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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: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
Anand Jain 2014-07-30 20:04:09 +08:00 committed by Chris Mason
parent 98b3d389eb
commit 20ee0825ec
2 changed files with 5 additions and 4 deletions
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2
fs/btrfs/sysfs.c
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@ -401,7 +401,7 @@ static ssize_t btrfs_label_store(struct kobject *kobj,
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,
struct kobj_attribute *a, char *buf)

7
fs/btrfs/sysfs.h
View File

@ -20,12 +20,13 @@ enum btrfs_feature_set {
.store = _store, \
}
#define BTRFS_ATTR_RW(_name, _mode, _show, _store) \
#define BTRFS_ATTR_RW(_name, _show, _store) \
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) \
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)