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-rw-r--r--drivers/s390/scsi/zfcp_sysfs.c82
1 files changed, 40 insertions, 42 deletions
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index cb67fa80fb12..304b81bb5f90 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -24,7 +24,7 @@ static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev, \
{ \
struct _feat_def *_feat = container_of(dev, struct _feat_def, dev); \
\
- return sprintf(buf, _format, _value); \
+ return sysfs_emit(buf, _format, _value); \
} \
static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \
zfcp_sysfs_##_feat##_##_name##_show, NULL);
@@ -34,7 +34,7 @@ static ssize_t zfcp_sysfs_##_feat##_##_name##_show(struct device *dev, \
struct device_attribute *at,\
char *buf) \
{ \
- return sprintf(buf, _format, _value); \
+ return sysfs_emit(buf, _format, _value); \
} \
static ZFCP_DEV_ATTR(_feat, _name, S_IRUGO, \
zfcp_sysfs_##_feat##_##_name##_show, NULL);
@@ -51,7 +51,7 @@ static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \
if (!adapter) \
return -ENODEV; \
\
- i = sprintf(buf, _format, _value); \
+ i = sysfs_emit(buf, _format, _value); \
zfcp_ccw_adapter_put(adapter); \
return i; \
} \
@@ -95,9 +95,9 @@ static ssize_t zfcp_sysfs_port_failed_show(struct device *dev,
struct zfcp_port *port = container_of(dev, struct zfcp_port, dev);
if (atomic_read(&port->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
- return sprintf(buf, "1\n");
+ return sysfs_emit(buf, "1\n");
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
}
static ssize_t zfcp_sysfs_port_failed_store(struct device *dev,
@@ -135,7 +135,7 @@ static ssize_t zfcp_sysfs_unit_failed_show(struct device *dev,
scsi_device_put(sdev);
}
- return sprintf(buf, "%d\n", failed);
+ return sysfs_emit(buf, "%d\n", failed);
}
static ssize_t zfcp_sysfs_unit_failed_store(struct device *dev,
@@ -176,9 +176,9 @@ static ssize_t zfcp_sysfs_adapter_failed_show(struct device *dev,
return -ENODEV;
if (atomic_read(&adapter->status) & ZFCP_STATUS_COMMON_ERP_FAILED)
- i = sprintf(buf, "1\n");
+ i = sysfs_emit(buf, "1\n");
else
- i = sprintf(buf, "0\n");
+ i = sysfs_emit(buf, "0\n");
zfcp_ccw_adapter_put(adapter);
return i;
@@ -348,8 +348,7 @@ zfcp_sysfs_adapter_diag_max_age_show(struct device *dev,
if (!adapter)
return -ENODEV;
- /* ceil(log(2^64 - 1) / log(10)) = 20 */
- rc = scnprintf(buf, 20 + 2, "%lu\n", adapter->diagnostics->max_age);
+ rc = sysfs_emit(buf, "%lu\n", adapter->diagnostics->max_age);
zfcp_ccw_adapter_put(adapter);
return rc;
@@ -401,14 +400,14 @@ static ssize_t zfcp_sysfs_adapter_fc_security_show(
*/
status = atomic_read(&adapter->status);
if (0 == (status & ZFCP_STATUS_COMMON_OPEN))
- i = sprintf(buf, "unknown\n");
+ i = sysfs_emit(buf, "unknown\n");
else if (!(adapter->adapter_features & FSF_FEATURE_FC_SECURITY))
- i = sprintf(buf, "unsupported\n");
+ i = sysfs_emit(buf, "unsupported\n");
else {
i = zfcp_fsf_scnprint_fc_security(
buf, PAGE_SIZE - 1, adapter->fc_security_algorithms,
ZFCP_FSF_PRINT_FMT_LIST);
- i += scnprintf(buf + i, PAGE_SIZE - i, "\n");
+ i += sysfs_emit_at(buf, i, "\n");
}
zfcp_ccw_adapter_put(adapter);
