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authorMike Christie <michael.christie@oracle.com>2024-01-23 01:22:09 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2024-01-30 03:20:53 +0100
commit5dbf10473642f822de62038a70addb54756b0109 (patch)
tree39aab69e4b0008894681824f0f5fd3b38e52f014 /drivers
parentscsi: device_handler: rdac: Have midlayer retry send_mode_select() errors (diff)
downloadlinux-5dbf10473642f822de62038a70addb54756b0109.tar.xz
linux-5dbf10473642f822de62038a70addb54756b0109.zip
scsi: spi: Have midlayer retry spi_execute() UAs
This has spi_execute() have the SCSI midlayer retry UAs instead of driving them. Signed-off-by: Mike Christie <michael.christie@oracle.com> Link: https://lore.kernel.org/r/20240123002220.129141-9-michael.christie@oracle.com Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/scsi_transport_spi.c35
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index f668c1c0a98f..64852e6df3e3 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -108,29 +108,30 @@ static int spi_execute(struct scsi_device *sdev, const void *cmd,
enum req_op op, void *buffer, unsigned int bufflen,
struct scsi_sense_hdr *sshdr)
{
- int i, result;
- struct scsi_sense_hdr sshdr_tmp;
blk_opf_t opf = op | REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
REQ_FAILFAST_DRIVER;
+ struct scsi_failure failure_defs[] = {
+ {
+ .sense = UNIT_ATTENTION,
+ .asc = SCMD_FAILURE_ASC_ANY,
+ .ascq = SCMD_FAILURE_ASCQ_ANY,
+ .allowed = DV_RETRIES,
+ .result = SAM_STAT_CHECK_CONDITION,
+ },
+ {}
+ };
+ struct scsi_failures failures = {
+ .failure_definitions = failure_defs,
+ };
const struct scsi_exec_args exec_args = {
+ /* bypass the SDEV_QUIESCE state with BLK_MQ_REQ_PM */
.req_flags = BLK_MQ_REQ_PM,
- .sshdr = sshdr ? : &sshdr_tmp,
+ .sshdr = sshdr,
+ .failures = &failures,
};
- sshdr = exec_args.sshdr;
-
- for(i = 0; i < DV_RETRIES; i++) {
- /*
- * The purpose of the RQF_PM flag below is to bypass the
- * SDEV_QUIESCE state.
- */
- result = scsi_execute_cmd(sdev, cmd, opf, buffer, bufflen,
- DV_TIMEOUT, 1, &exec_args);
- if (result < 0 || !scsi_sense_valid(sshdr) ||
- sshdr->sense_key != UNIT_ATTENTION)
- break;
- }
- return result;
+ return scsi_execute_cmd(sdev, cmd, opf, buffer, bufflen, DV_TIMEOUT, 1,
+ &exec_args);
}
static struct {