[PATCH 1/2] staging: lustre: replace uses of class_devno_max by MAX_OBD_DEVICES

From: Aya Mahfouz
Date: Mon Oct 17 2016 - 17:46:55 EST


class_devno_max is an inline function that returns
MAX_OBD_DEVICES. Replace all calls to the function
by MAX_OBD_DEVICES.

Signed-off-by: Aya Mahfouz <mahfouz.saif.elyazal@xxxxxxxxx>
---
drivers/staging/lustre/lustre/obdclass/class_obd.c | 6 +++---
drivers/staging/lustre/lustre/obdclass/genops.c | 22 +++++++++++-----------
.../lustre/lustre/obdclass/linux/linux-module.c | 6 +++---
3 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/class_obd.c b/drivers/staging/lustre/lustre/obdclass/class_obd.c
index 2b21675..b775c74 100644
--- a/drivers/staging/lustre/lustre/obdclass/class_obd.c
+++ b/drivers/staging/lustre/lustre/obdclass/class_obd.c
@@ -345,7 +345,7 @@ int class_handle_ioctl(unsigned int cmd, unsigned long arg)
goto out;
}
obd = class_name2obd(data->ioc_inlbuf4);
- } else if (data->ioc_dev < class_devno_max()) {
+ } else if (data->ioc_dev < MAX_OBD_DEVICES) {
obd = class_num2obd(data->ioc_dev);
} else {
CERROR("OBD ioctl: No device\n");
@@ -498,7 +498,7 @@ static int __init obdclass_init(void)
}

/* This struct is already zeroed for us (static global) */
- for (i = 0; i < class_devno_max(); i++)
+ for (i = 0; i < MAX_OBD_DEVICES; i++)
obd_devs[i] = NULL;

/* Default the dirty page cache cap to 1/2 of system memory.
@@ -548,7 +548,7 @@ static void obdclass_exit(void)
lustre_unregister_fs();

misc_deregister(&obd_psdev);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd = class_num2obd(i);

if (obd && obd->obd_set_up &&
diff --git a/drivers/staging/lustre/lustre/obdclass/genops.c b/drivers/staging/lustre/lustre/obdclass/genops.c
index 99c2da6..af4fc58 100644
--- a/drivers/staging/lustre/lustre/obdclass/genops.c
+++ b/drivers/staging/lustre/lustre/obdclass/genops.c
@@ -290,7 +290,7 @@ struct obd_device *class_newdev(const char *type_name, const char *name)
LASSERT(newdev->obd_magic == OBD_DEVICE_MAGIC);

write_lock(&obd_dev_lock);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd = class_num2obd(i);

if (obd && (strcmp(name, obd->obd_name) == 0)) {
@@ -322,9 +322,9 @@ struct obd_device *class_newdev(const char *type_name, const char *name)
}
write_unlock(&obd_dev_lock);

- if (!result && i >= class_devno_max()) {
+ if (!result && i >= MAX_OBD_DEVICES) {
CERROR("all %u OBD devices used, increase MAX_OBD_DEVICES\n",
- class_devno_max());
+ MAX_OBD_DEVICES);
result = ERR_PTR(-EOVERFLOW);
goto out;
}
@@ -372,7 +372,7 @@ int class_name2dev(const char *name)
return -1;

read_lock(&obd_dev_lock);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd = class_num2obd(i);

if (obd && strcmp(name, obd->obd_name) == 0) {
@@ -397,7 +397,7 @@ struct obd_device *class_name2obd(const char *name)
{
int dev = class_name2dev(name);

- if (dev < 0 || dev > class_devno_max())
+ if (dev < 0 || dev > MAX_OBD_DEVICES)
return NULL;
return class_num2obd(dev);
}
@@ -408,7 +408,7 @@ int class_uuid2dev(struct obd_uuid *uuid)
int i;

read_lock(&obd_dev_lock);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd = class_num2obd(i);

if (obd && obd_uuid_equals(uuid, &obd->obd_uuid)) {
@@ -435,7 +435,7 @@ struct obd_device *class_num2obd(int num)
{
struct obd_device *obd = NULL;

- if (num < class_devno_max()) {
+ if (num < MAX_OBD_DEVICES) {
obd = obd_devs[num];
if (!obd)
return NULL;
@@ -463,7 +463,7 @@ struct obd_device *class_find_client_obd(struct obd_uuid *tgt_uuid,
int i;

read_lock(&obd_dev_lock);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd = class_num2obd(i);

if (!obd)
@@ -496,13 +496,13 @@ struct obd_device *class_devices_in_group(struct obd_uuid *grp_uuid, int *next)

if (!next)
i = 0;
- else if (*next >= 0 && *next < class_devno_max())
+ else if (*next >= 0 && *next < MAX_OBD_DEVICES)
i = *next;
else
return NULL;

read_lock(&obd_dev_lock);
- for (; i < class_devno_max(); i++) {
+ for (; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd = class_num2obd(i);

if (!obd)
@@ -533,7 +533,7 @@ int class_notify_sptlrpc_conf(const char *fsname, int namelen)
LASSERT(namelen > 0);

read_lock(&obd_dev_lock);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
obd = class_num2obd(i);

if (!obd || obd->obd_set_up == 0 || obd->obd_stopping)
diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
index 33342bf..ca5b466 100644
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
@@ -228,7 +228,7 @@ static ssize_t health_show(struct kobject *kobj, struct attribute *attr,
return sprintf(buf, "LBUG\n");

read_lock(&obd_dev_lock);
- for (i = 0; i < class_devno_max(); i++) {
+ for (i = 0; i < MAX_OBD_DEVICES; i++) {
struct obd_device *obd;

obd = class_num2obd(i);
@@ -326,7 +326,7 @@ static struct attribute *lustre_attrs[] = {

static void *obd_device_list_seq_start(struct seq_file *p, loff_t *pos)
{
- if (*pos >= class_devno_max())
+ if (*pos >= MAX_OBD_DEVICES)
return NULL;

return pos;
@@ -339,7 +339,7 @@ static void obd_device_list_seq_stop(struct seq_file *p, void *v)
static void *obd_device_list_seq_next(struct seq_file *p, void *v, loff_t *pos)
{
++*pos;
- if (*pos >= class_devno_max())
+ if (*pos >= MAX_OBD_DEVICES)
return NULL;

return pos;
--
2.5.0


--
Kind Regards,
Aya Saif El-yazal Mahfouz