diff options
Diffstat (limited to 'drivers/scsi/sd.c')
| -rw-r--r-- | drivers/scsi/sd.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index a69b155f39a..18343a6acd8 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -749,8 +749,11 @@ static int sd_media_changed(struct gendisk *disk) * can deal with it then. It is only because of unrecoverable errors * that we would ever take a device offline in the first place. */ - if (!scsi_device_online(sdp)) - goto not_present; + if (!scsi_device_online(sdp)) { + set_media_not_present(sdkp); + retval = 1; + goto out; + } /* * Using TEST_UNIT_READY enables differentiation between drive with @@ -762,6 +765,7 @@ static int sd_media_changed(struct gendisk *disk) * sd_revalidate() is called. */ retval = -ENODEV; + if (scsi_block_when_processing_errors(sdp)) retval = scsi_test_unit_ready(sdp, SD_TIMEOUT, SD_MAX_RETRIES); @@ -771,8 +775,11 @@ static int sd_media_changed(struct gendisk *disk) * and we will figure it out later once the drive is * available again. */ - if (retval) - goto not_present; + if (retval) { + set_media_not_present(sdkp); + retval = 1; + goto out; + } /* * For removable scsi disk we have to recognise the presence @@ -783,12 +790,11 @@ static int sd_media_changed(struct gendisk *disk) retval = sdp->changed; sdp->changed = 0; - +out: + if (retval != sdkp->previous_state) + sdev_evt_send_simple(sdp, SDEV_EVT_MEDIA_CHANGE, GFP_KERNEL); + sdkp->previous_state = retval; return retval; - -not_present: - set_media_not_present(sdkp); - return 1; } static int sd_sync_cache(struct scsi_disk *sdkp) |