[PATCH 08/13] staging: lustre: lnet: remove LNET_MUTEX_LOCK macro

Mike Shuey
2015-05-21T19:51:30Z

LNET_MUTEX_LOCK and LNET_MUTEX_UNLOCK are verbose wrappers to mutex_lock and
mutex_unlock. Get rid of these.

Signed-off-by: Mike Shuey <shuey@purdue.edu>
---
.../staging/lustre/include/linux/lnet/lib-lnet.h | 2 -
drivers/staging/lustre/lnet/lnet/api-ni.c | 26 ++++++++++----------
drivers/staging/lustre/lnet/lnet/module.c | 12 ++++----
3 files changed, 19 insertions(+), 21 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
index 0038d29..d84aa9a 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
@@ -172,8 +172,6 @@ lnet_net_lock_current(void)
#define lnet_eq_wait_unlock() spin_unlock(&the_lnet.ln_eq_wait_lock)
#define lnet_ni_lock(ni) spin_lock(&(ni)->ni_lock)
#define lnet_ni_unlock(ni) spin_unlock(&(ni)->ni_lock)
-#define LNET_MUTEX_LOCK(m) mutex_lock(m)
-#define LNET_MUTEX_UNLOCK(m) mutex_unlock(m)

#define MAX_PORTALS 64

diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c b/drivers/staging/lustre/lnet/lnet/api-ni.c
index 1adc481..2230eb0 100644
--- a/drivers/staging/lustre/lnet/lnet/api-ni.c
+++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
@@ -282,7 +282,7 @@ lnet_find_lnd_by_type(int type)
void
lnet_register_lnd(lnd_t *lnd)
{
- LNET_MUTEX_LOCK(&the_lnet.ln_lnd_mutex);
+ mutex_lock(&the_lnet.ln_lnd_mutex);

LASSERT(the_lnet.ln_init);
LASSERT(libcfs_isknown_lnd(lnd->lnd_type));
@@ -293,14 +293,14 @@ lnet_register_lnd(lnd_t *lnd)

CDEBUG(D_NET, "%s LND registered\n", libcfs_lnd2str(lnd->lnd_type));

- LNET_MUTEX_UNLOCK(&the_lnet.ln_lnd_mutex);
+ mutex_unlock(&the_lnet.ln_lnd_mutex);
}
EXPORT_SYMBOL(lnet_register_lnd);

void
lnet_unregister_lnd(lnd_t *lnd)
{
- LNET_MUTEX_LOCK(&the_lnet.ln_lnd_mutex);
+ mutex_lock(&the_lnet.ln_lnd_mutex);

LASSERT(the_lnet.ln_init);
LASSERT(lnet_find_lnd_by_type(lnd->lnd_type) == lnd);
@@ -309,7 +309,7 @@ lnet_unregister_lnd(lnd_t *lnd)
list_del(&lnd->lnd_list);
CDEBUG(D_NET, "%s LND unregistered\n", libcfs_lnd2str(lnd->lnd_type));

- LNET_MUTEX_UNLOCK(&the_lnet.ln_lnd_mutex);
+ mutex_unlock(&the_lnet.ln_lnd_mutex);
}
EXPORT_SYMBOL(lnet_unregister_lnd);

@@ -1055,18 +1055,18 @@ lnet_startup_lndnis(void)
goto failed;
}

- LNET_MUTEX_LOCK(&the_lnet.ln_lnd_mutex);
+ mutex_lock(&the_lnet.ln_lnd_mutex);
lnd = lnet_find_lnd_by_type(lnd_type);

if (lnd == NULL) {
- LNET_MUTEX_UNLOCK(&the_lnet.ln_lnd_mutex);
+ mutex_unlock(&the_lnet.ln_lnd_mutex);
rc = request_module("%s",
libcfs_lnd2modname(lnd_type));
- LNET_MUTEX_LOCK(&the_lnet.ln_lnd_mutex);
+ mutex_lock(&the_lnet.ln_lnd_mutex);

lnd = lnet_find_lnd_by_type(lnd_type);
if (lnd == NULL) {
- LNET_MUTEX_UNLOCK(&the_lnet.ln_lnd_mutex);
+ mutex_unlock(&the_lnet.ln_lnd_mutex);
CERROR("Can't load LND %s, module %s, rc=%d\n",
libcfs_lnd2str(lnd_type),
libcfs_lnd2modname(lnd_type), rc);
@@ -1082,7 +1082,7 @@ lnet_startup_lndnis(void)

rc = (lnd->lnd_startup)(ni);

