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path: root/drivers/block/null_blk/null_blk.h
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Diffstat (limited to 'drivers/block/null_blk/null_blk.h')
-rw-r--r--drivers/block/null_blk/null_blk.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/block/null_blk/null_blk.h b/drivers/block/null_blk/null_blk.h
index 3234e6c85eed..6c4c4bbe7dad 100644
--- a/drivers/block/null_blk/null_blk.h
+++ b/drivers/block/null_blk/null_blk.h
@@ -63,6 +63,8 @@ struct nullb_device {
unsigned long flags; /* device flags */
unsigned int curr_cache;
struct badblocks badblocks;
+ bool badblocks_once;
+ bool badblocks_partial_io;
unsigned int nr_zones;
unsigned int nr_zones_imp_open;
@@ -101,11 +103,13 @@ struct nullb_device {
bool memory_backed; /* if data is stored in memory */
bool discard; /* if support discard */
bool zoned; /* if device is zoned */
+ bool zone_full; /* Initialize zones to be full */
bool virt_boundary; /* virtual boundary on/off for the device */
bool no_sched; /* no IO scheduler for the device */
bool shared_tags; /* share tag set between devices for blk-mq */
bool shared_tag_bitmap; /* use hostwide shared tags */
bool fua; /* Support FUA */
+ bool rotational; /* Fake rotational device */
};
struct nullb {
@@ -129,13 +133,18 @@ blk_status_t null_handle_discard(struct nullb_device *dev, sector_t sector,
sector_t nr_sectors);
blk_status_t null_process_cmd(struct nullb_cmd *cmd, enum req_op op,
sector_t sector, unsigned int nr_sectors);
+blk_status_t null_handle_badblocks(struct nullb_cmd *cmd, sector_t sector,
+ unsigned int *nr_sectors);
+blk_status_t null_handle_memory_backed(struct nullb_cmd *cmd, enum req_op op,
+ sector_t sector, sector_t nr_sectors);
#ifdef CONFIG_BLK_DEV_ZONED
int null_init_zoned_dev(struct nullb_device *dev, struct queue_limits *lim);
int null_register_zoned_dev(struct nullb *nullb);
void null_free_zoned_dev(struct nullb_device *dev);
int null_report_zones(struct gendisk *disk, sector_t sector,
- unsigned int nr_zones, report_zones_cb cb, void *data);
+ unsigned int nr_zones,
+ struct blk_report_zones_args *args);
blk_status_t null_process_zoned_cmd(struct nullb_cmd *cmd, enum req_op op,
sector_t sector, sector_t nr_sectors);
size_t null_zone_valid_read_len(struct nullb *nullb,