* [PATCH] scsi: libiscsi: Convert timers to use timer_setup()
@ 2017-10-16 23:54 ` Kees Cook
0 siblings, 0 replies; 6+ messages in thread
From: Kees Cook @ 2017-10-16 23:54 UTC (permalink / raw)
To: Martin K. Petersen
Cc: Lee Duncan, Chris Leech, James E.J. Bottomley,
Martin K. Petersen, open-iscsi, linux-scsi, linux-kernel
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Lee Duncan <lduncan@suse.com>
Cc: Chris Leech <cleech@redhat.com>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: open-iscsi@googlegroups.com
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
drivers/scsi/libiscsi.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index f8dc1601efd5..9c50d2d9f27c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1805,9 +1805,9 @@ int iscsi_target_alloc(struct scsi_target *starget)
}
EXPORT_SYMBOL_GPL(iscsi_target_alloc);
-static void iscsi_tmf_timedout(unsigned long data)
+static void iscsi_tmf_timedout(struct timer_list *t)
{
- struct iscsi_conn *conn = (struct iscsi_conn *)data;
+ struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
struct iscsi_session *session = conn->session;
spin_lock(&session->frwd_lock);
@@ -1838,8 +1838,6 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
}
conn->tmfcmd_pdus_cnt++;
conn->tmf_timer.expires = timeout * HZ + jiffies;
- conn->tmf_timer.function = iscsi_tmf_timedout;
- conn->tmf_timer.data = (unsigned long)conn;
add_timer(&conn->tmf_timer);
ISCSI_DBG_EH(session, "tmf set timeout\n");
@@ -2089,9 +2087,9 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
}
EXPORT_SYMBOL_GPL(iscsi_eh_cmd_timed_out);
-static void iscsi_check_transport_timeouts(unsigned long data)
+static void iscsi_check_transport_timeouts(struct timer_list *t)
{
- struct iscsi_conn *conn = (struct iscsi_conn *)data;
+ struct iscsi_conn *conn = from_timer(conn, t, transport_timer);
struct iscsi_session *session = conn->session;
unsigned long recv_timeout, next_timeout = 0, last_recv;
@@ -2913,9 +2911,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
conn->exp_statsn = 0;
conn->tmf_state = TMF_INITIAL;
- init_timer(&conn->transport_timer);
- conn->transport_timer.data = (unsigned long)conn;
- conn->transport_timer.function = iscsi_check_transport_timeouts;
+ timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
INIT_LIST_HEAD(&conn->mgmtqueue);
INIT_LIST_HEAD(&conn->cmdqueue);
@@ -2939,7 +2935,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
goto login_task_data_alloc_fail;
conn->login_task->data = conn->data = data;
- init_timer(&conn->tmf_timer);
+ timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
init_waitqueue_head(&conn->ehwait);
return cls_conn;
--
2.7.4
--
Kees Cook
Pixel Security
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH] scsi: libiscsi: Convert timers to use timer_setup()
@ 2017-10-16 23:54 ` Kees Cook
0 siblings, 0 replies; 6+ messages in thread
From: Kees Cook @ 2017-10-16 23:54 UTC (permalink / raw)
Cc: Lee Duncan, Chris Leech, James E.J. Bottomley,
Martin K. Petersen, open-iscsi, linux-scsi, linux-kernel
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Cc: Lee Duncan <lduncan@suse.com>
Cc: Chris Leech <cleech@redhat.com>
Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: open-iscsi@googlegroups.com
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
drivers/scsi/libiscsi.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index f8dc1601efd5..9c50d2d9f27c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1805,9 +1805,9 @@ int iscsi_target_alloc(struct scsi_target *starget)
}
EXPORT_SYMBOL_GPL(iscsi_target_alloc);
-static void iscsi_tmf_timedout(unsigned long data)
+static void iscsi_tmf_timedout(struct timer_list *t)
{
- struct iscsi_conn *conn = (struct iscsi_conn *)data;
+ struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
struct iscsi_session *session = conn->session;
spin_lock(&session->frwd_lock);
@@ -1838,8 +1838,6 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
}
conn->tmfcmd_pdus_cnt++;
conn->tmf_timer.expires = timeout * HZ + jiffies;
- conn->tmf_timer.function = iscsi_tmf_timedout;