@@ -490,14 +489,14 @@ static ssize_t zfcp_sysfs_port_fc_security_show(struct device *dev,
0 != (status & ZFCP_STATUS_PORT_LINK_TEST) ||
0 != (status & ZFCP_STATUS_COMMON_ERP_FAILED) ||
0 != (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
- i = sprintf(buf, "unknown\n");
+ i = sysfs_emit(buf, "unknown\n");
else if (!(adapter->adapter_features & FSF_FEATURE_FC_SECURITY))
- i = sprintf(buf, "unsupported\n");
+ i = sysfs_emit(buf, "unsupported\n");
else {
i = zfcp_fsf_scnprint_fc_security(
buf, PAGE_SIZE - 1, port->connection_info,
ZFCP_FSF_PRINT_FMT_SINGLEITEM);
- i += scnprintf(buf + i, PAGE_SIZE - i, "\n");
+ i += sysfs_emit_at(buf, i, "\n");
}
return i;
@@ -569,8 +568,8 @@ zfcp_sysfs_unit_##_name##_latency_show(struct device *dev, \
do_div(cmin, 1000); \
do_div(cmax, 1000); \
\
- return sprintf(buf, "%llu %llu %llu %llu %llu %llu %llu\n", \
- fmin, fmax, fsum, cmin, cmax, csum, cc); \
+ return sysfs_emit(buf, "%llu %llu %llu %llu %llu %llu %llu\n", \
+ fmin, fmax, fsum, cmin, cmax, csum, cc); \
} \
static ssize_t \
zfcp_sysfs_unit_##_name##_latency_store(struct device *dev, \
@@ -610,8 +609,8 @@ static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, \
struct scsi_device *sdev = to_scsi_device(dev); \
struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev); \
\
- return sprintf(buf, _format, _value); \
-} \
+ return sysfs_emit(buf, _format, _value); \
+} \
static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);
ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n",
@@ -625,7 +624,7 @@ static ssize_t zfcp_sysfs_scsi_fcp_lun_show(struct device *dev,
{
struct scsi_device *sdev = to_scsi_device(dev);
- return sprintf(buf, "0x%016llx\n", zfcp_scsi_dev_lun(sdev));
+ return sysfs_emit(buf, "0x%016llx\n", zfcp_scsi_dev_lun(sdev));
}
static DEVICE_ATTR(fcp_lun, S_IRUGO, zfcp_sysfs_scsi_fcp_lun_show, NULL);
@@ -641,7 +640,7 @@ static ssize_t zfcp_sysfs_scsi_zfcp_failed_show(struct device *dev,
unsigned int status = atomic_read(&sdev_to_zfcp(sdev)->status);
unsigned int failed = status & ZFCP_STATUS_COMMON_ERP_FAILED ? 1 : 0;
- return sprintf(buf, "%d\n", failed);
+ return sysfs_emit(buf, "%d\n", failed);
}
static ssize_t zfcp_sysfs_scsi_zfcp_failed_store(struct device *dev,
@@ -714,8 +713,8 @@ static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
retval = zfcp_fsf_exchange_port_data_sync(adapter->qdio, qtcb_port);
if (retval == 0 || retval == -EAGAIN)
- retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
- qtcb_port->cb_util, qtcb_port->a_util);
+ retval = sysfs_emit(buf, "%u %u %u\n", qtcb_port->cp_util,
+ qtcb_port->cb_util, qtcb_port->a_util);
kfree(qtcb_port);
return retval;
}
@@ -758,7 +757,7 @@ static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, \
if (retval) \
return retval; \
\
- return sprintf(buf, _format, ## _arg); \
+ return sysfs_emit(buf, _format, ## _arg); \
} \
static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_adapter_##_name##_show, NULL);
@@ -787,8 +786,8 @@ static ssize_t zfcp_sysfs_adapter_q_full_show(struct device *dev,
util = qdio->req_q_util;
spin_unlock_bh(&qdio->stat_lock);
- return sprintf(buf, "%d %llu\n", atomic_read(&qdio->req_q_full),
