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Date: Thu, 16 Jun 2011 11:04:57 +0200
From: Maarten Lankhorst <m.b.lankhorst@...il.com>
To: Chris Robinson <chris.kcat@...il.com>
CC: linux-btrfs@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Hugo Mills <hugo@...fax.org.uk>
Subject: [PATCH] btrfs: Remove unused sysfs code
Removes code no longer used. The sysfs file itself is kept, because the
btrfs developers expressed interest in putting new entries to sysfs.
Signed-off-by: Maarten Lankhorst <m.b.lankhorst@...il.com>
---
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 378b5b4..81f4083 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1181,7 +1181,6 @@ struct btrfs_root {
struct btrfs_key defrag_max;
int defrag_running;
char *name;
- int in_sysfs;
/* the dirty list is only used by non-reference counted roots */
struct list_head dirty_list;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 9f68c68..5df6d8f 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1044,7 +1044,6 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
root->last_trans = 0;
root->highest_objectid = 0;
root->name = NULL;
- root->in_sysfs = 0;
root->inode_tree = RB_ROOT;
INIT_RADIX_TREE(&root->delayed_nodes_tree, GFP_ATOMIC);
root->block_rsv = NULL;
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index c3c223a..daac9ae 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -28,152 +28,6 @@
#include "disk-io.h"
#include "transaction.h"
-static ssize_t root_blocks_used_show(struct btrfs_root *root, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%llu\n",
- (unsigned long long)btrfs_root_used(&root->root_item));
-}
-
-static ssize_t root_block_limit_show(struct btrfs_root *root, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%llu\n",
- (unsigned long long)btrfs_root_limit(&root->root_item));
-}
-
-static ssize_t super_blocks_used_show(struct btrfs_fs_info *fs, char *buf)
-{
-
- return snprintf(buf, PAGE_SIZE, "%llu\n",
- (unsigned long long)btrfs_super_bytes_used(&fs->super_copy));
-}
-
-static ssize_t super_total_blocks_show(struct btrfs_fs_info *fs, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%llu\n",
- (unsigned long long)btrfs_super_total_bytes(&fs->super_copy));
-}
-
-static ssize_t super_blocksize_show(struct btrfs_fs_info *fs, char *buf)
-{
- return snprintf(buf, PAGE_SIZE, "%llu\n",
- (unsigned long long)btrfs_super_sectorsize(&fs->super_copy));
-}
-
-/* this is for root attrs (subvols/snapshots) */
-struct btrfs_root_attr {
- struct attribute attr;
- ssize_t (*show)(struct btrfs_root *, char *);
- ssize_t (*store)(struct btrfs_root *, const char *, size_t);
-};
-
-#define ROOT_ATTR(name, mode, show, store) \
-static struct btrfs_root_attr btrfs_root_attr_##name = __ATTR(name, mode, \
- show, store)
-
-ROOT_ATTR(blocks_used, 0444, root_blocks_used_show, NULL);
-ROOT_ATTR(block_limit, 0644, root_block_limit_show, NULL);
-
-static struct attribute *btrfs_root_attrs[] = {
- &btrfs_root_attr_blocks_used.attr,
- &btrfs_root_attr_block_limit.attr,
- NULL,
-};
-
-/* this is for super attrs (actual full fs) */
-struct btrfs_super_attr {
- struct attribute attr;
- ssize_t (*show)(struct btrfs_fs_info *, char *);
- ssize_t (*store)(struct btrfs_fs_info *, const char *, size_t);
-};
-
-#define SUPER_ATTR(name, mode, show, store) \
-static struct btrfs_super_attr btrfs_super_attr_##name = __ATTR(name, mode, \
- show, store)
-
-SUPER_ATTR(blocks_used, 0444, super_blocks_used_show, NULL);
-SUPER_ATTR(total_blocks, 0444, super_total_blocks_show, NULL);
-SUPER_ATTR(blocksize, 0444, super_blocksize_show, NULL);
-
-static struct attribute *btrfs_super_attrs[] = {
- &btrfs_super_attr_blocks_used.attr,
- &btrfs_super_attr_total_blocks.attr,
- &btrfs_super_attr_blocksize.attr,
- NULL,
-};
-
-static ssize_t btrfs_super_attr_show(struct kobject *kobj,
- struct attribute *attr, char *buf)
-{
- struct btrfs_fs_info *fs = container_of(kobj, struct btrfs_fs_info,
- super_kobj);
- struct btrfs_super_attr *a = container_of(attr,
- struct btrfs_super_attr,
- attr);
-
- return a->show ? a->show(fs, buf) : 0;
-}
-
-static ssize_t btrfs_super_attr_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buf, size_t len)
-{
- struct btrfs_fs_info *fs = container_of(kobj, struct btrfs_fs_info,
- super_kobj);
- struct btrfs_super_attr *a = container_of(attr,
- struct btrfs_super_attr,
- attr);
-
- return a->store ? a->store(fs, buf, len) : 0;
-}
-
-static ssize_t btrfs_root_attr_show(struct kobject *kobj,
- struct attribute *attr, char *buf)
-{
- struct btrfs_root *root = container_of(kobj, struct btrfs_root,
- root_kobj);
- struct btrfs_root_attr *a = container_of(attr,
- struct btrfs_root_attr,
- attr);
-
- return a->show ? a->show(root, buf) : 0;
-}
-
-static ssize_t btrfs_root_attr_store(struct kobject *kobj,
- struct attribute *attr,
- const char *buf, size_t len)
-{
- struct btrfs_root *root = container_of(kobj, struct btrfs_root,
- root_kobj);
- struct btrfs_root_attr *a = container_of(attr,
- struct btrfs_root_attr,
- attr);
- return a->store ? a->store(root, buf, len) : 0;
-}
-
-static void btrfs_super_release(struct kobject *kobj)
-{
- struct btrfs_fs_info *fs = container_of(kobj, struct btrfs_fs_info,
- super_kobj);
- complete(&fs->kobj_unregister);
-}
-
-static void btrfs_root_release(struct kobject *kobj)
-{
- struct btrfs_root *root = container_of(kobj, struct btrfs_root,
- root_kobj);
- complete(&root->kobj_unregister);
-}
-
-static const struct sysfs_ops btrfs_super_attr_ops = {
- .show = btrfs_super_attr_show,
- .store = btrfs_super_attr_store,
-};
-
-static const struct sysfs_ops btrfs_root_attr_ops = {
- .show = btrfs_root_attr_show,
- .store = btrfs_root_attr_store,
-};
-
/* /sys/fs/btrfs/ entry */
static struct kset *btrfs_kset;
--
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