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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-23 15:02:01 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-23 15:02:01 -0700
commita65fcce75a75c0d41b938f86d09d42b6f1733309 (patch)
tree177f26e54822c42aac33b21320efee8abd3f3cc8
parentd06262e58546e5bf5669ef185fb913cca4637bd6 (diff)
sysfs: create __ATTR_WO()
This creates the macro __ATTR_WO() for write-only attributes, instead of having to "open define" them. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--include/linux/sysfs.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index b5a9d9b26bd4..69c1ff003628 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -80,6 +80,11 @@ struct attribute_group {
.show = _name##_show, \
}
+#define __ATTR_WO(_name) { \
+ .attr = { .name = __stringify(_name), .mode = S_IWUSR }, \
+ .store = _name##_store, \
+}
+
#define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR | S_IRUGO), \
_name##_show, _name##_store)