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Commit 20ee0825 authored by Anand Jain's avatar Anand Jain Committed by Chris Mason
Browse files

btrfs: code optimize: BTRFS_ATTR_RW could set the mode 



BTRFS_ATTR_RW could set the mode and be inline with BTRFS_ATTR

Signed-off-by: default avatarAnand Jain <anand.jain@oracle.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent 98b3d389

fs/btrfs/sysfs.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -401,7 +401,7 @@ static ssize_t btrfs_label_store(struct kobject *kobj, 




	return ret;

	return ret;

}

}

BTRFS_ATTR_RW(label, 0644, btrfs_label_show, btrfs_label_store);

BTRFS_ATTR_RW(label, btrfs_label_show, btrfs_label_store);





static ssize_t btrfs_nodesize_show(struct kobject *kobj,

static ssize_t btrfs_nodesize_show(struct kobject *kobj,

				struct kobj_attribute *a, char *buf)

				struct kobj_attribute *a, char *buf)

fs/btrfs/sysfs.h

+4 −3
Original line number Original line Diff line number Diff line
@@ -20,12 +20,13 @@ enum btrfs_feature_set { 
	.store	= _store,						\

	.store	= _store,						\

}

}





#define BTRFS_ATTR_RW(_name, _mode, _show, _store)			\

#define BTRFS_ATTR_RW(_name, _show, _store)			\

	static struct kobj_attribute btrfs_attr_##_name =		\

	static struct kobj_attribute btrfs_attr_##_name =		\

			__INIT_KOBJ_ATTR(_name, _mode, _show, _store)

			__INIT_KOBJ_ATTR(_name, 0644, _show, _store)





#define BTRFS_ATTR(_name, _show)					\

#define BTRFS_ATTR(_name, _show)					\

			BTRFS_ATTR_RW(_name, 0444, _show, NULL)

	static struct kobj_attribute btrfs_attr_##_name =		\

			__INIT_KOBJ_ATTR(_name, 0444, _show, NULL)





#define BTRFS_ATTR_PTR(_name)    (&btrfs_attr_##_name.attr)

#define BTRFS_ATTR_PTR(_name)    (&btrfs_attr_##_name.attr)