Linux-libre 4.2-gnu

1 files changed, 0 insertions, 169 deletions

diff --git a/fs/aufs/procfs.c b/fs/aufs/procfs.c
deleted file mode 100644
index 772be91a9..000000000
--- a/fs/aufs/procfs.c
+++ /dev/null
@@ -1,169 +0,0 @@
-/*
- * Copyright (C) 2010-2015 Junjiro R. Okajima
- *
- * This program, aufs is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-/*
- * procfs interfaces
- */
-
-#include <linux/proc_fs.h>
-#include "aufs.h"
-
-static int au_procfs_plm_release(struct inode *inode, struct file *file)
-{
-	struct au_sbinfo *sbinfo;
-
-	sbinfo = file->private_data;
-	if (sbinfo) {
-		au_plink_maint_leave(sbinfo);
-		kobject_put(&sbinfo->si_kobj);
-	}
-
-	return 0;
-}
-
-static void au_procfs_plm_write_clean(struct file *file)
-{
-	struct au_sbinfo *sbinfo;
-
-	sbinfo = file->private_data;
-	if (sbinfo)
-		au_plink_clean(sbinfo->si_sb, /*verbose*/0);
-}
-
-static int au_procfs_plm_write_si(struct file *file, unsigned long id)
-{
-	int err;
-	struct super_block *sb;
-	struct au_sbinfo *sbinfo;
-
-	err = -EBUSY;
-	if (unlikely(file->private_data))
-		goto out;
-
-	sb = NULL;
-	/* don't use au_sbilist_lock() here */
-	spin_lock(&au_sbilist.spin);
-	list_for_each_entry(sbinfo, &au_sbilist.head, si_list)
-		if (id == sysaufs_si_id(sbinfo)) {
-			kobject_get(&sbinfo->si_kobj);
-			sb = sbinfo->si_sb;
-			break;
-		}
-	spin_unlock(&au_sbilist.spin);
-
-	err = -EINVAL;
-	if (unlikely(!sb))
-		goto out;
-
-	err = au_plink_maint_enter(sb);
-	if (!err)
-		/* keep kobject_get() */
-		file->private_data = sbinfo;
-	else
-		kobject_put(&sbinfo->si_kobj);
-out:
-	return err;
-}
-
-/*
- * Accept a valid "si=xxxx" only.
- * Once it is accepted successfully, accept "clean" too.
- */
-static ssize_t au_procfs_plm_write(struct file *file, const char __user *ubuf,
-				   size_t count, loff_t *ppos)
-{
-	ssize_t err;
-	unsigned long id;
-	/* last newline is allowed */
-	char buf[3 + sizeof(unsigned long) * 2 + 1];
-
-	err = -EACCES;
-	if (unlikely(!capable(CAP_SYS_ADMIN)))
-		goto out;
-
-	err = -EINVAL;
-	if (unlikely(count > sizeof(buf)))
-		goto out;
-
-	err = copy_from_user(buf, ubuf, count);
-	if (unlikely(err)) {
-		err = -EFAULT;
-		goto out;
-	}
-	buf[count] = 0;
-
-	err = -EINVAL;
-	if (!strcmp("clean", buf)) {
-		au_procfs_plm_write_clean(file);
-		goto out_success;
-	} else if (unlikely(strncmp("si=", buf, 3)))
-		goto out;
-
-	err = kstrtoul(buf + 3, 16, &id);
-	if (unlikely(err))
-		goto out;
-
-	err = au_procfs_plm_write_si(file, id);
-	if (unlikely(err))
-		goto out;
-
-out_success:
-	err = count; /* success */
-out:
-	return err;
-}
-
-static const struct file_operations au_procfs_plm_fop = {
-	.write		= au_procfs_plm_write,
-	.release	= au_procfs_plm_release,
-	.owner		= THIS_MODULE
-};
-
-/* ---------------------------------------------------------------------- */
-
-static struct proc_dir_entry *au_procfs_dir;
-
-void au_procfs_fin(void)
-{
-	remove_proc_entry(AUFS_PLINK_MAINT_NAME, au_procfs_dir);
-	remove_proc_entry(AUFS_PLINK_MAINT_DIR, NULL);
-}
-
-int __init au_procfs_init(void)
-{
-	int err;
-	struct proc_dir_entry *entry;
-
-	err = -ENOMEM;
-	au_procfs_dir = proc_mkdir(AUFS_PLINK_MAINT_DIR, NULL);
-	if (unlikely(!au_procfs_dir))
-		goto out;
-
-	entry = proc_create(AUFS_PLINK_MAINT_NAME, S_IFREG | S_IWUSR,
-			    au_procfs_dir, &au_procfs_plm_fop);
-	if (unlikely(!entry))
-		goto out_dir;
-
-	err = 0;
-	goto out; /* success */
-
-
-out_dir:
-	remove_proc_entry(AUFS_PLINK_MAINT_DIR, NULL);
-out:
-	return err;
-}