- conn->tmf_timer.data = (unsigned long)conn;
add_timer(&conn->tmf_timer);
ISCSI_DBG_EH(session, "tmf set timeout\n");
@@ -2089,9 +2087,9 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
}
EXPORT_SYMBOL_GPL(iscsi_eh_cmd_timed_out);
-static void iscsi_check_transport_timeouts(unsigned long data)
+static void iscsi_check_transport_timeouts(struct timer_list *t)
{
- struct iscsi_conn *conn = (struct iscsi_conn *)data;
+ struct iscsi_conn *conn = from_timer(conn, t, transport_timer);
struct iscsi_session *session = conn->session;
unsigned long recv_timeout, next_timeout = 0, last_recv;
@@ -2913,9 +2911,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
conn->exp_statsn = 0;
conn->tmf_state = TMF_INITIAL;
- init_timer(&conn->transport_timer);
- conn->transport_timer.data = (unsigned long)conn;
- conn->transport_timer.function = iscsi_check_transport_timeouts;
+ timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
INIT_LIST_HEAD(&conn->mgmtqueue);
INIT_LIST_HEAD(&conn->cmdqueue);
@@ -2939,7 +2935,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
goto login_task_data_alloc_fail;
conn->login_task->data = conn->data = data;
- init_timer(&conn->tmf_timer);
+ timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
init_waitqueue_head(&conn->ehwait);
return cls_conn;
--
2.7.4
--
Kees Cook
Pixel Security
^ permalink raw reply related [flat|nested] 6+ messages in thread
* Re: [PATCH] scsi: libiscsi: Convert timers to use timer_setup()
2017-10-16 23:54 ` Kees Cook
(?)
@ 2017-10-17 4:08 ` Martin K. Petersen
-1 siblings, 0 replies; 6+ messages in thread
From: Martin K. Petersen @ 2017-10-17 4:08 UTC (permalink / raw)
To: Kees Cook
Cc: Martin K. Petersen, Lee Duncan, Chris Leech,
James E.J. Bottomley, open-iscsi, linux-scsi, linux-kernel
Kees,
> In preparation for unconditionally passing the struct timer_list
> pointer to all timer callbacks, switch to using the new timer_setup()
> and from_timer() to pass the timer pointer explicitly.
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
--
Martin K. Petersen Oracle Linux Engineering
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] scsi: libiscsi: Convert timers to use timer_setup()
2017-10-16 23:54 ` Kees Cook
@ 2017-10-17 17:11 ` Chris Leech
-1 siblings, 0 replies; 6+ messages in thread
From: Chris Leech @ 2017-10-17 17:11 UTC (permalink / raw)
To: Kees Cook
Cc: Martin K. Petersen, Lee Duncan, James E.J. Bottomley, open-iscsi,
linux-scsi, linux-kernel
Reviewed-by: Chris Leech <cleech@redhat.com>
----- Original Message -----
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
>
> Cc: Lee Duncan <lduncan@suse.com>
> Cc: Chris Leech <cleech@redhat.com>
> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com>
> Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
> Cc: open-iscsi@googlegroups.com
> Cc: linux-scsi@vger.kernel.org
> Signed-off-by: Kees Cook <keescook@chromium.org>
> ---
> drivers/scsi/libiscsi.c | 16 ++++++----------
> 1 file changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
> index f8dc1601efd5..9c50d2d9f27c 100644
> --- a/drivers/scsi/libiscsi.c
> +++ b/drivers/scsi/libiscsi.c
> @@ -1805,9 +1805,9 @@ int iscsi_target_alloc(struct scsi_target *starget)
> }
> EXPORT_SYMBOL_GPL(iscsi_target_alloc);
>
> -static void iscsi_tmf_timedout(unsigned long data)
> +static void iscsi_tmf_timedout(struct timer_list *t)
> {
> - struct iscsi_conn *conn = (struct iscsi_conn *)data;
> + struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
> struct iscsi_session *session = conn->session;
>
> spin_lock(&session->frwd_lock);
> @@ -1838,8 +1838,6 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn
> *conn,
> }
> conn->tmfcmd_pdus_cnt++;
> conn->tmf_timer.expires = timeout * HZ + jiffies;
> - conn->tmf_timer.function = iscsi_tmf_timedout;
> - conn->tmf_timer.data = (unsigned long)conn;
> add_timer(&conn->tmf_timer);
> ISCSI_DBG_EH(session, "tmf set timeout\n");
>
> @@ -2089,9 +2087,9 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct
> scsi_cmnd *sc)
> }
> EXPORT_SYMBOL_GPL(iscsi_eh_cmd_timed_out);
