diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-14 16:05:51 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-16 10:57:36 -0700 |
| commit | b9b3259746d77f4fcb786e2a43c25bcc40773755 (patch) | |
| tree | 220c5b779b174f5464ab64e68a85c1889a874b22 | |
| parent | ad81f0545ef01ea651886dddac4bef6cec930092 (diff) | |
sysfs.h: add __ATTR_RW() macro
A number of parts of the kernel created their own version of this, might
as well have the sysfs core provide it instead.
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | include/linux/sysfs.h | 2 | ||||
| -rw-r--r-- | kernel/events/core.c | 2 | ||||
| -rw-r--r-- | mm/backing-dev.c | 2 |
3 files changed, 2 insertions, 4 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index e2cee22f578..9cd20c8404e 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -79,6 +79,8 @@ struct attribute_group { .show = _name##_show, \ } +#define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store) + #define __ATTR_NULL { .attr = { .name = NULL } } #ifdef CONFIG_DEBUG_LOCK_ALLOC diff --git a/kernel/events/core.c b/kernel/events/core.c index eba8fb5834a..dd9878029d1 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6234,8 +6234,6 @@ perf_event_mux_interval_ms_store(struct device *dev, return count; } -#define __ATTR_RW(attr) __ATTR(attr, 0644, attr##_show, attr##_store) - static struct device_attribute pmu_dev_attrs[] = { __ATTR_RO(type), __ATTR_RW(perf_event_mux_interval_ms), diff --git a/mm/backing-dev.c b/mm/backing-dev.c index d014ee5fcbb..e04454cdb33 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -232,8 +232,6 @@ static ssize_t stable_pages_required_show(struct device *dev, bdi_cap_stable_pages_required(bdi) ? 1 : 0); } -#define __ATTR_RW(attr) __ATTR(attr, 0644, attr##_show, attr##_store) - static struct device_attribute bdi_dev_attrs[] = { __ATTR_RW(read_ahead_kb), __ATTR_RW(min_ratio), |