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| author | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2014-03-27 16:40:36 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-05-28 18:13:25 +0200 |
| commit | a48ac9e5d4f3555bdec2fd61e49fc71b26810d68 (patch) | |
| tree | ce61a979e4ff2e0f684a25d7861bec07752200a2 /drivers/message/fusion/mptfc.c | |
| parent | ecc3bc982596cb66bd7f951e2f36503f4841c0c8 (diff) | |
| download | linux-a48ac9e5d4f3555bdec2fd61e49fc71b26810d68.tar.gz linux-a48ac9e5d4f3555bdec2fd61e49fc71b26810d68.tar.bz2 linux-a48ac9e5d4f3555bdec2fd61e49fc71b26810d68.zip | |
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/mptfc.c')
| -rw-r--r-- | drivers/message/fusion/mptfc.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c index fd75108c355e..02a3eefd6931 100644 --- a/drivers/message/fusion/mptfc.c +++ b/drivers/message/fusion/mptfc.c @@ -649,7 +649,7 @@ mptfc_slave_alloc(struct scsi_device *sdev) } static int -mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) +mptfc_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *SCpnt) { struct mptfc_rport_info *ri; struct fc_rport *rport = starget_to_rport(scsi_target(SCpnt->device)); @@ -658,14 +658,14 @@ mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) if (!vdevice || !vdevice->vtarget) { SCpnt->result = DID_NO_CONNECT << 16; - done(SCpnt); + SCpnt->scsi_done(SCpnt); return 0; } err = fc_remote_port_chkready(rport); if (unlikely(err)) { SCpnt->result = err; - done(SCpnt); + SCpnt->scsi_done(SCpnt); return 0; } @@ -673,15 +673,13 @@ mptfc_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *)) ri = *((struct mptfc_rport_info **)rport->dd_data); if (unlikely(!ri)) { SCpnt->result = DID_IMM_RETRY << 16; - done(SCpnt); + SCpnt->scsi_done(SCpnt); return 0; } - return mptscsih_qcmd(SCpnt,done); + return mptscsih_qcmd(SCpnt); } -static DEF_SCSI_QCMD(mptfc_qcmd) - /* * mptfc_display_port_link_speed - displaying link speed * @ioc: Pointer to MPT_ADAPTER structure |