Linux-libre 4.5-gnu

1 files changed, 0 insertions, 206 deletions

diff --git a/fs/aufs/ioctl.c b/fs/aufs/ioctl.c
deleted file mode 100644
index 6528fb911..000000000
--- a/fs/aufs/ioctl.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright (C) 2005-2016 Junjiro R. Okajima
- */
-
-/*
- * ioctl
- * plink-management and readdir in userspace.
- * assist the pathconf(3) wrapper library.
- * move-down
- * File-based Hierarchical Storage Management.
- */
-
-#include <linux/compat.h>
-#include <linux/file.h>
-#include "aufs.h"
-
-static int au_wbr_fd(struct path *path, struct aufs_wbr_fd __user *arg)
-{
-	int err, fd;
-	aufs_bindex_t wbi, bindex, bend;
-	struct file *h_file;
-	struct super_block *sb;
-	struct dentry *root;
-	struct au_branch *br;
-	struct aufs_wbr_fd wbrfd = {
-		.oflags	= au_dir_roflags,
-		.brid	= -1
-	};
-	const int valid = O_RDONLY | O_NONBLOCK | O_LARGEFILE | O_DIRECTORY
-		| O_NOATIME | O_CLOEXEC;
-
-	AuDebugOn(wbrfd.oflags & ~valid);
-
-	if (arg) {
-		err = copy_from_user(&wbrfd, arg, sizeof(wbrfd));
-		if (unlikely(err)) {
-			err = -EFAULT;
-			goto out;
-		}
-
-		err = -EINVAL;
-		AuDbg("wbrfd{0%o, %d}\n", wbrfd.oflags, wbrfd.brid);
-		wbrfd.oflags |= au_dir_roflags;
-		AuDbg("0%o\n", wbrfd.oflags);
-		if (unlikely(wbrfd.oflags & ~valid))
-			goto out;
-	}
-
-	fd = get_unused_fd_flags(0);
-	err = fd;
-	if (unlikely(fd < 0))
-		goto out;
-
-	h_file = ERR_PTR(-EINVAL);
-	wbi = 0;
-	br = NULL;
-	sb = path->dentry->d_sb;
-	root = sb->s_root;
-	aufs_read_lock(root, AuLock_IR);
-	bend = au_sbend(sb);
-	if (wbrfd.brid >= 0) {
-		wbi = au_br_index(sb, wbrfd.brid);
-		if (unlikely(wbi < 0 || wbi > bend))
-			goto out_unlock;
-	}
-
-	h_file = ERR_PTR(-ENOENT);
-	br = au_sbr(sb, wbi);
-	if (!au_br_writable(br->br_perm)) {
-		if (arg)
-			goto out_unlock;
-
-		bindex = wbi + 1;
-		wbi = -1;
-		for (; bindex <= bend; bindex++) {
-			br = au_sbr(sb, bindex);
-			if (au_br_writable(br->br_perm)) {
-				wbi = bindex;
-				br = au_sbr(sb, wbi);
-				break;
-			}
-		}
-	}
-	AuDbg("wbi %d\n", wbi);
-	if (wbi >= 0)
-		h_file = au_h_open(root, wbi, wbrfd.oflags, NULL,
-				   /*force_wr*/0);
-
-out_unlock:
-	aufs_read_unlock(root, AuLock_IR);
-	err = PTR_ERR(h_file);
-	if (IS_ERR(h_file))
-		goto out_fd;
-
-	atomic_dec(&br->br_count); /* cf. au_h_open() */
-	fd_install(fd, h_file);
-	err = fd;
-	goto out; /* success */
-
-out_fd:
-	put_unused_fd(fd);
-out:
-	AuTraceErr(err);
-	return err;
-}
-
-/* ---------------------------------------------------------------------- */
-
-long aufs_ioctl_dir(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	long err;
-	struct dentry *dentry;
-
-	switch (cmd) {
-	case AUFS_CTL_RDU:
-	case AUFS_CTL_RDU_INO:
-		err = au_rdu_ioctl(file, cmd, arg);
-		break;
-
-	case AUFS_CTL_WBR_FD:
-		err = au_wbr_fd(&file->f_path, (void __user *)arg);
-		break;
-
-	case AUFS_CTL_IBUSY:
-		err = au_ibusy_ioctl(file, arg);
-		break;
-
-	case AUFS_CTL_BRINFO:
-		err = au_brinfo_ioctl(file, arg);
-		break;
-
-	case AUFS_CTL_FHSM_FD:
-		dentry = file->f_path.dentry;
-		if (IS_ROOT(dentry))
-			err = au_fhsm_fd(dentry->d_sb, arg);
-		else
-			err = -ENOTTY;
-		break;
-
-	default:
-		/* do not call the lower */
-		AuDbg("0x%x\n", cmd);
-		err = -ENOTTY;
-	}
-
-	AuTraceErr(err);
-	return err;
-}
-
-long aufs_ioctl_nondir(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	long err;
-
-	switch (cmd) {
-	case AUFS_CTL_MVDOWN:
-		err = au_mvdown(file->f_path.dentry, (void __user *)arg);
-		break;
-
-	case AUFS_CTL_WBR_FD:
-		err = au_wbr_fd(&file->f_path, (void __user *)arg);
-		break;
-
-	default:
-		/* do not call the lower */
-		AuDbg("0x%x\n", cmd);
-		err = -ENOTTY;
-	}
-
-	AuTraceErr(err);
-	return err;
-}
-
-#ifdef CONFIG_COMPAT
-long aufs_compat_ioctl_dir(struct file *file, unsigned int cmd,
-			   unsigned long arg)
-{
-	long err;
-
-	switch (cmd) {
-	case AUFS_CTL_RDU:
-	case AUFS_CTL_RDU_INO:
-		err = au_rdu_compat_ioctl(file, cmd, arg);
-		break;
-
-	case AUFS_CTL_IBUSY:
-		err = au_ibusy_compat_ioctl(file, arg);
-		break;
-
-	case AUFS_CTL_BRINFO:
-		err = au_brinfo_compat_ioctl(file, arg);
-		break;
-
-	default:
-		err = aufs_ioctl_dir(file, cmd, arg);
-	}
-
-	AuTraceErr(err);
-	return err;
-}
-
-long aufs_compat_ioctl_nondir(struct file *file, unsigned int cmd,
-			      unsigned long arg)
-{
-	return aufs_ioctl_nondir(file, cmd, (unsigned long)compat_ptr(arg));
-}
-#endif