Linux-libre 4.2-gnu

1 files changed, 0 insertions, 279 deletions

diff --git a/fs/aufs/branch.h b/fs/aufs/branch.h
deleted file mode 100644
index 3d026f57a..000000000
--- a/fs/aufs/branch.h
+++ /dev/null
@@ -1,279 +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/>.
- */
-
-/*
- * branch filesystems and xino for them
- */
-
-#ifndef __AUFS_BRANCH_H__
-#define __AUFS_BRANCH_H__
-
-#ifdef __KERNEL__
-
-#include <linux/mount.h>
-#include "dynop.h"
-#include "rwsem.h"
-#include "super.h"
-
-/* ---------------------------------------------------------------------- */
-
-/* a xino file */
-struct au_xino_file {
-	struct file		*xi_file;
-	struct mutex		xi_nondir_mtx;
-
-	/* todo: make xino files an array to support huge inode number */
-
-#ifdef CONFIG_DEBUG_FS
-	struct dentry		 *xi_dbgaufs;
-#endif
-};
-
-/* File-based Hierarchical Storage Management */
-struct au_br_fhsm {
-#ifdef CONFIG_AUFS_FHSM
-	struct mutex		bf_lock;
-	unsigned long		bf_jiffy;
-	struct aufs_stfs	bf_stfs;
-	int			bf_readable;
-#endif
-};
-
-/* members for writable branch only */
-enum {AuBrWh_BASE, AuBrWh_PLINK, AuBrWh_ORPH, AuBrWh_Last};
-struct au_wbr {
-	struct au_rwsem		wbr_wh_rwsem;
-	struct dentry		*wbr_wh[AuBrWh_Last];
-	atomic_t		wbr_wh_running;
-#define wbr_whbase		wbr_wh[AuBrWh_BASE]	/* whiteout base */
-#define wbr_plink		wbr_wh[AuBrWh_PLINK]	/* pseudo-link dir */
-#define wbr_orph		wbr_wh[AuBrWh_ORPH]	/* dir for orphans */
-
-	/* mfs mode */
-	unsigned long long	wbr_bytes;
-};
-
-/* ext2 has 3 types of operations at least, ext3 has 4 */
-#define AuBrDynOp (AuDyLast * 4)
-
-#ifdef CONFIG_AUFS_HFSNOTIFY
-/* support for asynchronous destruction */
-struct au_br_hfsnotify {
-	struct fsnotify_group	*hfsn_group;
-};
-#endif
-
-/* sysfs entries */
-struct au_brsysfs {
-	char			name[16];
-	struct attribute	attr;
-};
-
-enum {
-	AuBrSysfs_BR,
-	AuBrSysfs_BRID,
-	AuBrSysfs_Last
-};
-
-/* protected by superblock rwsem */
-struct au_branch {
-	struct au_xino_file	br_xino;
-
-	aufs_bindex_t		br_id;
-
-	int			br_perm;
-	struct path		br_path;
-	spinlock_t		br_dykey_lock;
-	struct au_dykey		*br_dykey[AuBrDynOp];
-	atomic_t		br_count;
-
-	struct au_wbr		*br_wbr;
-	struct au_br_fhsm	*br_fhsm;
-
-	/* xino truncation */
-	atomic_t		br_xino_running;
-
-#ifdef CONFIG_AUFS_HFSNOTIFY
-	struct au_br_hfsnotify	*br_hfsn;
-#endif
-
-#ifdef CONFIG_SYSFS
-	/* entries under sysfs per mount-point */
-	struct au_brsysfs	br_sysfs[AuBrSysfs_Last];
-#endif
-};
-
-/* ---------------------------------------------------------------------- */
-
-static inline struct vfsmount *au_br_mnt(struct au_branch *br)
-{
-	return br->br_path.mnt;
-}
-
-static inline struct dentry *au_br_dentry(struct au_branch *br)
-{
-	return br->br_path.dentry;
-}
-
-static inline struct super_block *au_br_sb(struct au_branch *br)
-{
-	return au_br_mnt(br)->mnt_sb;
-}
-
-static inline int au_br_rdonly(struct au_branch *br)
-{
-	return ((au_br_sb(br)->s_flags & MS_RDONLY)
-		|| !au_br_writable(br->br_perm))
-		? -EROFS : 0;
-}
-
-static inline int au_br_hnotifyable(int brperm __maybe_unused)
-{
-#ifdef CONFIG_AUFS_HNOTIFY
-	return !(brperm & AuBrPerm_RR);
-#else
-	return 0;
-#endif
-}
-
-static inline int au_br_test_oflag(int oflag, struct au_branch *br)
-{
-	int err, exec_flag;
-
-	err = 0;
-	exec_flag = oflag & __FMODE_EXEC;
-	if (unlikely(exec_flag && (au_br_mnt(br)->mnt_flags & MNT_NOEXEC)))
-		err = -EACCES;
-
-	return err;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/* branch.c */
-struct au_sbinfo;
-void au_br_free(struct au_sbinfo *sinfo);
-int au_br_index(struct super_block *sb, aufs_bindex_t br_id);
-struct au_opt_add;
-int au_br_add(struct super_block *sb, struct au_opt_add *add, int remount);
-struct au_opt_del;
-int au_br_del(struct super_block *sb, struct au_opt_del *del, int remount);
-long au_ibusy_ioctl(struct file *file, unsigned long arg);
-#ifdef CONFIG_COMPAT
-long au_ibusy_compat_ioctl(struct file *file, unsigned long arg);
-#endif
-struct au_opt_mod;
-int au_br_mod(struct super_block *sb, struct au_opt_mod *mod, int remount,
-	      int *do_refresh);
-struct aufs_stfs;
-int au_br_stfs(struct au_branch *br, struct aufs_stfs *stfs);
-
-/* xino.c */
-static const loff_t au_loff_max = LLONG_MAX;
-
-int au_xib_trunc(struct super_block *sb);
-ssize_t xino_fread(vfs_readf_t func, struct file *file, void *buf, size_t size,
-		   loff_t *pos);
-ssize_t xino_fwrite(vfs_writef_t func, struct file *file, void *buf,
-		    size_t size, loff_t *pos);
-struct file *au_xino_create2(struct file *base_file, struct file *copy_src);
-struct file *au_xino_create(struct super_block *sb, char *fname, int silent);
-ino_t au_xino_new_ino(struct super_block *sb);
-void au_xino_delete_inode(struct inode *inode, const int unlinked);
-int au_xino_write(struct super_block *sb, aufs_bindex_t bindex, ino_t h_ino,
-		  ino_t ino);
-int au_xino_read(struct super_block *sb, aufs_bindex_t bindex, ino_t h_ino,
-		 ino_t *ino);
-int au_xino_br(struct super_block *sb, struct au_branch *br, ino_t hino,
-	       struct file *base_file, int do_test);
-int au_xino_trunc(struct super_block *sb, aufs_bindex_t bindex);
-
-struct au_opt_xino;
-int au_xino_set(struct super_block *sb, struct au_opt_xino *xino, int remount);
-void au_xino_clr(struct super_block *sb);
-struct file *au_xino_def(struct super_block *sb);
-int au_xino_path(struct seq_file *seq, struct file *file);
-
-/* ---------------------------------------------------------------------- */
-
-/* Superblock to branch */
-static inline
-aufs_bindex_t au_sbr_id(struct super_block *sb, aufs_bindex_t bindex)
-{
-	return au_sbr(sb, bindex)->br_id;
-}
-
-static inline
-struct vfsmount *au_sbr_mnt(struct super_block *sb, aufs_bindex_t bindex)
-{
-	return au_br_mnt(au_sbr(sb, bindex));
-}
-
-static inline
-struct super_block *au_sbr_sb(struct super_block *sb, aufs_bindex_t bindex)
-{
-	return au_br_sb(au_sbr(sb, bindex));
-}
-
-static inline void au_sbr_put(struct super_block *sb, aufs_bindex_t bindex)
-{
-	atomic_dec(&au_sbr(sb, bindex)->br_count);
-}
-
-static inline int au_sbr_perm(struct super_block *sb, aufs_bindex_t bindex)
-{
-	return au_sbr(sb, bindex)->br_perm;
-}
-
-static inline int au_sbr_whable(struct super_block *sb, aufs_bindex_t bindex)
-{
-	return au_br_whable(au_sbr_perm(sb, bindex));
-}
-
-/* ---------------------------------------------------------------------- */
-
-/*
- * wbr_wh_read_lock, wbr_wh_write_lock
- * wbr_wh_read_unlock, wbr_wh_write_unlock, wbr_wh_downgrade_lock
- */
-AuSimpleRwsemFuncs(wbr_wh, struct au_wbr *wbr, &wbr->wbr_wh_rwsem);
-
-#define WbrWhMustNoWaiters(wbr)	AuRwMustNoWaiters(&wbr->wbr_wh_rwsem)
-#define WbrWhMustAnyLock(wbr)	AuRwMustAnyLock(&wbr->wbr_wh_rwsem)
-#define WbrWhMustWriteLock(wbr)	AuRwMustWriteLock(&wbr->wbr_wh_rwsem)
-
-/* ---------------------------------------------------------------------- */
-
-#ifdef CONFIG_AUFS_FHSM
-static inline void au_br_fhsm_init(struct au_br_fhsm *brfhsm)
-{
-	mutex_init(&brfhsm->bf_lock);
-	brfhsm->bf_jiffy = 0;
-	brfhsm->bf_readable = 0;
-}
-
-static inline void au_br_fhsm_fin(struct au_br_fhsm *brfhsm)
-{
-	mutex_destroy(&brfhsm->bf_lock);
-}
-#else
-AuStubVoid(au_br_fhsm_init, struct au_br_fhsm *brfhsm)
-AuStubVoid(au_br_fhsm_fin, struct au_br_fhsm *brfhsm)
-#endif
-
-#endif /* __KERNEL__ */
-#endif /* __AUFS_BRANCH_H__ */