From 3f4b57e09d6cbd97f92311a801e1b83992506dcd Mon Sep 17 00:00:00 2001 From: Anand Jain Date: Wed, 30 Jul 2014 20:04:07 +0800 Subject: [PATCH] btrfs: use BTRFS_ATTR instead of btrfs_no_store() we have BTRFS_ATTR define to create sysfs RO file, use that. Signed-off-by: Anand Jain Signed-off-by: Chris Mason --- fs/btrfs/sysfs.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 82a968fdfd80..e6a851b9ae34 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -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), -- 2.30.2