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| author |   Denis Semakin <d.semakin@omprussia.ru> | 2018-03-13 13:23:45 +0400 |
|---|---|---|
| committer |   Mike Snitzer <snitzer@redhat.com> | 2018-04-03 15:04:21 -0400 |
| commit | 00716545c894fc464e00612809d9cb836b180c99 (patch) | |
| tree | 7492fc26be641c58a49b4c81ab707f60a597f629 /include/linux/device-mapper.h | |
| parent | dm: backfill abnormal IO support to non-splitting IO submission (diff) | |
| download | linux-dev-00716545c894fc464e00612809d9cb836b180c99.tar.xz linux-dev-00716545c894fc464e00612809d9cb836b180c99.zip | |
dm: add support for secure erase forwarding
Set QUEUE_FLAG_SECERASE in DM device's queue_flags if a DM table's
data devices support secure erase.
Also, add support for secure erase to both the linear and striped
targets.
Signed-off-by: Denis Semakin <d.semakin@omprussia.ru>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Diffstat (limited to 'include/linux/device-mapper.h')
| -rw-r--r-- | include/linux/device-mapper.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 1e2426c18eb4..019e2efc6c25 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -268,6 +268,12 @@ struct dm_target { unsigned num_discard_bios; /* + * The number of secure erase bios that will be submitted to the target. + * The bio number can be accessed with dm_bio_get_target_bio_nr. + */ + unsigned num_secure_erase_bios; + + /* * The number of WRITE SAME bios that will be submitted to the target. * The bio number can be accessed with dm_bio_get_target_bio_nr. */ |