1 files changed, 0 insertions, 332 deletions

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6c04a5af455a..9081570bc616 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -35,9 +35,7 @@
 #define CREATE_TRACE_POINTS
 #include <trace/events/f2fs.h>
 
-static struct proc_dir_entry *f2fs_proc_root;
 static struct kmem_cache *f2fs_inode_cachep;
-static struct kset *f2fs_kset;
 
 #ifdef CONFIG_F2FS_FAULT_INJECTION
 
@@ -146,225 +144,6 @@ static match_table_t f2fs_tokens = {
 	{Opt_err, NULL},
 };
 
-/* Sysfs support for f2fs */
-enum {
-	GC_THREAD,	/* struct f2fs_gc_thread */
-	SM_INFO,	/* struct f2fs_sm_info */
-	DCC_INFO,	/* struct discard_cmd_control */
-	NM_INFO,	/* struct f2fs_nm_info */
-	F2FS_SBI,	/* struct f2fs_sb_info */
-#ifdef CONFIG_F2FS_FAULT_INJECTION
-	FAULT_INFO_RATE,	/* struct f2fs_fault_info */
-	FAULT_INFO_TYPE,	/* struct f2fs_fault_info */
-#endif
-};
-
-struct f2fs_attr {
-	struct attribute attr;
-	ssize_t (*show)(struct f2fs_attr *, struct f2fs_sb_info *, char *);
-	ssize_t (*store)(struct f2fs_attr *, struct f2fs_sb_info *,
-			 const char *, size_t);
-	int struct_type;
-	int offset;
-};
-
-static unsigned char *__struct_ptr(struct f2fs_sb_info *sbi, int struct_type)
-{
-	if (struct_type == GC_THREAD)
-		return (unsigned char *)sbi->gc_thread;
-	else if (struct_type == SM_INFO)
-		return (unsigned char *)SM_I(sbi);
-	else if (struct_type == DCC_INFO)
-		return (unsigned char *)SM_I(sbi)->dcc_info;
-	else if (struct_type == NM_INFO)
-		return (unsigned char *)NM_I(sbi);
-	else if (struct_type == F2FS_SBI)
-		return (unsigned char *)sbi;
-#ifdef CONFIG_F2FS_FAULT_INJECTION
-	else if (struct_type == FAULT_INFO_RATE ||
-					struct_type == FAULT_INFO_TYPE)
-		return (unsigned char *)&sbi->fault_info;
-#endif
-	return NULL;
-}
-
-static ssize_t lifetime_write_kbytes_show(struct f2fs_attr *a,
-		struct f2fs_sb_info *sbi, char *buf)
-{
-	struct super_block *sb = sbi->sb;
-
-	if (!sb->s_bdev->bd_part)
-		return snprintf(buf, PAGE_SIZE, "0\n");
-
-	return snprintf(buf, PAGE_SIZE, "%llu\n",
-		(unsigned long long)(sbi->kbytes_written +
-			BD_PART_WRITTEN(sbi)));
-}
-
-static ssize_t f2fs_sbi_show(struct f2fs_attr *a,
-			struct f2fs_sb_info *sbi, char *buf)
-{
-	unsigned char *ptr = NULL;
-	unsigned int *ui;
-
-	ptr = __struct_ptr(sbi, a->struct_type);
-	if (!ptr)
-		return -EINVAL;
-
-	ui = (unsigned int *)(ptr + a->offset);
-
-	return snprintf(buf, PAGE_SIZE, "%u\n", *ui);
-}
-
-static ssize_t f2fs_sbi_store(struct f2fs_attr *a,
-			struct f2fs_sb_info *sbi,
-			const char *buf, size_t count)
-{
-	unsigned char *ptr;
-	unsigned long t;
-	unsigned int *ui;
-	ssize_t ret;
-
-	ptr = __struct_ptr(sbi, a->struct_type);
-	if (!ptr)
-		return -EINVAL;
-
-	ui = (unsigned int *)(ptr + a->offset);
-
-	ret = kstrtoul(skip_spaces(buf), 0, &t);
-	if (ret < 0)
-		return ret;
-#ifdef CONFIG_F2FS_FAULT_INJECTION
-	if (a->struct_type == FAULT_INFO_TYPE && t >= (1 << FAULT_MAX))
-		return -EINVAL;
-#endif
-	*ui = t;
-	return count;
-}
-
-static ssize_t f2fs_attr_show(struct kobject *kobj,
-				struct attribute *attr, char *buf)
-{
-	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
-								s_kobj);
-	struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
-
-	return a->show ? a->show(a, sbi, buf) : 0;
-}
-
-static ssize_t f2fs_attr_store(struct kobject *kobj, struct attribute *attr,
-						const char *buf, size_t len)
-{
-	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
-									s_kobj);
-	struct f2fs_attr *a = container_of(attr, struct f2fs_attr, attr);
-
-	return a->store ? a->store(a, sbi, buf, len) : 0;
-}
-
-static void f2fs_sb_release(struct kobject *kobj)
-{
-	struct f2fs_sb_info *sbi = container_of(kobj, struct f2fs_sb_info,
-								s_kobj);
-	complete(&sbi->s_kobj_unregister);
-}
-
-#define F2FS_ATTR_OFFSET(_struct_type, _name, _mode, _show, _store, _offset) \