- (unsigned long long)util);
+ return sysfs_emit(buf, "%d %llu\n", atomic_read(&qdio->req_q_full),
+ (unsigned long long)util);
}
static DEVICE_ATTR(queue_full, S_IRUGO, zfcp_sysfs_adapter_q_full_show, NULL);
@@ -843,8 +842,7 @@ static ssize_t zfcp_sysfs_adapter_diag_b2b_credit_show(
.data.nport_serv_param -
sizeof(u32));
- rc = scnprintf(buf, 5 + 2, "%hu\n",
- be16_to_cpu(nsp->fl_csp.sp_bb_cred));
+ rc = sysfs_emit(buf, "%hu\n", be16_to_cpu(nsp->fl_csp.sp_bb_cred));
spin_unlock_irqrestore(&diag_hdr->access_lock, flags);
out:
@@ -854,7 +852,7 @@ out:
static ZFCP_DEV_ATTR(adapter_diag, b2b_credit, 0400,
zfcp_sysfs_adapter_diag_b2b_credit_show, NULL);
-#define ZFCP_DEFINE_DIAG_SFP_ATTR(_name, _qtcb_member, _prtsize, _prtfmt) \
+#define ZFCP_DEFINE_DIAG_SFP_ATTR(_name, _qtcb_member, _prtfmt) \
static ssize_t zfcp_sysfs_adapter_diag_sfp_##_name##_show( \
struct device *dev, struct device_attribute *attr, char *buf) \
{ \
@@ -887,8 +885,8 @@ static ZFCP_DEV_ATTR(adapter_diag, b2b_credit, 0400,
goto out; \
\
spin_lock_irqsave(&diag_hdr->access_lock, flags); \
- rc = scnprintf( \
- buf, (_prtsize) + 2, _prtfmt "\n", \
+ rc = sysfs_emit( \
+ buf, _prtfmt "\n", \
adapter->diagnostics->port_data.data._qtcb_member); \
spin_unlock_irqrestore(&diag_hdr->access_lock, flags); \
\
@@ -899,16 +897,16 @@ static ZFCP_DEV_ATTR(adapter_diag, b2b_credit, 0400,
static ZFCP_DEV_ATTR(adapter_diag_sfp, _name, 0400, \
zfcp_sysfs_adapter_diag_sfp_##_name##_show, NULL)
-ZFCP_DEFINE_DIAG_SFP_ATTR(temperature, temperature, 6, "%hd");
-ZFCP_DEFINE_DIAG_SFP_ATTR(vcc, vcc, 5, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(tx_bias, tx_bias, 5, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(tx_power, tx_power, 5, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(rx_power, rx_power, 5, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(port_tx_type, sfp_flags.port_tx_type, 2, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(optical_port, sfp_flags.optical_port, 1, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(sfp_invalid, sfp_flags.sfp_invalid, 1, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(connector_type, sfp_flags.connector_type, 1, "%hu");
-ZFCP_DEFINE_DIAG_SFP_ATTR(fec_active, sfp_flags.fec_active, 1, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(temperature, temperature, "%hd");
+ZFCP_DEFINE_DIAG_SFP_ATTR(vcc, vcc, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(tx_bias, tx_bias, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(tx_power, tx_power, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(rx_power, rx_power, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(port_tx_type, sfp_flags.port_tx_type, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(optical_port, sfp_flags.optical_port, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(sfp_invalid, sfp_flags.sfp_invalid, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(connector_type, sfp_flags.connector_type, "%hu");
+ZFCP_DEFINE_DIAG_SFP_ATTR(fec_active, sfp_flags.fec_active, "%hu");
static struct attribute *zfcp_sysfs_diag_attrs[] = {
&dev_attr_adapter_diag_sfp_temperature.attr,