Linux-libre 4.2-gnu

1 files changed, 0 insertions, 291 deletions

diff --git a/fs/aufs/file.h b/fs/aufs/file.h
deleted file mode 100644
index 10ede169f..000000000
--- a/fs/aufs/file.h
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- * Copyright (C) 2005-2015 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/>.
- */
-
-/*
- * file operations
- */
-
-#ifndef __AUFS_FILE_H__
-#define __AUFS_FILE_H__
-
-#ifdef __KERNEL__
-
-#include <linux/file.h>
-#include <linux/fs.h>
-#include <linux/poll.h>
-#include "rwsem.h"
-
-struct au_branch;
-struct au_hfile {
-	struct file		*hf_file;
-	struct au_branch	*hf_br;
-};
-
-struct au_vdir;
-struct au_fidir {
-	aufs_bindex_t		fd_bbot;
-	aufs_bindex_t		fd_nent;
-	struct au_vdir		*fd_vdir_cache;
-	struct au_hfile		fd_hfile[];
-};
-
-static inline int au_fidir_sz(int nent)
-{
-	AuDebugOn(nent < 0);
-	return sizeof(struct au_fidir) + sizeof(struct au_hfile) * nent;
-}
-
-struct au_finfo {
-	atomic_t		fi_generation;
-
-	struct au_rwsem		fi_rwsem;
-	aufs_bindex_t		fi_btop;
-
-	/* do not union them */
-	struct {				/* for non-dir */
-		struct au_hfile			fi_htop;
-		atomic_t			fi_mmapped;
-	};
-	struct au_fidir		*fi_hdir;	/* for dir only */
-
-	struct hlist_node	fi_hlist;
-	struct file		*fi_file;	/* very ugly */
-} ____cacheline_aligned_in_smp;
-
-/* ---------------------------------------------------------------------- */
-
-/* file.c */
-extern const struct address_space_operations aufs_aop;
-unsigned int au_file_roflags(unsigned int flags);
-struct file *au_h_open(struct dentry *dentry, aufs_bindex_t bindex, int flags,
-		       struct file *file, int force_wr);
-struct au_do_open_args {
-	int		no_lock;
-	int		(*open)(struct file *file, int flags,
-				struct file *h_file);
-	struct au_fidir	*fidir;
-	struct file	*h_file;
-};
-int au_do_open(struct file *file, struct au_do_open_args *args);
-int au_reopen_nondir(struct file *file);
-struct au_pin;
-int au_ready_to_write(struct file *file, loff_t len, struct au_pin *pin);
-int au_reval_and_lock_fdi(struct file *file, int (*reopen)(struct file *file),
-			  int wlock);
-int au_do_flush(struct file *file, fl_owner_t id,
-		int (*flush)(struct file *file, fl_owner_t id));
-
-/* poll.c */
-#ifdef CONFIG_AUFS_POLL
-unsigned int aufs_poll(struct file *file, poll_table *wait);
-#endif
-
-#ifdef CONFIG_AUFS_BR_HFSPLUS
-/* hfsplus.c */
-struct file *au_h_open_pre(struct dentry *dentry, aufs_bindex_t bindex,
-			   int force_wr);
-void au_h_open_post(struct dentry *dentry, aufs_bindex_t bindex,
-		    struct file *h_file);
-#else
-AuStub(struct file *, au_h_open_pre, return NULL, struct dentry *dentry,
-       aufs_bindex_t bindex, int force_wr)
-AuStubVoid(au_h_open_post, struct dentry *dentry, aufs_bindex_t bindex,
-	   struct file *h_file);
-#endif
-
-/* f_op.c */
-extern const struct file_operations aufs_file_fop;
-int au_do_open_nondir(struct file *file, int flags, struct file *h_file);
-int aufs_release_nondir(struct inode *inode __maybe_unused, struct file *file);
-struct file *au_read_pre(struct file *file, int keep_fi);
-
-/* finfo.c */
-void au_hfput(struct au_hfile *hf, struct file *file);
-void au_set_h_fptr(struct file *file, aufs_bindex_t bindex,
-		   struct file *h_file);
-
-void au_update_figen(struct file *file);
-struct au_fidir *au_fidir_alloc(struct super_block *sb);
-int au_fidir_realloc(struct au_finfo *finfo, int nbr);
-
-void au_fi_init_once(void *_fi);
-void au_finfo_fin(struct file *file);
-int au_finfo_init(struct file *file, struct au_fidir *fidir);
-
-/* ioctl.c */
-long aufs_ioctl_nondir(struct file *file, unsigned int cmd, unsigned long arg);
-#ifdef CONFIG_COMPAT
-long aufs_compat_ioctl_dir(struct file *file, unsigned int cmd,
-			   unsigned long arg);
-long aufs_compat_ioctl_nondir(struct file *file, unsigned int cmd,
