fsal_status_t WRAP_GPFSFSAL_readlink(fsal_handle_t * p_linkhandle, /* IN */
fsal_op_context_t * p_context, /* IN */
fsal_path_t * p_link_content, /* OUT */
fsal_attrib_list_t *
p_link_attributes /* [ IN/OUT ] */ )
{
return GPFSFSAL_readlink((gpfsfsal_handle_t *) p_linkhandle,
(gpfsfsal_op_context_t *) p_context, p_link_content,
p_link_attributes);
}
static fsal_status_t readsymlink(struct fsal_obj_handle *obj_hdl,
struct gsh_buffdesc *link_content,
bool refresh)
{
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
struct gpfs_fsal_obj_handle *myself = NULL;
fsal_status_t status;
if (obj_hdl->type != SYMBOLIC_LINK) {
fsal_error = ERR_FSAL_FAULT;
goto out;
}
myself = container_of(obj_hdl, struct gpfs_fsal_obj_handle, obj_handle);
if (refresh) { /* lazy load or LRU'd storage */
size_t retlink;
char link_buff[PATH_MAX];
retlink = PATH_MAX - 1;
if (myself->u.symlink.link_content != NULL) {
gsh_free(myself->u.symlink.link_content);
myself->u.symlink.link_content = NULL;
myself->u.symlink.link_size = 0;
}
status =
GPFSFSAL_readlink(obj_hdl, op_ctx, link_buff, &retlink);
if (FSAL_IS_ERROR(status))
return status;
myself->u.symlink.link_content = gsh_malloc(retlink + 1);
memcpy(myself->u.symlink.link_content, link_buff, retlink);
myself->u.symlink.link_content[retlink] = '\0';
myself->u.symlink.link_size = retlink + 1;
}
if (myself->u.symlink.link_content == NULL) {
fsal_error = ERR_FSAL_FAULT; /* probably a better error?? */
goto out;
}
link_content->len = myself->u.symlink.link_size;
link_content->addr = gsh_malloc(link_content->len);
memcpy(link_content->addr, myself->u.symlink.link_content,
link_content->len);
out:
return fsalstat(fsal_error, retval);
}
