#include "xfs_log_format.h"
#include "xfs_log.h"
#include "xfs_log_priv.h"
+#include "xfs_stats.h"
struct xfs_sysfs_attr {
struct attribute attr;
- ssize_t (*show)(char *buf, void *data);
- ssize_t (*store)(const char *buf, size_t count, void *data);
+ ssize_t (*show)(struct kobject *kobject, char *buf);
+ ssize_t (*store)(struct kobject *kobject, const char *buf,
+ size_t count);
};
static inline struct xfs_sysfs_attr *
static struct xfs_sysfs_attr xfs_sysfs_attr_##name = __ATTR_RW(name)
#define XFS_SYSFS_ATTR_RO(name) \
static struct xfs_sysfs_attr xfs_sysfs_attr_##name = __ATTR_RO(name)
+#define XFS_SYSFS_ATTR_WO(name) \
+ static struct xfs_sysfs_attr xfs_sysfs_attr_##name = __ATTR_WO(name)
#define ATTR_LIST(name) &xfs_sysfs_attr_##name.attr
.release = xfs_sysfs_release,
};
+STATIC ssize_t
+xfs_sysfs_object_show(
+ struct kobject *kobject,
+ struct attribute *attr,
+ char *buf)
+{
+ struct xfs_sysfs_attr *xfs_attr = to_attr(attr);
+
+ return xfs_attr->show ? xfs_attr->show(kobject, buf) : 0;
+}
+
+STATIC ssize_t
+xfs_sysfs_object_store(
+ struct kobject *kobject,
+ struct attribute *attr,
+ const char *buf,
+ size_t count)
+{
+ struct xfs_sysfs_attr *xfs_attr = to_attr(attr);
+
+ return xfs_attr->store ? xfs_attr->store(kobject, buf, count) : 0;
+}
+
+static const struct sysfs_ops xfs_sysfs_ops = {
+ .show = xfs_sysfs_object_show,
+ .store = xfs_sysfs_object_store,
+};
+
#ifdef DEBUG
/* debug */
STATIC ssize_t
log_recovery_delay_store(
+ struct kobject *kobject,
const char *buf,
- size_t count,
- void *data)
+ size_t count)
{
int ret;
int val;
STATIC ssize_t
log_recovery_delay_show(
- char *buf,
- void *data)
+ struct kobject *kobject,
+ char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", xfs_globals.log_recovery_delay);
}
NULL,
};
+struct kobj_type xfs_dbg_ktype = {
+ .release = xfs_sysfs_release,
+ .sysfs_ops = &xfs_sysfs_ops,
+ .default_attrs = xfs_dbg_attrs,
+};
+
+#endif /* DEBUG */
+
+/* stats */
+
+static inline struct xstats *
+to_xstats(struct kobject *kobject)
+{
+ struct xfs_kobj *kobj = to_kobj(kobject);
+
+ return container_of(kobj, struct xstats, xs_kobj);
+}
+
STATIC ssize_t
-xfs_dbg_show(
- struct kobject *kobject,
- struct attribute *attr,
- char *buf)
+stats_show(
+ struct kobject *kobject,
+ char *buf)
{
- struct xfs_sysfs_attr *xfs_attr = to_attr(attr);
+ struct xstats *stats = to_xstats(kobject);
- return xfs_attr->show ? xfs_attr->show(buf, NULL) : 0;
+ return xfs_stats_format(stats->xs_stats, buf);
}
+XFS_SYSFS_ATTR_RO(stats);
STATIC ssize_t
-xfs_dbg_store(
- struct kobject *kobject,
- struct attribute *attr,
- const char *buf,
- size_t count)
+stats_clear_store(
+ struct kobject *kobject,
+ const char *buf,
+ size_t count)
{
- struct xfs_sysfs_attr *xfs_attr = to_attr(attr);
+ int ret;
+ int val;
+ struct xstats *stats = to_xstats(kobject);
+
+ ret = kstrtoint(buf, 0, &val);
+ if (ret)
+ return ret;
- return xfs_attr->store ? xfs_attr->store(buf, count, NULL) : 0;
+ if (val != 1)
