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authorBart Van Assche <bvanassche@acm.org>2023-05-29 13:26:37 -0700
committerMartin K. Petersen <martin.petersen@oracle.com>2023-05-31 11:42:46 -0400
commitb125bb99559e3639764b8d169e3e9b80858fa2af (patch)
treee9fbc86b6a1115158f4564807b114d3f15a60c6a /include/scsi
parentc854bcdf5e18a3b672e363138f2f6657a1803170 (diff)
scsi: core: Support setting BLK_MQ_F_BLOCKING
Prepare for adding code in ufshcd_queuecommand() that may sleep. This patch is similar to a patch posted last year by Mike Christie. See also https://lore.kernel.org/all/20220308003957.123312-2-michael.christie@oracle.com/ Cc: Mike Christie <michael.christie@oracle.com> Signed-off-by: Bart Van Assche <bvanassche@acm.org> Link: https://lore.kernel.org/r/20230529202640.11883-3-bvanassche@acm.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_host.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 0f29799efa02..70b7475dcf56 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -458,6 +458,9 @@ struct scsi_host_template {
/* True if the host uses host-wide tagspace */
unsigned host_tagset:1;
+ /* The queuecommand callback may block. See also BLK_MQ_F_BLOCKING. */
+ unsigned queuecommand_may_block:1;
+
/*
* Countdown for host blocking with no commands outstanding.
*/
@@ -653,6 +656,9 @@ struct Scsi_Host {
/* True if the host uses host-wide tagspace */
unsigned host_tagset:1;
+ /* The queuecommand callback may block. See also BLK_MQ_F_BLOCKING. */
+ unsigned queuecommand_may_block:1;
+
/* Host responded with short (<36 bytes) INQUIRY result */
unsigned short_inquiry:1;