-			      unsigned long arg);
-#endif
-
-/* ---------------------------------------------------------------------- */
-
-static inline struct au_finfo *au_fi(struct file *file)
-{
-	return file->private_data;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/*
- * fi_read_lock, fi_write_lock,
- * fi_read_unlock, fi_write_unlock, fi_downgrade_lock
- */
-AuSimpleRwsemFuncs(fi, struct file *f, &au_fi(f)->fi_rwsem);
-
-#define FiMustNoWaiters(f)	AuRwMustNoWaiters(&au_fi(f)->fi_rwsem)
-#define FiMustAnyLock(f)	AuRwMustAnyLock(&au_fi(f)->fi_rwsem)
-#define FiMustWriteLock(f)	AuRwMustWriteLock(&au_fi(f)->fi_rwsem)
-
-/* ---------------------------------------------------------------------- */
-
-/* todo: hard/soft set? */
-static inline aufs_bindex_t au_fbstart(struct file *file)
-{
-	FiMustAnyLock(file);
-	return au_fi(file)->fi_btop;
-}
-
-static inline aufs_bindex_t au_fbend_dir(struct file *file)
-{
-	FiMustAnyLock(file);
-	AuDebugOn(!au_fi(file)->fi_hdir);
-	return au_fi(file)->fi_hdir->fd_bbot;
-}
-
-static inline struct au_vdir *au_fvdir_cache(struct file *file)
-{
-	FiMustAnyLock(file);
-	AuDebugOn(!au_fi(file)->fi_hdir);
-	return au_fi(file)->fi_hdir->fd_vdir_cache;
-}
-
-static inline void au_set_fbstart(struct file *file, aufs_bindex_t bindex)
-{
-	FiMustWriteLock(file);
-	au_fi(file)->fi_btop = bindex;
-}
-
-static inline void au_set_fbend_dir(struct file *file, aufs_bindex_t bindex)
-{
-	FiMustWriteLock(file);
-	AuDebugOn(!au_fi(file)->fi_hdir);
-	au_fi(file)->fi_hdir->fd_bbot = bindex;
-}
-
-static inline void au_set_fvdir_cache(struct file *file,
-				      struct au_vdir *vdir_cache)
-{
-	FiMustWriteLock(file);
-	AuDebugOn(!au_fi(file)->fi_hdir);
-	au_fi(file)->fi_hdir->fd_vdir_cache = vdir_cache;
-}
-
-static inline struct file *au_hf_top(struct file *file)
-{
-	FiMustAnyLock(file);
-	AuDebugOn(au_fi(file)->fi_hdir);
-	return au_fi(file)->fi_htop.hf_file;
-}
-
-static inline struct file *au_hf_dir(struct file *file, aufs_bindex_t bindex)
-{
-	FiMustAnyLock(file);
-	AuDebugOn(!au_fi(file)->fi_hdir);
-	return au_fi(file)->fi_hdir->fd_hfile[0 + bindex].hf_file;
-}
-
-/* todo: memory barrier? */
-static inline unsigned int au_figen(struct file *f)
-{
-	return atomic_read(&au_fi(f)->fi_generation);
-}
-
-static inline void au_set_mmapped(struct file *f)
-{
-	if (atomic_inc_return(&au_fi(f)->fi_mmapped))
-		return;
-	pr_warn("fi_mmapped wrapped around\n");
-	while (!atomic_inc_return(&au_fi(f)->fi_mmapped))
-		;
-}
-
-static inline void au_unset_mmapped(struct file *f)
-{
-	atomic_dec(&au_fi(f)->fi_mmapped);
-}
-
-static inline int au_test_mmapped(struct file *f)
-{
-	return atomic_read(&au_fi(f)->fi_mmapped);
-}
-
-/* customize vma->vm_file */
-
-static inline void au_do_vm_file_reset(struct vm_area_struct *vma,
-				       struct file *file)
-{
-	struct file *f;
-
-	f = vma->vm_file;
-	get_file(file);
-	vma->vm_file = file;
-	fput(f);
-}
-
-#ifdef CONFIG_MMU
-#define AuDbgVmRegion(file, vma) do {} while (0)
-
-static inline void au_vm_file_reset(struct vm_area_struct *vma,
-				    struct file *file)
-{
-	au_do_vm_file_reset(vma, file);
-}
-#else
-#define AuDbgVmRegion(file, vma) \
-	AuDebugOn((vma)->vm_region && (vma)->vm_region->vm_file != (file))
-
-static inline void au_vm_file_reset(struct vm_area_struct *vma,
-				    struct file *file)
-{
-	struct file *f;
-
-	au_do_vm_file_reset(vma, file);
-	f = vma->vm_region->vm_file;
-	get_file(file);
-	vma->vm_region->vm_file = file;
-	fput(f);
-}
-#endif /* CONFIG_MMU */
-
-/* handle vma->vm_prfile */
-static inline void au_vm_prfile_set(struct vm_area_struct *vma,
-				    struct file *file)
-{
-	get_file(file);
-	vma->vm_prfile = file;
-#ifndef CONFIG_MMU
-	get_file(file);
-	vma->vm_region->vm_prfile = file;
-#endif
-}
-
-#endif /* __KERNEL__ */
-#endif /* __AUFS_FILE_H__ */