+ return -EINVAL;
+
+ xfs_stats_clearall(stats->xs_stats);
+ return count;
}
+XFS_SYSFS_ATTR_WO(stats_clear);
-static struct sysfs_ops xfs_dbg_ops = {
- .show = xfs_dbg_show,
- .store = xfs_dbg_store,
+static struct attribute *xfs_stats_attrs[] = {
+ ATTR_LIST(stats),
+ ATTR_LIST(stats_clear),
+ NULL,
};
-struct kobj_type xfs_dbg_ktype = {
+struct kobj_type xfs_stats_ktype = {
.release = xfs_sysfs_release,
- .sysfs_ops = &xfs_dbg_ops,
- .default_attrs = xfs_dbg_attrs,
+ .sysfs_ops = &xfs_sysfs_ops,
+ .default_attrs = xfs_stats_attrs,
};
-#endif /* DEBUG */
-
/* xlog */
+static inline struct xlog *
+to_xlog(struct kobject *kobject)
+{
+ struct xfs_kobj *kobj = to_kobj(kobject);
+
+ return container_of(kobj, struct xlog, l_kobj);
+}
+
STATIC ssize_t
log_head_lsn_show(
- char *buf,
- void *data)
+ struct kobject *kobject,
+ char *buf)
{
- struct xlog *log = data;
int cycle;
int block;
+ struct xlog *log = to_xlog(kobject);
spin_lock(&log->l_icloglock);
cycle = log->l_curr_cycle;
STATIC ssize_t
log_tail_lsn_show(
- char *buf,
- void *data)
+ struct kobject *kobject,
+ char *buf)
{
- struct xlog *log = data;
int cycle;
int block;
+ struct xlog *log = to_xlog(kobject);
xlog_crack_atomic_lsn(&log->l_tail_lsn, &cycle, &block);
return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, block);
STATIC ssize_t
reserve_grant_head_show(
- char *buf,
- void *data)
+ struct kobject *kobject,
+ char *buf)
+
{
- struct xlog *log = data;
int cycle;
int bytes;
+ struct xlog *log = to_xlog(kobject);
xlog_crack_grant_head(&log->l_reserve_head.grant, &cycle, &bytes);
return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, bytes);
STATIC ssize_t
write_grant_head_show(
- char *buf,
- void *data)
+ struct kobject *kobject,
+ char *buf)
{
- struct xlog *log = data;
int cycle;
int bytes;
+ struct xlog *log = to_xlog(kobject);
xlog_crack_grant_head(&log->l_write_head.grant, &cycle, &bytes);
return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, bytes);
NULL,
};
-static inline struct xlog *
-to_xlog(struct kobject *kobject)
-{
- struct xfs_kobj *kobj = to_kobj(kobject);
- return container_of(kobj, struct xlog, l_kobj);
-}
-
-STATIC ssize_t
-xfs_log_show(
- struct kobject *kobject,
- struct attribute *attr,
- char *buf)
-{
- struct xlog *log = to_xlog(kobject);
- struct xfs_sysfs_attr *xfs_attr = to_attr(attr);
-
- return xfs_attr->show ? xfs_attr->show(buf, log) : 0;
-}
-
-STATIC ssize_t
-xfs_log_store(
- struct kobject *kobject,
- struct attribute *attr,
- const char *buf,
- size_t count)
-{
- struct xlog *log = to_xlog(kobject);
- struct xfs_sysfs_attr *xfs_attr = to_attr(attr);
-
- return xfs_attr->store ? xfs_attr->store(buf, count, log) : 0;
-}
-
-static struct sysfs_ops xfs_log_ops = {
- .show = xfs_log_show,
- .store = xfs_log_store,
-};
-
struct kobj_type xfs_log_ktype = {
.release = xfs_sysfs_release,
- .sysfs_ops = &xfs_log_ops,
+ .sysfs_ops = &xfs_sysfs_ops,
.default_attrs = xfs_log_attrs,
};
Code Review / kvmfornfv.git / blobdiff