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| author | Christoph Hellwig <hch@lst.de> | 2016-07-13 13:19:05 +0900 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2016-07-15 15:11:20 -0400 |
| commit | 9aa9cc4221f5154ed93e999662ccfef7b6a82e3e (patch) | |
| tree | 94557a4eb24940fcdc123cc793aaf54a73635918 | |
| parent | 757f9d7a801236a9c49468af9e64cd7c447c2f8e (diff) | |
| download | linux-stable-9aa9cc4221f5154ed93e999662ccfef7b6a82e3e.tar.gz linux-stable-9aa9cc4221f5154ed93e999662ccfef7b6a82e3e.tar.bz2 linux-stable-9aa9cc4221f5154ed93e999662ccfef7b6a82e3e.zip | |
scsi: remove the disable_blk_mq host flag
We've had scsi-mq for 2.5 years now, so we can remove the unused flag to
disable the code on a per-host basis that was put in for unexpected
emergencies during bringup.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/hosts.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/scsi.c | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 6 |
3 files changed, 3 insertions, 6 deletions
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 1547bd93c70b..ba9af4a2bd2a 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -486,8 +486,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) else shost->dma_boundary = 0xffffffff; - shost->use_blk_mq = scsi_use_blk_mq && !shost->hostt->disable_blk_mq; - device_initialize(&shost->shost_gendev); dev_set_name(&shost->shost_gendev, "host%d", shost->host_no); shost->shost_gendev.bus = &scsi_bus_type; diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 1deb6adc411f..1f36aca44394 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -1160,6 +1160,7 @@ bool scsi_use_blk_mq = true; bool scsi_use_blk_mq = false; #endif module_param_named(use_blk_mq, scsi_use_blk_mq, bool, S_IWUSR | S_IRUGO); +EXPORT_SYMBOL_GPL(scsi_use_blk_mq); static int __init init_scsi(void) { diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index 76e9d278c334..0dee7afa93d6 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -495,9 +495,6 @@ struct scsi_host_template { */ unsigned int cmd_size; struct scsi_host_cmd_pool *cmd_pool; - - /* temporary flag to disable blk-mq I/O path */ - bool disable_blk_mq; }; /* @@ -778,7 +775,8 @@ extern bool scsi_use_blk_mq; static inline bool shost_use_blk_mq(struct Scsi_Host *shost) { - return shost->use_blk_mq; + return scsi_use_blk_mq; + } extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *); |