1 files changed, 0 insertions, 144 deletions
diff --git a/fs/aufs/sysrq.c b/fs/aufs/sysrq.c
deleted file mode 100644
index 7921ed716..000000000
--- a/fs/aufs/sysrq.c
+++ /dev/null
@@ -1,144 +0,0 @@
-/*
- * Copyright (C) 2005-2016 Junjiro R. Okajima
- */
-
-/*
- * magic sysrq hanlder
- */
-
-/* #include <linux/sysrq.h> */
-#include <linux/writeback.h>
-#include "aufs.h"
-
-/* ---------------------------------------------------------------------- */
-
-static void sysrq_sb(struct super_block *sb)
-{
-	char *plevel;
-	struct au_sbinfo *sbinfo;
-	struct file *file;
-	struct au_sphlhead *files;
-	struct au_finfo *finfo;
-
-	plevel = au_plevel;
-	au_plevel = KERN_WARNING;
-
-	/* since we define pr_fmt, call printk directly */
-#define pr(str) printk(KERN_WARNING AUFS_NAME ": " str)
-
-	sbinfo = au_sbi(sb);
-	printk(KERN_WARNING "si=%lx\n", sysaufs_si_id(sbinfo));
-	pr("superblock\n");
-	au_dpri_sb(sb);
-
-#if 0
-	pr("root dentry\n");
-	au_dpri_dentry(sb->s_root);
-	pr("root inode\n");
-	au_dpri_inode(d_inode(sb->s_root));
-#endif
-
-#if 0
-	do {
-		int err, i, j, ndentry;
-		struct au_dcsub_pages dpages;
-		struct au_dpage *dpage;
-
-		err = au_dpages_init(&dpages, GFP_ATOMIC);
-		if (unlikely(err))
-			break;
-		err = au_dcsub_pages(&dpages, sb->s_root, NULL, NULL);
-		if (!err)
-			for (i = 0; i < dpages.ndpage; i++) {
-				dpage = dpages.dpages + i;
-				ndentry = dpage->ndentry;
-				for (j = 0; j < ndentry; j++)
-					au_dpri_dentry(dpage->dentries[j]);
-			}
-		au_dpages_free(&dpages);
-	} while (0);
-#endif
-
-#if 1
-	{
-		struct inode *i;
-
-		pr("isolated inode\n");
-		spin_lock(&sb->s_inode_list_lock);
-		list_for_each_entry(i, &sb->s_inodes, i_sb_list) {
-			spin_lock(&i->i_lock);
-			if (1 || hlist_empty(&i->i_dentry))
-				au_dpri_inode(i);
-			spin_unlock(&i->i_lock);
-		}
-		spin_unlock(&sb->s_inode_list_lock);
-	}
-#endif
-	pr("files\n");
-	files = &au_sbi(sb)->si_files;
-	spin_lock(&files->spin);
-	hlist_for_each_entry(finfo, &files->head, fi_hlist) {
-		umode_t mode;
-
-		file = finfo->fi_file;
-		mode = file_inode(file)->i_mode;
-		if (!special_file(mode))
-			au_dpri_file(file);
-	}
-	spin_unlock(&files->spin);
-	pr("done\n");
-
-#undef pr
-	au_plevel = plevel;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/* module parameter */
-static char *aufs_sysrq_key = "a";
-module_param_named(sysrq, aufs_sysrq_key, charp, S_IRUGO);
-MODULE_PARM_DESC(sysrq, "MagicSysRq key for " AUFS_NAME);
-
-static void au_sysrq(int key __maybe_unused)
-{
-	struct au_sbinfo *sbinfo;
-
-	lockdep_off();
-	au_sbilist_lock();
-	list_for_each_entry(sbinfo, &au_sbilist.head, si_list)
-		sysrq_sb(sbinfo->si_sb);
-	au_sbilist_unlock();
-	lockdep_on();
-}
-
-static struct sysrq_key_op au_sysrq_op = {
-	.handler	= au_sysrq,
-	.help_msg	= "Aufs",
-	.action_msg	= "Aufs",
-	.enable_mask	= SYSRQ_ENABLE_DUMP
-};
-
-/* ---------------------------------------------------------------------- */
-
-int __init au_sysrq_init(void)
-{
-	int err;
-	char key;
-
-	err = -1;
-	key = *aufs_sysrq_key;
-	if ('a' <= key && key <= 'z')
-		err = register_sysrq_key(key, &au_sysrq_op);
-	if (unlikely(err))
-		pr_err("err %d, sysrq=%c\n", err, key);
-	return err;
-}
-
-void au_sysrq_fin(void)
-{
-	int err;
-
-	err = unregister_sysrq_key(*aufs_sysrq_key, &au_sysrq_op);
-	if (unlikely(err))
-		pr_err("err %d (ignored)\n", err);
-}