#include <linux/pstore.h>
#include <linux/pstore_zone.h>
-/**
- * typedef pstore_blk_panic_write_op - panic write operation to block device
- *
- * @buf: the data to write
- * @start_sect: start sector to block device
- * @sects: sectors count on buf
- *
- * Return: On success, zero should be returned. Others excluding -ENOMSG
- * mean error. -ENOMSG means to try next zone.
- *
- * Panic write to block device must be aligned to SECTOR_SIZE.
- */
-typedef int (*pstore_blk_panic_write_op)(const char *buf, sector_t start_sect,
- sector_t sects);
-
-/**
- * struct pstore_blk_info - pstore/blk registration details
- *
- * @major: Which major device number to support with pstore/blk
- * @flags: The supported PSTORE_FLAGS_* from linux/pstore.h.
- * @panic_write:The write operation only used for the panic case.
- * This can be NULL, but is recommended to avoid losing
- * crash data if the kernel's IO path or work queues are
- * broken during a panic.
- * @devt: The dev_t that pstore/blk has attached to.
- * @nr_sects: Number of sectors on @devt.
- * @start_sect: Starting sector on @devt.
- */
-struct pstore_blk_info {
- unsigned int major;
- unsigned int flags;
- pstore_blk_panic_write_op panic_write;
-
- /* Filled in by pstore/blk after registration. */
- dev_t devt;
- sector_t nr_sects;
- sector_t start_sect;
-};
-
-int register_pstore_blk(struct pstore_blk_info *info);
-void unregister_pstore_blk(unsigned int major);
-
/**
* struct pstore_device_info - back-end pstore/blk driver structure.
*