diff options
| -rw-r--r-- | drivers/block/ublk_drv.c | 14 | ||||
| -rw-r--r-- | include/uapi/linux/ublk_cmd.h | 3 |
2 files changed, 13 insertions, 4 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 92bd2351e3ad..4fe754e7d1e8 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -80,7 +80,8 @@ | UBLK_F_BUF_REG_OFF_DAEMON \ | (IS_ENABLED(CONFIG_BLK_DEV_INTEGRITY) ? UBLK_F_INTEGRITY : 0) \ | UBLK_F_SAFE_STOP_DEV \ - | UBLK_F_BATCH_IO) + | UBLK_F_BATCH_IO \ + | UBLK_F_NO_AUTO_PART_SCAN) #define UBLK_F_ALL_RECOVERY_FLAGS (UBLK_F_USER_RECOVERY \ | UBLK_F_USER_RECOVERY_REISSUE \ @@ -4430,9 +4431,14 @@ static int ublk_ctrl_start_dev(struct ublk_device *ub, set_bit(UB_STATE_USED, &ub->state); - /* Schedule async partition scan for trusted daemons */ - if (!ub->unprivileged_daemons) - schedule_work(&ub->partition_scan_work); + /* Skip partition scan if disabled by user */ + if (ub->dev_info.flags & UBLK_F_NO_AUTO_PART_SCAN) { + clear_bit(GD_SUPPRESS_PART_SCAN, &disk->state); + } else { + /* Schedule async partition scan for trusted daemons */ + if (!ub->unprivileged_daemons) + schedule_work(&ub->partition_scan_work); + } out_put_cdev: if (ret) { diff --git a/include/uapi/linux/ublk_cmd.h b/include/uapi/linux/ublk_cmd.h index 743d31491387..a88876756805 100644 --- a/include/uapi/linux/ublk_cmd.h +++ b/include/uapi/linux/ublk_cmd.h @@ -367,6 +367,9 @@ */ #define UBLK_F_SAFE_STOP_DEV (1ULL << 17) +/* Disable automatic partition scanning when device is started */ +#define UBLK_F_NO_AUTO_PART_SCAN (1ULL << 18) + /* device state */ #define UBLK_S_DEV_DEAD 0 #define UBLK_S_DEV_LIVE 1 |