提交 3f4b57e0 编写于 作者: A Anand Jain 提交者: Chris Mason

btrfs: use BTRFS_ATTR instead of btrfs_no_store()

we have BTRFS_ATTR define to create sysfs RO file, use that.
Signed-off-by: NAnand Jain <anand.jain@oracle.com>
Signed-off-by: NChris Mason <clm@fb.com>
上级 160f4089
......@@ -403,13 +403,6 @@ static ssize_t btrfs_label_store(struct kobject *kobj,
}
BTRFS_ATTR_RW(label, 0644, btrfs_label_show, btrfs_label_store);
static ssize_t btrfs_no_store(struct kobject *kobj,
struct kobj_attribute *a,
const char *buf, size_t len)
{
return -EPERM;
}
static ssize_t btrfs_nodesize_show(struct kobject *kobj,
struct kobj_attribute *a, char *buf)
{
......@@ -418,7 +411,7 @@ static ssize_t btrfs_nodesize_show(struct kobject *kobj,
return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->nodesize);
}
BTRFS_ATTR_RW(nodesize, 0444, btrfs_nodesize_show, btrfs_no_store);
BTRFS_ATTR(nodesize, 0444, btrfs_nodesize_show);
static ssize_t btrfs_sectorsize_show(struct kobject *kobj,
struct kobj_attribute *a, char *buf)
......@@ -428,7 +421,7 @@ static ssize_t btrfs_sectorsize_show(struct kobject *kobj,
return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize);
}
BTRFS_ATTR_RW(sectorsize, 0444, btrfs_sectorsize_show, btrfs_no_store);
BTRFS_ATTR(sectorsize, 0444, btrfs_sectorsize_show);
static ssize_t btrfs_clone_alignment_show(struct kobject *kobj,
struct kobj_attribute *a, char *buf)
......@@ -438,7 +431,7 @@ static ssize_t btrfs_clone_alignment_show(struct kobject *kobj,
return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize);
}
BTRFS_ATTR_RW(clone_alignment, 0444, btrfs_clone_alignment_show, btrfs_no_store);
BTRFS_ATTR(clone_alignment, 0444, btrfs_clone_alignment_show);
static struct attribute *btrfs_attrs[] = {
BTRFS_ATTR_PTR(label),
......
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