If a target port is in ALUA 'standby' or 'transitioning' state it might not need to respond to a 'READ CAPACITY' command. So fixup the initialization for these cases. Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- drivers/scsi/sd.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index 3b2fcb4..03fdfa9 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1981,6 +1981,16 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, * give it one more chance */ if (--reset_retries > 0) continue; + if (sense_valid && + sshdr.sense_key == NOT_READY && + sshdr.asc == 0x04 && sshdr.ascq == 0x0a) + /* Target port in transition */ + return 0; + if (sense_valid && + sshdr.sense_key == NOT_READY && + sshdr.asc == 0x04 && sshdr.ascq == 0x0b) + /* Target port in standy state */ + return 0; } retries--; @@ -2063,6 +2073,16 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, * give it one more chance */ if (--reset_retries > 0) continue; + if (sense_valid && + sshdr.sense_key == NOT_READY && + sshdr.asc == 0x04 && sshdr.ascq == 0x0a) + /* Target port in transition */ + return 0; + if (sense_valid && + sshdr.sense_key == NOT_READY && + sshdr.asc == 0x04 && sshdr.ascq == 0x0b) + /* Target port in standy state */ + return 0; } retries--; @@ -2177,6 +2197,8 @@ got_data: sector_size = 512; sd_printk(KERN_NOTICE, sdkp, "Sector size 0 reported, " "assuming 512.\n"); + if (!sdkp->physical_block_size) + sdkp->physical_block_size = sector_size; } if (sector_size != 512 && -- 1.8.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html