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Merge branch 'dm-4.12' into dm-4.12-post-merge

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This commit is contained in:
Mike Snitzer
2017-05-01 18:18:04 -04:00
parent 9438b3e080 390020ad2a
commit 7e25a76061
45 changed files with 7810 additions and 3195 deletions
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26
include/linux/device-mapper.h
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@@ -22,11 +22,13 @@ struct bio_vec;
/*
* Type of table, mapped_device's mempool and request_queue
*/
#define DM_TYPE_NONE 0
#define DM_TYPE_BIO_BASED 1
#define DM_TYPE_REQUEST_BASED 2
#define DM_TYPE_MQ_REQUEST_BASED 3
#define DM_TYPE_DAX_BIO_BASED 4
enum dm_queue_mode {
DM_TYPE_NONE = 0,
DM_TYPE_BIO_BASED = 1,
DM_TYPE_REQUEST_BASED = 2,
DM_TYPE_MQ_REQUEST_BASED = 3,
DM_TYPE_DAX_BIO_BASED = 4,
};
typedef enum { STATUSTYPE_INFO, STATUSTYPE_TABLE } status_type_t;
@@ -221,6 +223,18 @@ struct target_type {
*/
typedef unsigned (*dm_num_write_bios_fn) (struct dm_target *ti, struct bio *bio);
/*
* A target implements own bio data integrity.
*/
#define DM_TARGET_INTEGRITY 0x00000010
#define dm_target_has_integrity(type) ((type)->features & DM_TARGET_INTEGRITY)
/*
* A target passes integrity data to the lower device.
*/
#define DM_TARGET_PASSES_INTEGRITY 0x00000020
#define dm_target_passes_integrity(type) ((type)->features & DM_TARGET_PASSES_INTEGRITY)
struct dm_target {
struct dm_table *table;
struct target_type *type;
@@ -465,7 +479,7 @@ void dm_table_add_target_callbacks(struct dm_table *t, struct dm_target_callback
* Useful for "hybrid" target (supports both bio-based
* and request-based).
*/
void dm_table_set_type(struct dm_table *t, unsigned type);
void dm_table_set_type(struct dm_table *t, enum dm_queue_mode type);
/*
* Finally call this to make the table ready for use.