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-rw-r--r--fs/aufs/dentry.h221
1 files changed, 0 insertions, 221 deletions
diff --git a/fs/aufs/dentry.h b/fs/aufs/dentry.h
deleted file mode 100644
index c794adf59..000000000
--- a/fs/aufs/dentry.h
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * Copyright (C) 2005-2016 Junjiro R. Okajima
- */
-
-/*
- * 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, aufs_dop_noreval;
-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);
-void au_refresh_dop(struct dentry *dentry, int force_reval);
-
-/* 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__ */
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-12 00:12:52 +0000