3  * Provide a pstore intermediate backend, organized into kernel memory
90  * struct psz_context - all about running state of pstore/zone
111  * @pstore: structure for pstore
142 	struct pstore_info pstore;  member
601  * @cxt: the context of pstore/zone
1125 	.pstore = {
1319  * register_pstore_zone() - register to pstore/zone
1369 	 * if no @read, pstore may mount failed.  in register_pstore_zone()
1370 	 * if no @write, pstore do not support to remove record file.  in register_pstore_zone()
1401 		cxt->pstore.bufsize = cxt->kpszs[0]->buffer_size -  in register_pstore_zone()
1403 		cxt->pstore.buf = kzalloc(cxt->pstore.bufsize, GFP_KERNEL);  in register_pstore_zone()
1404 		if (!cxt->pstore.buf) {  in register_pstore_zone()
1409 	cxt->pstore.data = cxt;  in register_pstore_zone()
1412 	cxt->pstore.max_reason = info->max_reason;  in register_pstore_zone()
1413 	cxt->pstore.name = info->name;  in register_pstore_zone()
1415 		cxt->pstore.flags |= PSTORE_FLAGS_DMESG;  in register_pstore_zone()
1417 			kmsg_dump_reason_str(cxt->pstore.max_reason));  in register_pstore_zone()
1423 		cxt->pstore.flags |= PSTORE_FLAGS_PMSG;  in register_pstore_zone()
1427 		cxt->pstore.flags |= PSTORE_FLAGS_CONSOLE;  in register_pstore_zone()
1431 		cxt->pstore.flags |= PSTORE_FLAGS_FTRACE;  in register_pstore_zone()
1435 		cxt->pstore.flags |= PSTORE_FLAGS_BLACKBOX;  in register_pstore_zone()
1440 	err = pstore_register(&cxt->pstore);  in register_pstore_zone()
1442 		pr_err("registering with pstore failed\n");  in register_pstore_zone()
1450 	kfree(cxt->pstore.buf);  in register_pstore_zone()
1451 	cxt->pstore.buf = NULL;  in register_pstore_zone()
1452 	cxt->pstore.bufsize = 0;  in register_pstore_zone()
1462  * unregister_pstore_zone() - unregister to pstore/zone
1476 	/* Stop incoming writes from pstore. */  in unregister_pstore_zone()
1477 	pstore_unregister(&cxt->pstore);  in unregister_pstore_zone()
1484 	kfree(cxt->pstore.buf);  in unregister_pstore_zone()
1485 	cxt->pstore.buf = NULL;  in unregister_pstore_zone()
1486 	cxt->pstore.bufsize = 0;  in unregister_pstore_zone()
1504 MODULE_DESCRIPTION("Storage Manager for pstore/blk");