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-rw-r--r--fs/aufs/inode.h673
1 files changed, 0 insertions, 673 deletions
diff --git a/fs/aufs/inode.h b/fs/aufs/inode.h
deleted file mode 100644
index 1b9be356d..000000000
--- a/fs/aufs/inode.h
+++ /dev/null
@@ -1,673 +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/>.
- */
-
-/*
- * inode operations
- */
-
-#ifndef __AUFS_INODE_H__
-#define __AUFS_INODE_H__
-
-#ifdef __KERNEL__
-
-#include <linux/fsnotify.h>
-#include "rwsem.h"
-
-struct vfsmount;
-
-struct au_hnotify {
-#ifdef CONFIG_AUFS_HNOTIFY
-#ifdef CONFIG_AUFS_HFSNOTIFY
- /* never use fsnotify_add_vfsmount_mark() */
- struct fsnotify_mark hn_mark;
-#endif
- struct inode *hn_aufs_inode; /* no get/put */
-#endif
-} ____cacheline_aligned_in_smp;
-
-struct au_hinode {
- struct inode *hi_inode;
- aufs_bindex_t hi_id;
-#ifdef CONFIG_AUFS_HNOTIFY
- struct au_hnotify *hi_notify;
-#endif
-
- /* reference to the copied-up whiteout with get/put */
- struct dentry *hi_whdentry;
-};
-
-/* ig_flags */
-#define AuIG_HALF_REFRESHED 1
-#define au_ig_ftest(flags, name) ((flags) & AuIG_##name)
-#define au_ig_fset(flags, name) \
- do { (flags) |= AuIG_##name; } while (0)
-#define au_ig_fclr(flags, name) \
- do { (flags) &= ~AuIG_##name; } while (0)
-
-struct au_iigen {
- __u32 ig_generation, ig_flags;
-};
-
-struct au_vdir;
-struct au_iinfo {
- spinlock_t ii_genspin;
- struct au_iigen ii_generation;
- struct super_block *ii_hsb1; /* no get/put */
-
- struct au_rwsem ii_rwsem;
- aufs_bindex_t ii_bstart, ii_bend;
- __u32 ii_higen;
- struct au_hinode *ii_hinode;
- struct au_vdir *ii_vdir;
-};
-
-struct au_icntnr {
- struct au_iinfo iinfo;
- struct inode vfs_inode;
-} ____cacheline_aligned_in_smp;
-
-/* au_pin flags */
-#define AuPin_DI_LOCKED 1
-#define AuPin_MNT_WRITE (1 << 1)
-#define au_ftest_pin(flags, name) ((flags) & AuPin_##name)
-#define au_fset_pin(flags, name) \
- do { (flags) |= AuPin_##name; } while (0)
-#define au_fclr_pin(flags, name) \
- do { (flags) &= ~AuPin_##name; } while (0)
-
-struct au_pin {
- /* input */
- struct dentry *dentry;
- unsigned int udba;
- unsigned char lsc_di, lsc_hi, flags;
- aufs_bindex_t bindex;
-
- /* output */
- struct dentry *parent;
- struct au_hinode *hdir;
- struct vfsmount *h_mnt;
-
- /* temporary unlock/relock for copyup */
- struct dentry *h_dentry, *h_parent;
- struct au_branch *br;
- struct task_struct *task;
-};
-
-void au_pin_hdir_unlock(struct au_pin *p);
-int au_pin_hdir_lock(struct au_pin *p);
-int au_pin_hdir_relock(struct au_pin *p);
-void au_pin_hdir_set_owner(struct au_pin *p, struct task_struct *task);
-void au_pin_hdir_acquire_nest(struct au_pin *p);
-void au_pin_hdir_release(struct au_pin *p);
-
-/* ---------------------------------------------------------------------- */
-
-static inline struct au_iinfo *au_ii(struct inode *inode)
-{
- struct au_iinfo *iinfo;
-
- iinfo = &(container_of(inode, struct au_icntnr, vfs_inode)->iinfo);