-static struct f2fs_attr f2fs_attr_##_name = {			\
-	.attr = {.name = __stringify(_name), .mode = _mode },	\
-	.show	= _show,					\
-	.store	= _store,					\
-	.struct_type = _struct_type,				\
-	.offset = _offset					\
-}
-
-#define F2FS_RW_ATTR(struct_type, struct_name, name, elname)	\
-	F2FS_ATTR_OFFSET(struct_type, name, 0644,		\
-		f2fs_sbi_show, f2fs_sbi_store,			\
-		offsetof(struct struct_name, elname))
-
-#define F2FS_GENERAL_RO_ATTR(name) \
-static struct f2fs_attr f2fs_attr_##name = __ATTR(name, 0444, name##_show, NULL)
-
-F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_min_sleep_time, min_sleep_time);
-F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_max_sleep_time, max_sleep_time);
-F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_no_gc_sleep_time, no_gc_sleep_time);
-F2FS_RW_ATTR(GC_THREAD, f2fs_gc_kthread, gc_idle, gc_idle);
-F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, reclaim_segments, rec_prefree_segments);
-F2FS_RW_ATTR(DCC_INFO, discard_cmd_control, max_small_discards, max_discards);
-F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);
-F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, ipu_policy, ipu_policy);
-F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_ipu_util, min_ipu_util);
-F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_fsync_blocks, min_fsync_blocks);
-F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, min_hot_blocks, min_hot_blocks);
-F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ram_thresh, ram_thresh);
-F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, ra_nid_pages, ra_nid_pages);
-F2FS_RW_ATTR(NM_INFO, f2fs_nm_info, dirty_nats_ratio, dirty_nats_ratio);
-F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, max_victim_search, max_victim_search);
-F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, dir_level, dir_level);
-F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, cp_interval, interval_time[CP_TIME]);
-F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, idle_interval, interval_time[REQ_TIME]);
-#ifdef CONFIG_F2FS_FAULT_INJECTION
-F2FS_RW_ATTR(FAULT_INFO_RATE, f2fs_fault_info, inject_rate, inject_rate);
-F2FS_RW_ATTR(FAULT_INFO_TYPE, f2fs_fault_info, inject_type, inject_type);
-#endif
-F2FS_GENERAL_RO_ATTR(lifetime_write_kbytes);
-
-#define ATTR_LIST(name) (&f2fs_attr_##name.attr)
-static struct attribute *f2fs_attrs[] = {
-	ATTR_LIST(gc_min_sleep_time),
-	ATTR_LIST(gc_max_sleep_time),
-	ATTR_LIST(gc_no_gc_sleep_time),
-	ATTR_LIST(gc_idle),
-	ATTR_LIST(reclaim_segments),
-	ATTR_LIST(max_small_discards),
-	ATTR_LIST(batched_trim_sections),
-	ATTR_LIST(ipu_policy),
-	ATTR_LIST(min_ipu_util),
-	ATTR_LIST(min_fsync_blocks),
-	ATTR_LIST(min_hot_blocks),
-	ATTR_LIST(max_victim_search),
-	ATTR_LIST(dir_level),
-	ATTR_LIST(ram_thresh),
-	ATTR_LIST(ra_nid_pages),
-	ATTR_LIST(dirty_nats_ratio),
-	ATTR_LIST(cp_interval),
-	ATTR_LIST(idle_interval),
-#ifdef CONFIG_F2FS_FAULT_INJECTION
-	ATTR_LIST(inject_rate),
-	ATTR_LIST(inject_type),
-#endif
-	ATTR_LIST(lifetime_write_kbytes),
-	NULL,
-};
-
-static const struct sysfs_ops f2fs_attr_ops = {
-	.show	= f2fs_attr_show,
-	.store	= f2fs_attr_store,
-};
-
-static struct kobj_type f2fs_ktype = {
-	.default_attrs	= f2fs_attrs,
-	.sysfs_ops	= &f2fs_attr_ops,
-	.release	= f2fs_sb_release,
-};
-
-int __init f2fs_register_sysfs(void)
-{
-	f2fs_proc_root = proc_mkdir("fs/f2fs", NULL);
-
-	f2fs_kset = kset_create_and_add("f2fs", NULL, fs_kobj);
-	if (!f2fs_kset)
-		return -ENOMEM;
-	return 0;
-}
-
-void f2fs_unregister_sysfs(void)
-{
-	kset_unregister(f2fs_kset);
-	remove_proc_entry("fs/f2fs", NULL);
-}
-
 void f2fs_msg(struct super_block *sb, const char *level, const char *fmt, ...)
 {
 	struct va_format vaf;
@@ -782,19 +561,6 @@ static void destroy_device_list(struct f2fs_sb_info *sbi)
 	kfree(sbi->devs);
 }
 
