* \param archive_count
* \param archives Which archive numbers this copytool is responsible for
*/
-int llapi_hsm_copytool_start(void **priv, char *fsname, int flags,
- int archive_count, int *archives)
+int llapi_hsm_copytool_start(struct hsm_copytool_private **priv, char *fsname,
+ int flags, int archive_count, int *archives)
{
struct hsm_copytool_private *ct;
int rc;
ct->kuc.lk_data = ct->archives;
rc = root_ioctl(ct->fsname, LL_IOC_HSM_CT_START, &(ct->kuc), NULL,
WANT_ERROR);
- /* ignore if it was already registered on coordinator */
- if (rc == -EEXIST)
- rc = 0;
/* Only the kernel reference keeps the write side open */
close(ct->kuc.lk_wfd);
ct->kuc.lk_wfd = 0;
if (rc < 0)
- goto out_err;
+ goto out_kuc;
*priv = ct;
return 0;
+out_kuc:
+ /* cleanup the kuc channel */
+ libcfs_ukuc_stop(&ct->kuc);
out_err:
if (ct->fsname)
free(ct->fsname);
* killed), the libcfs module will be referenced and unremovable,
* even after Lustre services stop.
*/
-int llapi_hsm_copytool_fini(void **priv)
+int llapi_hsm_copytool_fini(struct hsm_copytool_private **priv)
{
struct hsm_copytool_private *ct;
- ct = (struct hsm_copytool_private *)priv;
+ ct = *priv;
if (!ct || (ct->magic != CT_PRIV_MAGIC))
return -EINVAL;
}
/** Wait for the next hsm_action_list
- * \param priv Opaque private control structure
+ * \param ct Opaque private control structure
* \param halh Action list handle, will be allocated here
* \param msgsize Number of bytes in the message, will be set here
* \return 0 valid message received; halh and msgsize are set
* <0 error code
*/
-int llapi_hsm_copytool_recv(void *priv, struct hsm_action_list **halh,
- int *msgsize)
+int llapi_hsm_copytool_recv(struct hsm_copytool_private *ct,
+ struct hsm_action_list **halh, int *msgsize)
{
- struct hsm_copytool_private *ct;
struct kuc_hdr *kuch;
struct hsm_action_list *hal;
int rc = 0;
- ct = (struct hsm_copytool_private *)priv;
if (!ct || (ct->magic != CT_PRIV_MAGIC))
return -EINVAL;
if (halh == NULL || msgsize == NULL)
/* Check that we have registered for this archive #
* if 0 registered, we serve any archive */
if (ct->archives &&
- ((1 << (hal->hal_archive_num - 1)) & ct->archives) == 0) {
+ ((1 << (hal->hal_archive_id - 1)) & ct->archives) == 0) {
llapi_err_noerrno(LLAPI_MSG_INFO,
"This copytool does not service archive #%d,"
" ignoring this request."
" Mask of served archive is 0x%.8X",
- hal->hal_archive_num, ct->archives);
+ hal->hal_archive_id, ct->archives);
rc = -EAGAIN;
goto out_free;
return rc;
}
-
/**
* Return the current HSM states and HSM requests related to file pointed by \a
* path.
return rc;
}
+
+/**
+ * Return the current HSM request related to file pointed by \a path.
+ *
+ * \param hca Should be allocated by caller. Will be filled with current file
+ * actions.
+ *
+ * \retval 0 on success.
+ * \retval -errno on error.
+ */
+int llapi_hsm_current_action(const char *path, struct hsm_current_action *hca)
+{
+ int fd;
+ int rc;
+
+ fd = open(path, O_RDONLY | O_NONBLOCK);
+ if (fd < 0)
+ return -errno;
+
+ rc = ioctl(fd, LL_IOC_HSM_ACTION, hca);
+ /* If error, save errno value */
+ rc = rc ? -errno : 0;
+
+ close(fd);
+ return rc;
+}
+
+/**
+ * Allocate a hsm_user_request with the specified carateristics.
+ * This structure should be freed with free().
+ *
+ * \return an allocated structure on success, NULL otherwise.
+ */
+struct hsm_user_request *llapi_hsm_user_request_alloc(int itemcount,
+ int data_len)
+{
+ int len = 0;
+
+ len += sizeof(struct hsm_user_request);
+ len += sizeof(struct hsm_user_item) * itemcount;
+ len += data_len;
+
+ return (struct hsm_user_request *)malloc(len);
+}
+
+/**
+ * Send a HSM request to Lustre, described in \param request.
+ *
+ * This request should be allocated with llapi_hsm_user_request_alloc().
+ *
+ * \param mnt Should be the Lustre moint point.
+ * \return 0 on success, an error code otherwise.
+ */
+int llapi_hsm_request(char *mnt, struct hsm_user_request *request)
+{
+ int rc;
+ int fd;
+
+ rc = get_root_path(WANT_FD, NULL, &fd, mnt, -1);
+ if (rc)
+ return rc;
+
+ rc = ioctl(fd, LL_IOC_HSM_REQUEST, request);
+ /* If error, save errno value */
+ rc = rc ? -errno : 0;
+
+ close(fd);
+ return rc;
+}
+