scsi: core: Retry INQUIRY after timeout
authorMike Christie <michael.christie@oracle.com>
Tue, 23 Jan 2024 00:22:04 +0000 (18:22 -0600)
committerMartin K. Petersen <martin.petersen@oracle.com>
Tue, 30 Jan 2024 02:20:53 +0000 (21:20 -0500)
commit987d7d3db0b9b5428c4888ed375cca290667a597
tree15fcffc259a73c1afafdde88ea9c556306858138
parent2a1f96f60a4bf28207da653a844ea471840d2b91
scsi: core: Retry INQUIRY after timeout

Description from: Martin Wilck <mwilck@suse.com>:

The SCSI mid layer doesn't retry commands after DID_TIME_OUT (see
scsi_noretry_cmd()). Packet loss in the fabric can cause spurious timeouts
during SCSI device probing, causing device probing to fail. This has been
observed in FCoE uplink failover tests, for example.

This patch fixes the issue by retrying the INQUIRY.

Signed-off-by: Mike Christie <michael.christie@oracle.com>
Link: https://lore.kernel.org/r/20240123002220.129141-4-michael.christie@oracle.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/scsi_scan.c