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authorAnand Jain <Anand.Jain@oracle.com>2014-07-30 20:04:07 +0800
committerChris Mason <clm@fb.com>2014-09-17 13:37:57 -0700
commit3f4b57e09d6cbd97f92311a801e1b83992506dcd (patch)
tree02fe2d81c35a651061a1802d7687639f7dcd5226 /fs/btrfs/sysfs.c
parent160f4089c8580b32b5805e7fd8ec7b3810f442c1 (diff)
downloadop-kernel-dev-3f4b57e09d6cbd97f92311a801e1b83992506dcd.zip
op-kernel-dev-3f4b57e09d6cbd97f92311a801e1b83992506dcd.tar.gz
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 <anand.jain@oracle.com> Signed-off-by: Chris Mason <clm@fb.com>
Diffstat (limited to 'fs/btrfs/sysfs.c')
-rw-r--r--fs/btrfs/sysfs.c13
1 files changed, 3 insertions, 10 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 82a968f..e6a851b 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),
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