diff options
Diffstat (limited to 'drivers/md/dm-core.h')
| -rw-r--r-- | drivers/md/dm-core.h | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/md/dm-core.h b/drivers/md/dm-core.h index aecab0c0720f..a3c9f74fe2dc 100644 --- a/drivers/md/dm-core.h +++ b/drivers/md/dm-core.h @@ -22,6 +22,8 @@ #include "dm-ima.h" #define DM_RESERVED_MAX_IOS 1024 +#define DM_MAX_TARGETS 1048576 +#define DM_MAX_TARGET_PARAMS 1024 struct dm_io; @@ -138,7 +140,8 @@ struct mapped_device { #ifdef CONFIG_BLK_DEV_ZONED unsigned int nr_zones; - unsigned int *zwp_offset; + void *zone_revalidate_map; + struct task_struct *revalidate_map_task; #endif #ifdef CONFIG_IMA @@ -159,9 +162,7 @@ struct mapped_device { #define DMF_SUSPENDED_INTERNALLY 7 #define DMF_POST_SUSPENDING 8 #define DMF_EMULATE_ZONE_APPEND 9 - -void disable_discard(struct mapped_device *md); -void disable_write_zeroes(struct mapped_device *md); +#define DMF_QUEUE_STOPPED 10 static inline sector_t dm_get_size(struct mapped_device *md) { @@ -204,17 +205,18 @@ struct dm_table { bool integrity_supported:1; bool singleton:1; - unsigned integrity_added:1; + /* set if all the targets in the table have "flush_bypasses_map" set */ + bool flush_bypasses_map:1; /* - * Indicates the rw permissions for the new logical - * device. This should be a combination of FMODE_READ - * and FMODE_WRITE. + * Indicates the rw permissions for the new logical device. This + * should be a combination of BLK_OPEN_READ and BLK_OPEN_WRITE. */ - fmode_t mode; + blk_mode_t mode; /* a list of devices used by this table */ struct list_head devices; + struct rw_semaphore devices_lock; /* events get handed up using this callback */ void (*event_fn)(void *data); @@ -290,6 +292,7 @@ struct dm_io { struct dm_io *next; struct dm_stats_aux stats_aux; blk_status_t status; + bool requeue_flush_with_data; atomic_t io_count; struct mapped_device *md; @@ -307,7 +310,8 @@ struct dm_io { */ enum { DM_IO_ACCOUNTED, - DM_IO_WAS_SPLIT + DM_IO_WAS_SPLIT, + DM_IO_BLK_STAT }; static inline bool dm_io_flagged(struct dm_io *io, unsigned int bit) |