From: Roland Dreier <rolandd@cisco.com>
To: linux-kernel@vger.kernel.org, openib-general@openib.org
Subject: [git patch review 2/4] IB/srp: Semaphore to mutex conversion
Date: Tue, 31 Jan 2006 00:45:32 +0000 [thread overview]
Message-ID: <1138668332064-f9cb54cbde95165a@cisco.com> (raw)
In-Reply-To: <1138668332064-a06b57921710eb35@cisco.com>
Convert srp_host->target_mutex from a semaphore to a mutex.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
---
drivers/infiniband/ulp/srp/ib_srp.c | 14 +++++++-------
drivers/infiniband/ulp/srp/ib_srp.h | 5 ++---
2 files changed, 9 insertions(+), 10 deletions(-)
8e9e5f4f5eb1d44ddabfd1ddea4ca4e4244a9ffb
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 31207e6..2d2d4ac 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -357,9 +357,9 @@ static void srp_remove_work(void *target
target->state = SRP_TARGET_REMOVED;
spin_unlock_irq(target->scsi_host->host_lock);
- down(&target->srp_host->target_mutex);
+ mutex_lock(&target->srp_host->target_mutex);
list_del(&target->list);
- up(&target->srp_host->target_mutex);
+ mutex_unlock(&target->srp_host->target_mutex);
scsi_remove_host(target->scsi_host);
ib_destroy_cm_id(target->cm_id);
@@ -1254,9 +1254,9 @@ static int srp_add_target(struct srp_hos
if (scsi_add_host(target->scsi_host, host->dev->dma_device))
return -ENODEV;
- down(&host->target_mutex);
+ mutex_lock(&host->target_mutex);
list_add_tail(&target->list, &host->target_list);
- up(&host->target_mutex);
+ mutex_unlock(&host->target_mutex);
target->state = SRP_TARGET_LIVE;
@@ -1525,7 +1525,7 @@ static struct srp_host *srp_add_port(str
return NULL;
INIT_LIST_HEAD(&host->target_list);
- init_MUTEX(&host->target_mutex);
+ mutex_init(&host->target_mutex);
init_completion(&host->released);
host->dev = device;
host->port = port;
@@ -1626,7 +1626,7 @@ static void srp_remove_one(struct ib_dev
* Mark all target ports as removed, so we stop queueing
* commands and don't try to reconnect.
*/
- down(&host->target_mutex);
+ mutex_lock(&host->target_mutex);
list_for_each_entry_safe(target, tmp_target,
&host->target_list, list) {
spin_lock_irqsave(target->scsi_host->host_lock, flags);
@@ -1634,7 +1634,7 @@ static void srp_remove_one(struct ib_dev
target->state = SRP_TARGET_REMOVED;
spin_unlock_irqrestore(target->scsi_host->host_lock, flags);
}
- up(&host->target_mutex);
+ mutex_unlock(&host->target_mutex);
/*
* Wait for any reconnection tasks that may have
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index b564f18..4e7727d 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -37,8 +37,7 @@
#include <linux/types.h>
#include <linux/list.h>
-
-#include <asm/semaphore.h>
+#include <linux/mutex.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
@@ -85,7 +84,7 @@ struct srp_host {
struct ib_mr *mr;
struct class_device class_dev;
struct list_head target_list;
- struct semaphore target_mutex;
+ struct mutex target_mutex;
struct completion released;
struct list_head list;
};
--
1.1.3
next prev parent reply other threads:[~2006-01-31 0:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-31 0:45 [git patch review 1/4] IB/mthca: Relax UAR size check Roland Dreier
2006-01-31 0:45 ` Roland Dreier [this message]
2006-01-31 0:45 ` [git patch review 3/4] IB/mthca: Don't cancel commands on a signal Roland Dreier
2006-01-31 0:45 ` [git patch review 4/4] IB/mthca: Semaphore to mutex conversions Roland Dreier
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