>
> -static void iscsi_check_transport_timeouts(unsigned long data)
> +static void iscsi_check_transport_timeouts(struct timer_list *t)
> {
> - struct iscsi_conn *conn = (struct iscsi_conn *)data;
> + struct iscsi_conn *conn = from_timer(conn, t, transport_timer);
> struct iscsi_session *session = conn->session;
> unsigned long recv_timeout, next_timeout = 0, last_recv;
>
> @@ -2913,9 +2911,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session,
> int dd_size,
> conn->exp_statsn = 0;
> conn->tmf_state = TMF_INITIAL;
>
> - init_timer(&conn->transport_timer);
> - conn->transport_timer.data = (unsigned long)conn;
> - conn->transport_timer.function = iscsi_check_transport_timeouts;
> + timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
>
> INIT_LIST_HEAD(&conn->mgmtqueue);
> INIT_LIST_HEAD(&conn->cmdqueue);
> @@ -2939,7 +2935,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session,
> int dd_size,
> goto login_task_data_alloc_fail;
> conn->login_task->data = conn->data = data;
>
> - init_timer(&conn->tmf_timer);
> + timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
> init_waitqueue_head(&conn->ehwait);
>
> return cls_conn;
> --
> 2.7.4
>
>
> --
> Kees Cook
> Pixel Security
>
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: [PATCH] scsi: libiscsi: Convert timers to use timer_setup()
@ 2017-10-17 17:11 ` Chris Leech
0 siblings, 0 replies; 6+ messages in thread
From: Chris Leech @ 2017-10-17 17:11 UTC (permalink / raw)
To: Kees Cook
Cc: Martin K. Petersen, Lee Duncan, James E.J. Bottomley,
open-iscsi-/JYPxA39Uh5TLH3MbocFFw,
linux-scsi-u79uwXL29TY76Z2rM5mHXA,
linux-kernel-u79uwXL29TY76Z2rM5mHXA
Reviewed-by: Chris Leech <cleech-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
----- Original Message -----
> In preparation for unconditionally passing the struct timer_list pointer to
> all timer callbacks, switch to using the new timer_setup() and from_timer()
> to pass the timer pointer explicitly.
>
> Cc: Lee Duncan <lduncan-IBi9RG/b67k@public.gmane.org>
> Cc: Chris Leech <cleech-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
> Cc: "James E.J. Bottomley" <jejb-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
> Cc: "Martin K. Petersen" <martin.petersen-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
> Cc: open-iscsi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
> Cc: linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> Signed-off-by: Kees Cook <keescook-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
> ---
> drivers/scsi/libiscsi.c | 16 ++++++----------
> 1 file changed, 6 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
> index f8dc1601efd5..9c50d2d9f27c 100644
> --- a/drivers/scsi/libiscsi.c
> +++ b/drivers/scsi/libiscsi.c
> @@ -1805,9 +1805,9 @@ int iscsi_target_alloc(struct scsi_target *starget)
> }
> EXPORT_SYMBOL_GPL(iscsi_target_alloc);
>
> -static void iscsi_tmf_timedout(unsigned long data)
> +static void iscsi_tmf_timedout(struct timer_list *t)
> {
> - struct iscsi_conn *conn = (struct iscsi_conn *)data;
> + struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
> struct iscsi_session *session = conn->session;
>
> spin_lock(&session->frwd_lock);
> @@ -1838,8 +1838,6 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn
> *conn,
> }
> conn->tmfcmd_pdus_cnt++;
> conn->tmf_timer.expires = timeout * HZ + jiffies;
> - conn->tmf_timer.function = iscsi_tmf_timedout;
> - conn->tmf_timer.data = (unsigned long)conn;
> add_timer(&conn->tmf_timer);
> ISCSI_DBG_EH(session, "tmf set timeout\n");
>
> @@ -2089,9 +2087,9 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct
> scsi_cmnd *sc)
> }
> EXPORT_SYMBOL_GPL(iscsi_eh_cmd_timed_out);
>
> -static void iscsi_check_transport_timeouts(unsigned long data)
> +static void iscsi_check_transport_timeouts(struct timer_list *t)
> {
> - struct iscsi_conn *conn = (struct iscsi_conn *)data;
> + struct iscsi_conn *conn = from_timer(conn, t, transport_timer);
> struct iscsi_session *session = conn->session;
> unsigned long recv_timeout, next_timeout = 0, last_recv;
