dm_ioRegular
4.4: ✅struct dm_io {
struct mapped_device *md;
int error;
atomic_t io_count;
struct bio *bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
};
4.8: ✅struct dm_io {
struct mapped_device *md;
int error;
atomic_t io_count;
struct bio *bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
};
4.10: ✅struct dm_io {
struct mapped_device *md;
int error;
atomic_t io_count;
struct bio *bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
};
4.13: ✅struct dm_io {
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
};
4.15: ✅struct dm_io {
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
};
4.18: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.0: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.3: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.4: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.8: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.11: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.13: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.15: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
5.19: ✅struct dm_io {
short unsigned int magic;
blk_short_t flags;
spinlock_t lock;
long unsigned int start_time;
void *data;
struct dm_io *next;
struct dm_stats_aux stats_aux;
blk_status_t status;
atomic_t io_count;
struct mapped_device *md;
struct bio *split_bio;
struct bio *orig_bio;
unsigned int sector_offset;
unsigned int sectors;
struct dm_target_io tio;
};
6.2: ✅struct dm_io {
short unsigned int magic;
blk_short_t flags;
spinlock_t lock;
long unsigned int start_time;
void *data;
struct dm_io *next;
struct dm_stats_aux stats_aux;
blk_status_t status;
atomic_t io_count;
struct mapped_device *md;
struct bio *orig_bio;
unsigned int sector_offset;
unsigned int sectors;
struct dm_target_io tio;
};
6.5: ✅struct dm_io {
short unsigned int magic;
blk_short_t flags;
spinlock_t lock;
long unsigned int start_time;
void *data;
struct dm_io *next;
struct dm_stats_aux stats_aux;
blk_status_t status;
atomic_t io_count;
struct mapped_device *md;
struct bio *orig_bio;
unsigned int sector_offset;
unsigned int sectors;
struct dm_target_io tio;
};
6.8: ✅struct dm_io {
short unsigned int magic;
blk_short_t flags;
spinlock_t lock;
long unsigned int start_time;
void *data;
struct dm_io *next;
struct dm_stats_aux stats_aux;
blk_status_t status;
atomic_t io_count;
struct mapped_device *md;
struct bio *orig_bio;
unsigned int sector_offset;
unsigned int sectors;
struct dm_target_io tio;
};
arm64: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
armhf: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
ppc64el: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
riscv64: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
aws: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
azure: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
gcp: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
lowlatency: ✅struct dm_io {
unsigned int magic;
struct mapped_device *md;
blk_status_t status;
atomic_t io_count;
struct bio *orig_bio;
long unsigned int start_time;
spinlock_t endio_lock;
struct dm_stats_aux stats_aux;
struct dm_target_io tio;
};
Regular
4.4 and 4.8 ✅
4.8 and 4.10 ✅
4.10 and 4.13 ⚠️blk_status_t status
int error
4.13 and 4.15 ✅
4.15 and 4.18 ⚠️unsigned int magic
struct bio *orig_bio
struct dm_target_io tio
struct bio *bio
4.18 and 5.0 ✅
5.0 and 5.3 ✅
5.3 and 5.4 ✅
5.4 and 5.8 ✅
5.8 and 5.11 ✅
5.11 and 5.13 ✅
5.13 and 5.15 ✅
5.15 and 5.19 ⚠️blk_short_t flags
spinlock_t lock
void *data
struct dm_io *next
struct bio *split_bio
unsigned int sector_offset
unsigned int sectors
spinlock_t endio_lock
unsigned int magic ➡️ short unsigned int magic
5.19 and 6.2 ⚠️struct bio *split_bio
6.2 and 6.5 ✅
6.5 and 6.8 ✅
amd64 and arm64 ✅
amd64 and armhf ✅
amd64 and ppc64el ✅
amd64 and riscv64 ✅
generic and aws ✅
generic and azure ✅
generic and gcp ✅
generic and lowlatency ✅