		tmprc = CIFS_open(xid, &oparms, &oplock, NULL);
 		if (tmprc == -EOPNOTSUPP)
 			*symlink = true;
 		else
-			CIFSSMBClose(xid, tcon, netfid);
+			CIFSSMBClose(xid, tcon, fid.netfid);
 	}
 
 	return rc;
@@ -705,12 +712,7 @@ cifs_open_file(const unsigned int xid, struct cifs_open_parms *oparms,
 				     oparms->cifs_sb->local_nls,
 				     oparms->cifs_sb->mnt_cifs_flags
 						& CIFS_MOUNT_MAP_SPECIAL_CHR);
-	return CIFSSMBOpen(xid, oparms->tcon, oparms->path,
-			   oparms->disposition, oparms->desired_access,
-			   oparms->create_options, &oparms->fid->netfid, oplock,
-			   buf, oparms->cifs_sb->local_nls,
-			   oparms->cifs_sb->mnt_cifs_flags &
-						CIFS_MOUNT_MAP_SPECIAL_CHR);
+	return CIFS_open(xid, oparms, oplock, buf);
 }
 
 static void
@@ -761,8 +763,9 @@ smb_set_file_info(struct inode *inode, const char *full_path,
 {
 	int oplock = 0;
 	int rc;
-	__u16 netfid;
 	__u32 netpid;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 	struct cifsFileInfo *open_file;
 	struct cifsInodeInfo *cinode = CIFS_I(inode);
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
@@ -772,7 +775,7 @@ smb_set_file_info(struct inode *inode, const char *full_path,
 	/* if the file is already open for write, just use that fileid */
 	open_file = find_writable_file(cinode, true);
 	if (open_file) {
-		netfid = open_file->fid.netfid;
+		fid.netfid = open_file->fid.netfid;
 		netpid = open_file->pid;
 		tcon = tlink_tcon(open_file->tlink);
 		goto set_via_filehandle;
@@ -796,12 +799,17 @@ smb_set_file_info(struct inode *inode, const char *full_path,
 		goto out;
 	}
 
-	cifs_dbg(FYI, "calling SetFileInfo since SetPathInfo for times not supported by this server\n");
-	rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
-			 SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR,
-			 &netfid, &oplock, NULL, cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = SYNCHRONIZE | FILE_WRITE_ATTRIBUTES;
+	oparms.create_options = CREATE_NOT_DIR;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = full_path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
 
+	cifs_dbg(FYI, "calling SetFileInfo since SetPathInfo for times not supported by this server\n");
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc != 0) {
 		if (rc == -EIO)
 			rc = -EINVAL;
@@ -811,12 +819,12 @@ smb_set_file_info(struct inode *inode, const char *full_path,
 	netpid = current->tgid;
 
 set_via_filehandle:
-	rc = CIFSSMBSetFileInfo(xid, tcon, buf, netfid, netpid);
+	rc = CIFSSMBSetFileInfo(xid, tcon, buf, fid.netfid, netpid);
 	if (!rc)
 		cinode->cifsAttrs = le32_to_cpu(buf->Attributes);
 
 	if (open_file == NULL)
-		CIFSSMBClose(xid, tcon, netfid);
+		CIFSSMBClose(xid, tcon, fid.netfid);
 	else
 		cifsFileInfo_put(open_file);
 out:
@@ -941,7 +949,8 @@ cifs_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
 {
 	int rc;
 	int oplock = 0;
-	__u16 netfid;
+	struct cifs_fid fid;
+	struct cifs_open_parms oparms;
 
 	cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path);
 
@@ -957,21 +966,27 @@ cifs_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
 		goto out;
 	}
 
-	rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN,
-			 FILE_READ_ATTRIBUTES, OPEN_REPARSE_POINT, &netfid,
-			 &oplock, NULL, cifs_sb->local_nls,
-			 cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
+	oparms.tcon = tcon;
+	oparms.cifs_sb = cifs_sb;
+	oparms.desired_access = FILE_READ_ATTRIBUTES;
+	oparms.create_options = OPEN_REPARSE_POINT;
+	oparms.disposition = FILE_OPEN;
+	oparms.path = full_path;
+	oparms.fid = &fid;
+	oparms.reconnect = false;
+
+	rc = CIFS_open(xid, &oparms, &oplock, NULL);
 	if (rc)
 		goto out;
 
-	rc = CIFSSMBQuerySymLink(xid, tcon, netfid, target_path,
+	rc = CIFSSMBQuerySymLink(xid, tcon, fid.netfid, target_path,
 				 cifs_sb->local_nls);
 	if (rc)
 		goto out_close;
 
 	convert_delimiter(*target_path, '/');
 out_close:
-	CIFSSMBClose(xid, tcon, netfid);
+	CIFSSMBClose(xid, tcon, fid.netfid);
 out:
 	if (!rc)
 		cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path);