diff options
Diffstat (limited to 'include/linux/pstore_blk.h')
| -rw-r--r-- | include/linux/pstore_blk.h | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/include/linux/pstore_blk.h b/include/linux/pstore_blk.h index 61e914522b01..99564f93d774 100644 --- a/include/linux/pstore_blk.h +++ b/include/linux/pstore_blk.h @@ -8,48 +8,6 @@ #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. * * @total_size: The total size in bytes pstore/blk can use. It must be greater |