- LNET_MUTEX_UNLOCK(&the_lnet.ln_lnd_mutex);
+ mutex_unlock(&the_lnet.ln_lnd_mutex);

if (rc != 0) {
LCONSOLE_ERROR_MSG(0x105, "Error %d starting up LNI %s\n",
@@ -1272,7 +1272,7 @@ LNetNIInit(lnet_pid_t requested_pid)
int im_a_router = 0;
int rc;

- LNET_MUTEX_LOCK(&the_lnet.ln_api_mutex);
+ mutex_lock(&the_lnet.ln_api_mutex);

LASSERT(the_lnet.ln_init);
CDEBUG(D_OTHER, "refs %d\n", the_lnet.ln_refcount);
@@ -1343,7 +1343,7 @@ LNetNIInit(lnet_pid_t requested_pid)
failed0:
LASSERT(rc < 0);
out:
- LNET_MUTEX_UNLOCK(&the_lnet.ln_api_mutex);
+ mutex_unlock(&the_lnet.ln_api_mutex);
return rc;
}
EXPORT_SYMBOL(LNetNIInit);
@@ -1360,7 +1360,7 @@ EXPORT_SYMBOL(LNetNIInit);
int
LNetNIFini(void)
{
- LNET_MUTEX_LOCK(&the_lnet.ln_api_mutex);
+ mutex_lock(&the_lnet.ln_api_mutex);

LASSERT(the_lnet.ln_init);
LASSERT(the_lnet.ln_refcount > 0);
@@ -1383,7 +1383,7 @@ LNetNIFini(void)
lnet_unprepare();
}

- LNET_MUTEX_UNLOCK(&the_lnet.ln_api_mutex);
+ mutex_unlock(&the_lnet.ln_api_mutex);
return 0;
}
EXPORT_SYMBOL(LNetNIFini);
diff --git a/drivers/staging/lustre/lnet/lnet/module.c b/drivers/staging/lustre/lnet/lnet/module.c
index f73d644..6881b9c 100644
--- a/drivers/staging/lustre/lnet/lnet/module.c
+++ b/drivers/staging/lustre/lnet/lnet/module.c
@@ -49,7 +49,7 @@ lnet_configure(void *arg)
/* 'arg' only there so I can be passed to cfs_create_thread() */
int rc = 0;

- LNET_MUTEX_LOCK(&lnet_config_mutex);
+ mutex_lock(&lnet_config_mutex);

if (!the_lnet.ln_niinit_self) {
rc = LNetNIInit(LUSTRE_SRV_LNET_PID);
@@ -59,7 +59,7 @@ lnet_configure(void *arg)
}
}

- LNET_MUTEX_UNLOCK(&lnet_config_mutex);
+ mutex_unlock(&lnet_config_mutex);
return rc;
}

@@ -68,18 +68,18 @@ lnet_unconfigure(void)
{
int refcount;

- LNET_MUTEX_LOCK(&lnet_config_mutex);
+ mutex_lock(&lnet_config_mutex);

if (the_lnet.ln_niinit_self) {
the_lnet.ln_niinit_self = 0;
LNetNIFini();
}

- LNET_MUTEX_LOCK(&the_lnet.ln_api_mutex);
+ mutex_lock(&the_lnet.ln_api_mutex);
refcount = the_lnet.ln_refcount;
- LNET_MUTEX_UNLOCK(&the_lnet.ln_api_mutex);
+ mutex_unlock(&the_lnet.ln_api_mutex);

- LNET_MUTEX_UNLOCK(&lnet_config_mutex);
+ mutex_unlock(&lnet_config_mutex);
return (refcount == 0) ? 0 : -EBUSY;
}

--
1.7.1