[SCSI] allow sleeping in ->eh_host_reset_handler()

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

3 files changed, 12 insertions, 9 deletions

diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c
index cdea598d0c1b..fbd9ff79b7b8 100644
--- a/drivers/fc4/fc.c
+++ b/drivers/fc4/fc.c
@@ -1005,13 +1005,7 @@ int fcp_scsi_dev_reset(Scsi_Cmnd *SCpnt)
         return SUCCESS;
 }
 
-int fcp_scsi_bus_reset(Scsi_Cmnd *SCpnt)
-{
-        printk ("FC: bus reset!\n");
-        return FAILED;
-}
-
-int fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
+static int __fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
 {
         fc_channel *fc = FC_SCMND(SCpnt);
         fcp_cmnd *fcmd = FCP_CMND(SCpnt);
@@ -1032,6 +1026,17 @@ int fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
         else return FAILED;
 }
 
+int fcp_scsi_host_reset(Scsi_Cmnd *SCpnt)
+{
+        int rc;
+
+        spin_lock_irqsave(SCpnt->device->host->host_lock, flags);
+        rc = __fcp_scsi_host_reset(SCpnt);
+        spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags);
+
+        return rc;
+}
+
 static int fcp_els_queue_it(fc_channel *fc, fcp_cmnd *fcmd)
 {
         long i;
diff --git a/drivers/fc4/fc_syms.c b/drivers/fc4/fc_syms.c
index 8bac2c453027..ed85dfcef69a 100644
--- a/drivers/fc4/fc_syms.c
+++ b/drivers/fc4/fc_syms.c
@@ -27,7 +27,6 @@ EXPORT_SYMBOL(fc_do_prli);
 EXPORT_SYMBOL(fcp_scsi_queuecommand);
 EXPORT_SYMBOL(fcp_scsi_abort);
 EXPORT_SYMBOL(fcp_scsi_dev_reset);
-EXPORT_SYMBOL(fcp_scsi_bus_reset);
 EXPORT_SYMBOL(fcp_scsi_host_reset);
 
 #endif /* CONFIG_MODULES */
diff --git a/drivers/fc4/fcp_impl.h b/drivers/fc4/fcp_impl.h
index e44d652a83dc..c397c84bef63 100644
--- a/drivers/fc4/fcp_impl.h
+++ b/drivers/fc4/fcp_impl.h
@@ -158,7 +158,6 @@ int fc_do_prli(fc_channel *, unsigned char);
 int fcp_scsi_queuecommand(Scsi_Cmnd *, void (* done)(Scsi_Cmnd *));
 int fcp_scsi_abort(Scsi_Cmnd *);
 int fcp_scsi_dev_reset(Scsi_Cmnd *);
-int fcp_scsi_bus_reset(Scsi_Cmnd *);
 int fcp_scsi_host_reset(Scsi_Cmnd *);
 
 #endif /* !(_FCP_SCSI_H) */