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| author | Robert Love <robert.w.love@intel.com> | 2011-01-28 16:04:29 -0800 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2011-02-12 11:02:25 -0600 |
| commit | 04885b16a1ec86b4670702b99a81805e66bf9f30 (patch) | |
| tree | 136525d2615f044bd1a362790529c4ac2b45cdd5 | |
| parent | 925cedae2b223d44d59a02df1b35902fc8bdd6d2 (diff) | |
| download | talos-op-linux-04885b16a1ec86b4670702b99a81805e66bf9f30.tar.gz talos-op-linux-04885b16a1ec86b4670702b99a81805e66bf9f30.zip | |
[SCSI] libfc: Remove usage of the Scsi_Host's host_lock
This patch removes the use of the Scsi_Host's host_lock
within fc_queuecommand. It also removes the DEF_SCSI_QCMD
usage so that libfc has fully moved on to the new
queuecommand interface.
Signed-off-by: Robert Love <robert.w.love@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Reviewed-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
| -rw-r--r-- | drivers/scsi/libfc/fc_fcp.c | 20 |
1 files changed, 6 insertions, 14 deletions
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index 383a98288d2e..b1b03af158bf 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -1789,15 +1789,14 @@ static inline int fc_fcp_lport_queue_ready(struct fc_lport *lport) /** * fc_queuecommand() - The queuecommand function of the SCSI template + * @shost: The Scsi_Host that the command was issued to * @cmd: The scsi_cmnd to be executed - * @done: The callback function to be called when the scsi_cmnd is complete * - * This is the i/o strategy routine, called by the SCSI layer. This routine - * is called with the host_lock held. + * This is the i/o strategy routine, called by the SCSI layer. */ -static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scsi_cmnd *)) +int fc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *sc_cmd) { - struct fc_lport *lport; + struct fc_lport *lport = shost_priv(shost); struct fc_rport *rport = starget_to_rport(scsi_target(sc_cmd->device)); struct fc_fcp_pkt *fsp; struct fc_rport_libfc_priv *rpriv; @@ -1805,15 +1804,12 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs int rc = 0; struct fcoe_dev_stats *stats; - lport = shost_priv(sc_cmd->device->host); - rval = fc_remote_port_chkready(rport); if (rval) { sc_cmd->result = rval; - done(sc_cmd); + sc_cmd->scsi_done(sc_cmd); return 0; } - spin_unlock_irq(lport->host->host_lock); if (!*(struct fc_remote_port **)rport->dd_data) { /* @@ -1821,7 +1817,7 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs * online */ sc_cmd->result = DID_IMM_RETRY << 16; - done(sc_cmd); + sc_cmd->scsi_done(sc_cmd); goto out; } @@ -1845,7 +1841,6 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs */ fsp->cmd = sc_cmd; /* save the cmd */ fsp->rport = rport; /* set the remote port ptr */ - sc_cmd->scsi_done = done; /* * set up the transfer length @@ -1886,11 +1881,8 @@ static int fc_queuecommand_lck(struct scsi_cmnd *sc_cmd, void (*done)(struct scs rc = SCSI_MLQUEUE_HOST_BUSY; } out: - spin_lock_irq(lport->host->host_lock); return rc; } - -DEF_SCSI_QCMD(fc_queuecommand) EXPORT_SYMBOL(fc_queuecommand); /** |