>
> @@ -2913,9 +2911,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session,
> int dd_size,
> conn->exp_statsn = 0;
> conn->tmf_state = TMF_INITIAL;
>
> - init_timer(&conn->transport_timer);
> - conn->transport_timer.data = (unsigned long)conn;
> - conn->transport_timer.function = iscsi_check_transport_timeouts;
> + timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
>
> INIT_LIST_HEAD(&conn->mgmtqueue);
> INIT_LIST_HEAD(&conn->cmdqueue);
> @@ -2939,7 +2935,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session,
> int dd_size,
> goto login_task_data_alloc_fail;
> conn->login_task->data = conn->data = data;
>
> - init_timer(&conn->tmf_timer);
> + timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
> init_waitqueue_head(&conn->ehwait);
>
> return cls_conn;
> --
> 2.7.4
>
>
> --
> Kees Cook
> Pixel Security
>
--
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^ permalink raw reply [flat|nested] 6+ messages in thread
* [PATCH] scsi: libiscsi: Convert timers to use timer_setup()
@ 2017-10-18 20:32 Kees Cook
0 siblings, 0 replies; 6+ messages in thread
From: Kees Cook @ 2017-10-18 20:32 UTC (permalink / raw)
To: Thomas Gleixner; +Cc: Chris Leech, Martin K. Petersen, linux-kernel
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.
Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Chris Leech <cleech@redhat.com>
---
This is a resend to tglx, with Reviews/Acks. Martin Petersen suggested
that scsi timer conversions should go via the timer tree.
---
drivers/scsi/libiscsi.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index f8dc1601efd5..9c50d2d9f27c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -1805,9 +1805,9 @@ int iscsi_target_alloc(struct scsi_target *starget)
}
EXPORT_SYMBOL_GPL(iscsi_target_alloc);
-static void iscsi_tmf_timedout(unsigned long data)
+static void iscsi_tmf_timedout(struct timer_list *t)
{
- struct iscsi_conn *conn = (struct iscsi_conn *)data;
+ struct iscsi_conn *conn = from_timer(conn, t, tmf_timer);
struct iscsi_session *session = conn->session;
spin_lock(&session->frwd_lock);
@@ -1838,8 +1838,6 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn,
}
conn->tmfcmd_pdus_cnt++;
conn->tmf_timer.expires = timeout * HZ + jiffies;
- conn->tmf_timer.function = iscsi_tmf_timedout;
- conn->tmf_timer.data = (unsigned long)conn;
add_timer(&conn->tmf_timer);
ISCSI_DBG_EH(session, "tmf set timeout\n");
@@ -2089,9 +2087,9 @@ enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc)
}
EXPORT_SYMBOL_GPL(iscsi_eh_cmd_timed_out);
-static void iscsi_check_transport_timeouts(unsigned long data)
+static void iscsi_check_transport_timeouts(struct timer_list *t)
{
- struct iscsi_conn *conn = (struct iscsi_conn *)data;
+ struct iscsi_conn *conn = from_timer(conn, t, transport_timer);
struct iscsi_session *session = conn->session;
unsigned long recv_timeout, next_timeout = 0, last_recv;
@@ -2913,9 +2911,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
conn->exp_statsn = 0;
conn->tmf_state = TMF_INITIAL;
- init_timer(&conn->transport_timer);
- conn->transport_timer.data = (unsigned long)conn;
- conn->transport_timer.function = iscsi_check_transport_timeouts;
+ timer_setup(&conn->transport_timer, iscsi_check_transport_timeouts, 0);
INIT_LIST_HEAD(&conn->mgmtqueue);
INIT_LIST_HEAD(&conn->cmdqueue);
@@ -2939,7 +2935,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size,
goto login_task_data_alloc_fail;
conn->login_task->data = conn->data = data;
- init_timer(&conn->tmf_timer);
+ timer_setup(&conn->tmf_timer, iscsi_tmf_timedout, 0);
init_waitqueue_head(&conn->ehwait);
return cls_conn;
--
2.7.4
--
Kees Cook
Pixel Security
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2017-10-18 20:32 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-10-16 23:54 [PATCH] scsi: libiscsi: Convert timers to use timer_setup() Kees Cook
2017-10-16 23:54 ` Kees Cook
2017-10-17 4:08 ` Martin K. Petersen
2017-10-17 17:11 ` Chris Leech
2017-10-17 17:11 ` Chris Leech
2017-10-18 20:32 Kees Cook
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