diff options
| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2014-03-28 00:40:36 +0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-28 20:13:25 +0400 |
| commit | a48ac9e5d4f3555bdec2fd61e49fc71b26810d68 (patch) | |
| tree | ce61a979e4ff2e0f684a25d7861bec07752200a2 /drivers/message/fusion/mptspi.c | |
| parent | ecc3bc982596cb66bd7f951e2f36503f4841c0c8 (diff) | |
| download | linux-a48ac9e5d4f3555bdec2fd61e49fc71b26810d68.tar.xz | |
fusion: Remove use of DEF_SCSI_QCMD
Removing the host_lock from the I/O submission path gives a huge
scalability improvement.
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Nicholas Bellinger <nab@linux-iscsi.org>
Reviewed-by: Praveen Krishnamoorthy <Praveen.krishnamoorthy@lsi.com>
Acked-by: Sreekanth Reddy <Sreekanth.reddy@lsi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/message/fusion/mptspi.c')
| -rw-r--r-- | drivers/message/fusion/mptspi.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c index 5653e505f91f..49d11338294b 100644 --- a/drivers/message/fusion/mptspi.c +++ b/drivers/message/fusion/mptspi.c @@ -780,33 +780,31 @@ static int mptspi_slave_configure(struct scsi_device *sdev) } static int -mptspi_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +mptspi_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt) { - struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host); + struct _MPT_SCSI_HOST *hd = shost_priv(shost); VirtDevice *vdevice = SCpnt->device->hostdata; MPT_ADAPTER *ioc = hd->ioc; if (!vdevice || !vdevice->vtarget) { SCpnt->result = DID_NO_CONNECT << 16; - done(SCpnt); + SCpnt->scsi_done(SCpnt); return 0; } if (SCpnt->device->channel == 1 && mptscsih_is_phys_disk(ioc, 0, SCpnt->device->id) == 0) { SCpnt->result = DID_NO_CONNECT << 16; - done(SCpnt); + SCpnt->scsi_done(SCpnt); return 0; } if (spi_dv_pending(scsi_target(SCpnt->device))) ddvprintk(ioc, scsi_print_command(SCpnt)); - return mptscsih_qcmd(SCpnt,done); + return mptscsih_qcmd(SCpnt); } -static DEF_SCSI_QCMD(mptspi_qcmd) - static void mptspi_slave_destroy(struct scsi_device *sdev) { struct scsi_target *starget = scsi_target(sdev); |