-void f2fs_exit_sysfs(struct f2fs_sb_info *sbi)
-{
-	kobject_del(&sbi->s_kobj);
-	kobject_put(&sbi->s_kobj);
-	wait_for_completion(&sbi->s_kobj_unregister);
-
-	if (sbi->s_proc) {
-		remove_proc_entry("segment_info", sbi->s_proc);
-		remove_proc_entry("segment_bits", sbi->s_proc);
-		remove_proc_entry(sbi->sb->s_id, f2fs_proc_root);
-	}
-}
-
 static void f2fs_put_super(struct super_block *sb)
 {
 	struct f2fs_sb_info *sbi = F2FS_SB(sb);
@@ -1013,104 +779,6 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
 	return 0;
 }
 
-static int segment_info_seq_show(struct seq_file *seq, void *offset)
-{
-	struct super_block *sb = seq->private;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
-	unsigned int total_segs =
-			le32_to_cpu(sbi->raw_super->segment_count_main);
-	int i;
-
-	seq_puts(seq, "format: segment_type|valid_blocks\n"
-		"segment_type(0:HD, 1:WD, 2:CD, 3:HN, 4:WN, 5:CN)\n");
-
-	for (i = 0; i < total_segs; i++) {
-		struct seg_entry *se = get_seg_entry(sbi, i);
-
-		if ((i % 10) == 0)
-			seq_printf(seq, "%-10d", i);
-		seq_printf(seq, "%d|%-3u", se->type,
-					get_valid_blocks(sbi, i, false));
-		if ((i % 10) == 9 || i == (total_segs - 1))
-			seq_putc(seq, '\n');
-		else
-			seq_putc(seq, ' ');
-	}
-
-	return 0;
-}
-
-static int segment_bits_seq_show(struct seq_file *seq, void *offset)
-{
-	struct super_block *sb = seq->private;
-	struct f2fs_sb_info *sbi = F2FS_SB(sb);
-	unsigned int total_segs =
-			le32_to_cpu(sbi->raw_super->segment_count_main);
-	int i, j;
-
-	seq_puts(seq, "format: segment_type|valid_blocks|bitmaps\n"
-		"segment_type(0:HD, 1:WD, 2:CD, 3:HN, 4:WN, 5:CN)\n");
-
-	for (i = 0; i < total_segs; i++) {
-		struct seg_entry *se = get_seg_entry(sbi, i);
-
-		seq_printf(seq, "%-10d", i);
-		seq_printf(seq, "%d|%-3u|", se->type,
-					get_valid_blocks(sbi, i, false));
-		for (j = 0; j < SIT_VBLOCK_MAP_SIZE; j++)
-			seq_printf(seq, " %.2x", se->cur_valid_map[j]);
-		seq_putc(seq, '\n');
-	}
-	return 0;
-}
-
-#define F2FS_PROC_FILE_DEF(_name)					\
-static int _name##_open_fs(struct inode *inode, struct file *file)	\
-{									\
-	return single_open(file, _name##_seq_show, PDE_DATA(inode));	\
-}									\
-									\
-static const struct file_operations f2fs_seq_##_name##_fops = {		\
-	.open = _name##_open_fs,					\
-	.read = seq_read,						\
-	.llseek = seq_lseek,						\
-	.release = single_release,					\
-};
-
-F2FS_PROC_FILE_DEF(segment_info);
-F2FS_PROC_FILE_DEF(segment_bits);
-
-int f2fs_init_sysfs(struct f2fs_sb_info *sbi)
-{
-	struct super_block *sb = sbi->sb;
-	int err;
-
-	if (f2fs_proc_root)
-		sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
-
-	if (sbi->s_proc) {
-		proc_create_data("segment_info", S_IRUGO, sbi->s_proc,
-				 &f2fs_seq_segment_info_fops, sb);
-		proc_create_data("segment_bits", S_IRUGO, sbi->s_proc,
-				 &f2fs_seq_segment_bits_fops, sb);
-	}
-
-	sbi->s_kobj.kset = f2fs_kset;
-	init_completion(&sbi->s_kobj_unregister);
-	err = kobject_init_and_add(&sbi->s_kobj, &f2fs_ktype, NULL,
-							"%s", sb->s_id);
-	if (err)
-		goto err_out;
-	return 0;
-err_out:
-	if (sbi->s_proc) {
-		remove_proc_entry("segment_info", sbi->s_proc);
-		remove_proc_entry("segment_bits", sbi->s_proc);
-		remove_proc_entry(sb->s_id, f2fs_proc_root);
-	}
-	return err;
-}
-
 static void default_options(struct f2fs_sb_info *sbi)
 {
 	/* init some FS parameters */