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Commit 8eb4ecfa authored by Ronnie Sahlberg's avatar Ronnie Sahlberg Committed by Steve French
Browse files

cifs: add SMB2_close_init()/SMB2_close_free() 



Signed-off-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: default avatarPaulo Alcantara <palcantara@suse.com>
parent 468d6779

fs/cifs/smb2pdu.c

+34 −14
Original line number Diff line number Diff line
@@ -2444,44 +2444,63 @@ SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, 
	return rc;

}



int

SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,

		u64 persistent_fid, u64 volatile_fid)

{

	struct smb2_close_req *req;

	struct kvec *iov = rqst->rq_iov;

	unsigned int total_len;

	int rc;



	rc = smb2_plain_req_init(SMB2_CLOSE, tcon, (void **) &req, &total_len);

	if (rc)

		return rc;



	req->PersistentFileId = persistent_fid;

	req->VolatileFileId = volatile_fid;

	iov[0].iov_base = (char *)req;

	iov[0].iov_len = total_len;



	return 0;

}



void

SMB2_close_free(struct smb_rqst *rqst)

{

	cifs_small_buf_release(rqst->rq_iov[0].iov_base); /* request */

}



int

SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,

		 u64 persistent_fid, u64 volatile_fid, int flags)

{

	struct smb_rqst rqst;

	struct smb2_close_req *req;

	struct smb2_close_rsp *rsp;

	struct smb2_close_rsp *rsp = NULL;

	struct cifs_ses *ses = tcon->ses;

	struct kvec iov[1];

	struct kvec rsp_iov;

	int resp_buftype;

	int rc = 0;

	unsigned int total_len;



	cifs_dbg(FYI, "Close\n");



	if (!ses || !(ses->server))

		return -EIO;



	rc = smb2_plain_req_init(SMB2_CLOSE, tcon, (void **) &req, &total_len);

	if (rc)

		return rc;



	if (smb3_encryption_required(tcon))

		flags |= CIFS_TRANSFORM_REQ;



	req->PersistentFileId = persistent_fid;

	req->VolatileFileId = volatile_fid;



	iov[0].iov_base = (char *)req;

	iov[0].iov_len = total_len;



	memset(&rqst, 0, sizeof(struct smb_rqst));

	memset(&iov, 0, sizeof(iov));

	rqst.rq_iov = iov;

	rqst.rq_nvec = 1;



	rc = SMB2_close_init(tcon, &rqst, persistent_fid, volatile_fid);

	if (rc)

		goto close_exit;



	rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov);

	cifs_small_buf_release(req);

	rsp = (struct smb2_close_rsp *)rsp_iov.iov_base;



	if (rc != 0) {
@@ -2494,6 +2513,7 @@ SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon, 
	/* BB FIXME - decode close response, update inode for caching */



close_exit:

	SMB2_close_free(&rqst);

	free_rsp_buf(resp_buftype, rsp);

	return rc;

}

fs/cifs/smb2proto.h

+3 −0
Original line number Diff line number Diff line
@@ -141,6 +141,9 @@ extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 
		      u64 persistent_file_id, u64 volatile_file_id);

extern int SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon,

			    u64 persistent_fid, u64 volatile_fid, int flags);

extern int SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,

		      u64 persistent_file_id, u64 volatile_file_id);

extern void SMB2_close_free(struct smb_rqst *rqst);

extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,

		      u64 persistent_file_id, u64 volatile_file_id);

extern int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon,