Linux-libre 4.2-gnu

1 files changed, 0 insertions, 233 deletions

diff --git a/fs/aufs/dentry.h b/fs/aufs/dentry.h
deleted file mode 100644
index 2ce602e1a..000000000
--- a/fs/aufs/dentry.h
+++ /dev/null
@@ -1,233 +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/>.
- */
-
-/*
- * lookup and dentry operations
- */
-
-#ifndef __AUFS_DENTRY_H__
-#define __AUFS_DENTRY_H__
-
-#ifdef __KERNEL__
-
-#include <linux/dcache.h>
-#include "rwsem.h"
-
-struct au_hdentry {
-	struct dentry		*hd_dentry;
-	aufs_bindex_t		hd_id;
-};
-
-struct au_dinfo {
-	atomic_t		di_generation;
-
-	struct au_rwsem		di_rwsem;
-	aufs_bindex_t		di_bstart, di_bend, di_bwh, di_bdiropq;
-	unsigned char		di_tmpfile; /* to allow the different name */
-	struct au_hdentry	*di_hdentry;
-} ____cacheline_aligned_in_smp;
-
-/* ---------------------------------------------------------------------- */
-
-/* dentry.c */
-extern const struct dentry_operations aufs_dop;
-struct au_branch;
-struct dentry *au_sio_lkup_one(struct qstr *name, struct dentry *parent);
-int au_h_verify(struct dentry *h_dentry, unsigned int udba, struct inode *h_dir,
-		struct dentry *h_parent, struct au_branch *br);
-
-int au_lkup_dentry(struct dentry *dentry, aufs_bindex_t bstart, mode_t type);
-int au_lkup_neg(struct dentry *dentry, aufs_bindex_t bindex, int wh);
-int au_refresh_dentry(struct dentry *dentry, struct dentry *parent);
-int au_reval_dpath(struct dentry *dentry, unsigned int sigen);
-
-/* dinfo.c */
-void au_di_init_once(void *_di);
-struct au_dinfo *au_di_alloc(struct super_block *sb, unsigned int lsc);
-void au_di_free(struct au_dinfo *dinfo);
-void au_di_swap(struct au_dinfo *a, struct au_dinfo *b);
-void au_di_cp(struct au_dinfo *dst, struct au_dinfo *src);
-int au_di_init(struct dentry *dentry);
-void au_di_fin(struct dentry *dentry);
-int au_di_realloc(struct au_dinfo *dinfo, int nbr);
-
-void di_read_lock(struct dentry *d, int flags, unsigned int lsc);
-void di_read_unlock(struct dentry *d, int flags);
-void di_downgrade_lock(struct dentry *d, int flags);
-void di_write_lock(struct dentry *d, unsigned int lsc);
-void di_write_unlock(struct dentry *d);
-void di_write_lock2_child(struct dentry *d1, struct dentry *d2, int isdir);
-void di_write_lock2_parent(struct dentry *d1, struct dentry *d2, int isdir);
-void di_write_unlock2(struct dentry *d1, struct dentry *d2);
-
-struct dentry *au_h_dptr(struct dentry *dentry, aufs_bindex_t bindex);
-struct dentry *au_h_d_alias(struct dentry *dentry, aufs_bindex_t bindex);
-aufs_bindex_t au_dbtail(struct dentry *dentry);
-aufs_bindex_t au_dbtaildir(struct dentry *dentry);
-
-void au_set_h_dptr(struct dentry *dentry, aufs_bindex_t bindex,
-		   struct dentry *h_dentry);
-int au_digen_test(struct dentry *dentry, unsigned int sigen);
-int au_dbrange_test(struct dentry *dentry);
-void au_update_digen(struct dentry *dentry);
-void au_update_dbrange(struct dentry *dentry, int do_put_zero);
-void au_update_dbstart(struct dentry *dentry);
-void au_update_dbend(struct dentry *dentry);
-int au_find_dbindex(struct dentry *dentry, struct dentry *h_dentry);
-
-/* ---------------------------------------------------------------------- */
-
-static inline struct au_dinfo *au_di(struct dentry *dentry)
-{
-	return dentry->d_fsdata;
-}
-
-/* ---------------------------------------------------------------------- */
-
-/* lock subclass for dinfo */
-enum {
-	AuLsc_DI_CHILD,		/* child first */
-	AuLsc_DI_CHILD2,	/* rename(2), link(2), and cpup at hnotify */
-	AuLsc_DI_CHILD3,	/* copyup dirs */
-	AuLsc_DI_PARENT,
-	AuLsc_DI_PARENT2,
-	AuLsc_DI_PARENT3,
-	AuLsc_DI_TMP		/* temp for replacing dinfo */
-};
-
-/*
- * di_read_lock_child, di_write_lock_child,
- * di_read_lock_child2, di_write_lock_child2,
- * di_read_lock_child3, di_write_lock_child3,
- * di_read_lock_parent, di_write_lock_parent,
- * di_read_lock_parent2, di_write_lock_parent2,
- * di_read_lock_parent3, di_write_lock_parent3,
- */
-#define AuReadLockFunc(name, lsc) \
-static inline void di_read_lock_##name(struct dentry *d, int flags) \
-{ di_read_lock(d, flags, AuLsc_DI_##lsc); }
-
-#define AuWriteLockFunc(name, lsc) \
-static inline void di_write_lock_##name(struct dentry *d) \
-{ di_write_lock(d, AuLsc_DI_##lsc); }
-
-#define AuRWLockFuncs(name, lsc) \
-	AuReadLockFunc(name, lsc) \
-	AuWriteLockFunc(name, lsc)
-
-AuRWLockFuncs(child, CHILD);
-AuRWLockFuncs(child2, CHILD2);
-AuRWLockFuncs(child3, CHILD3);
-AuRWLockFuncs(parent, PARENT);
-AuRWLockFuncs(parent2, PARENT2);
-AuRWLockFuncs(parent3, PARENT3);
-
-#undef AuReadLockFunc
-#undef AuWriteLockFunc
-#undef AuRWLockFuncs
-
-#define DiMustNoWaiters(d)	AuRwMustNoWaiters(&au_di(d)->di_rwsem)
-#define DiMustAnyLock(d)	AuRwMustAnyLock(&au_di(d)->di_rwsem)
-#define DiMustWriteLock(d)	AuRwMustWriteLock(&au_di(d)->di_rwsem)
-
-/* ---------------------------------------------------------------------- */
-
-/* todo: memory barrier? */
-static inline unsigned int au_digen(struct dentry *d)
-{
-	return atomic_read(&au_di(d)->di_generation);
-}
-
-static inline void au_h_dentry_init(struct au_hdentry *hdentry)
-{
-	hdentry->hd_dentry = NULL;
-}
-
-static inline void au_hdput(struct au_hdentry *hd)
-{
-	if (hd)
-		dput(hd->hd_dentry);
-}
-
-static inline aufs_bindex_t au_dbstart(struct dentry *dentry)
-{
-	DiMustAnyLock(dentry);
-	return au_di(dentry)->di_bstart;
-}
-
-static inline aufs_bindex_t au_dbend(struct dentry *dentry)
-{
-	DiMustAnyLock(dentry);
-	return au_di(dentry)->di_bend;
-}
-
-static inline aufs_bindex_t au_dbwh(struct dentry *dentry)
-{
-	DiMustAnyLock(dentry);
-	return au_di(dentry)->di_bwh;
-}
-
-static inline aufs_bindex_t au_dbdiropq(struct dentry *dentry)
-{
-	DiMustAnyLock(dentry);
-	return au_di(dentry)->di_bdiropq;
-}
-
-/* todo: hard/soft set? */
-static inline void au_set_dbstart(struct dentry *dentry, aufs_bindex_t bindex)
-{
-	DiMustWriteLock(dentry);
-	au_di(dentry)->di_bstart = bindex;
-}
-
-static inline void au_set_dbend(struct dentry *dentry, aufs_bindex_t bindex)
-{
-	DiMustWriteLock(dentry);
-	au_di(dentry)->di_bend = bindex;
-}
-
-static inline void au_set_dbwh(struct dentry *dentry, aufs_bindex_t bindex)
-{
-	DiMustWriteLock(dentry);
-	/* dbwh can be outside of bstart - bend range */
-	au_di(dentry)->di_bwh = bindex;
-}
-
-static inline void au_set_dbdiropq(struct dentry *dentry, aufs_bindex_t bindex)
-{
-	DiMustWriteLock(dentry);
-	au_di(dentry)->di_bdiropq = bindex;
-}
-
-/* ---------------------------------------------------------------------- */
-
-#ifdef CONFIG_AUFS_HNOTIFY
-static inline void au_digen_dec(struct dentry *d)
-{
-	atomic_dec(&au_di(d)->di_generation);
-}
-
-static inline void au_hn_di_reinit(struct dentry *dentry)
-{
-	dentry->d_fsdata = NULL;
-}
-#else
-AuStubVoid(au_hn_di_reinit, struct dentry *dentry __maybe_unused)
-#endif /* CONFIG_AUFS_HNOTIFY */
-
-#endif /* __KERNEL__ */
-#endif /* __AUFS_DENTRY_H__ */