/* lookup
* deprecated NULL parent && NULL path implies root handle
*/
static fsal_status_t lookup(struct fsal_obj_handle *parent,
const char *path, struct fsal_obj_handle **handle,
struct attrlist *attrs_out)
{
fsal_errors_t fsal_error = ERR_FSAL_NO_ERROR;
int retval = 0;
fsal_status_t status;
struct gpfs_fsal_obj_handle *hdl;
struct attrlist attrib;
struct gpfs_file_handle *fh = alloca(sizeof(struct gpfs_file_handle));
struct fsal_filesystem *fs;
*handle = NULL; /* poison it first */
fs = parent->fs;
if (!path)
return fsalstat(ERR_FSAL_FAULT, 0);
memset(fh, 0, sizeof(struct gpfs_file_handle));
fh->handle_size = GPFS_MAX_FH_SIZE;
if (!parent->obj_ops.handle_is(parent, DIRECTORY)) {
LogCrit(COMPONENT_FSAL,
"Parent handle is not a directory. hdl = 0x%p", parent);
return fsalstat(ERR_FSAL_NOTDIR, 0);
}
if (parent->fsal != parent->fs->fsal) {
LogDebug(COMPONENT_FSAL,
"FSAL %s operation for handle belonging to FSAL %s, return EXDEV",
parent->fsal->name, parent->fs->fsal->name);
retval = EXDEV;
goto hdlerr;
}
fsal_prepare_attrs(&attrib, ATTR_GPFS_ALLOC_HANDLE);
if (attrs_out != NULL)
attrib.mask |= attrs_out->mask;
status = GPFSFSAL_lookup(op_ctx, parent, path, &attrib, fh, &fs);
if (FSAL_IS_ERROR(status))
return status;
/* allocate an obj_handle and fill it up */
hdl = alloc_handle(fh, fs, &attrib, NULL, op_ctx->fsal_export);
if (attrs_out != NULL) {
/* Copy the attributes to caller, passing ACL ref. */
fsal_copy_attrs(attrs_out, &attrib, true);
} else {
/* Done with the attrs */
fsal_release_attrs(&attrib);
}
*handle = &hdl->obj_handle;
return fsalstat(ERR_FSAL_NO_ERROR, 0);
hdlerr:
fsal_error = posix2fsal_error(retval);
return fsalstat(fsal_error, retval);
}
fsal_status_t WRAP_GPFSFSAL_lookup(fsal_handle_t * p_parent_directory_handle, /* IN */
fsal_name_t * p_filename, /* IN */
fsal_op_context_t * p_context, /* IN */
fsal_handle_t * p_object_handle, /* OUT */
fsal_attrib_list_t *
p_object_attributes /* [ IN/OUT ] */ )
{
return GPFSFSAL_lookup((gpfsfsal_handle_t *) p_parent_directory_handle, p_filename,
(gpfsfsal_op_context_t *) p_context,
(gpfsfsal_handle_t *) p_object_handle, p_object_attributes);
}
