diff options
| author | Janusz Dziemidowicz <rraptorr@nails.eu.org> | 2014-07-24 15:48:46 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-07-30 00:01:10 +0200 |
| commit | 0213436a2cc5e4a5ca2fabfaa4d3877097f3b13f (patch) | |
| tree | 192a6c47135e95d157f406aa610bd4e113d63d08 /drivers/scsi/scsi_scan.c | |
| parent | scsi: use short driver name for per-driver cmd slab caches (diff) | |
| download | linux-0213436a2cc5e4a5ca2fabfaa4d3877097f3b13f.tar.xz linux-0213436a2cc5e4a5ca2fabfaa4d3877097f3b13f.zip | |
scsi: do not issue SCSI RSOC command to Promise Vtrak E610f
Some devices don't like REPORT SUPPORTED OPERATION CODES and will
simply timeout causing sd_mod init to take a very very long time.
Introduce BLIST_NO_RSOC scsi scan flag, that stops RSOC from being
issued. Add it to Promise Vtrak E610f entry in scsi scan
blacklist. Fixes bug #79901 reported at
https://bugzilla.kernel.org/show_bug.cgi?id=79901
Fixes: 98dcc2946adb ("SCSI: sd: Update WRITE SAME heuristics")
Signed-off-by: Janusz Dziemidowicz <rraptorr@nails.eu.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/scsi_scan.c')
| -rw-r--r-- | drivers/scsi/scsi_scan.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 50536cd6b3f2..56675dbbf681 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -900,6 +900,12 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, if (*bflags & BLIST_USE_10_BYTE_MS) sdev->use_10_for_ms = 1; + /* some devices don't like REPORT SUPPORTED OPERATION CODES + * and will simply timeout causing sd_mod init to take a very + * very long time */ + if (*bflags & BLIST_NO_RSOC) + sdev->no_report_opcodes = 1; + /* set the device running here so that slave configure * may do I/O */ ret = scsi_device_set_state(sdev, SDEV_RUNNING); |