- if (iinfo->ii_hinode)
- return iinfo;
- return NULL; /* debugging bad_inode case */
-}
-
-/* ---------------------------------------------------------------------- */
-
-/* inode.c */
-struct inode *au_igrab(struct inode *inode);
-int au_refresh_hinode_self(struct inode *inode);
-int au_refresh_hinode(struct inode *inode, struct dentry *dentry);
-int au_ino(struct super_block *sb, aufs_bindex_t bindex, ino_t h_ino,
- unsigned int d_type, ino_t *ino);
-struct inode *au_new_inode(struct dentry *dentry, int must_new);
-int au_test_ro(struct super_block *sb, aufs_bindex_t bindex,
- struct inode *inode);
-int au_test_h_perm(struct inode *h_inode, int mask);
-int au_test_h_perm_sio(struct inode *h_inode, int mask);
-
-static inline int au_wh_ino(struct super_block *sb, aufs_bindex_t bindex,
- ino_t h_ino, unsigned int d_type, ino_t *ino)
-{
-#ifdef CONFIG_AUFS_SHWH
- return au_ino(sb, bindex, h_ino, d_type, ino);
-#else
- return 0;
-#endif
-}
-
-/* i_op.c */
-extern struct inode_operations aufs_iop, aufs_symlink_iop, aufs_dir_iop;
-
-/* au_wr_dir flags */
-#define AuWrDir_ADD_ENTRY 1
-#define AuWrDir_ISDIR (1 << 1)
-#define AuWrDir_TMPFILE (1 << 2)
-#define au_ftest_wrdir(flags, name) ((flags) & AuWrDir_##name)
-#define au_fset_wrdir(flags, name) \
- do { (flags) |= AuWrDir_##name; } while (0)
-#define au_fclr_wrdir(flags, name) \
- do { (flags) &= ~AuWrDir_##name; } while (0)
-
-struct au_wr_dir_args {
- aufs_bindex_t force_btgt;
- unsigned char flags;
-};
-int au_wr_dir(struct dentry *dentry, struct dentry *src_dentry,
- struct au_wr_dir_args *args);
-
-struct dentry *au_pinned_h_parent(struct au_pin *pin);
-void au_pin_init(struct au_pin *pin, struct dentry *dentry,
- aufs_bindex_t bindex, int lsc_di, int lsc_hi,
- unsigned int udba, unsigned char flags);
-int au_pin(struct au_pin *pin, struct dentry *dentry, aufs_bindex_t bindex,
- unsigned int udba, unsigned char flags) __must_check;
-int au_do_pin(struct au_pin *pin) __must_check;
-void au_unpin(struct au_pin *pin);
-int au_reval_for_attr(struct dentry *dentry, unsigned int sigen);
-
-#define AuIcpup_DID_CPUP 1
-#define au_ftest_icpup(flags, name) ((flags) & AuIcpup_##name)
-#define au_fset_icpup(flags, name) \
- do { (flags) |= AuIcpup_##name; } while (0)
-#define au_fclr_icpup(flags, name) \
- do { (flags) &= ~AuIcpup_##name; } while (0)
-
-struct au_icpup_args {
- unsigned char flags;
- unsigned char pin_flags;
- aufs_bindex_t btgt;
- unsigned int udba;
- struct au_pin pin;
- struct path h_path;
- struct inode *h_inode;
-};
-
-int au_pin_and_icpup(struct dentry *dentry, struct iattr *ia,
- struct au_icpup_args *a);
-
-int au_h_path_getattr(struct dentry *dentry, int force, struct path *h_path);
-
-/* i_op_add.c */
-int au_may_add(struct dentry *dentry, aufs_bindex_t bindex,
- struct dentry *h_parent, int isdir);
-int aufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode,
- dev_t dev);
-int aufs_symlink(struct inode *dir, struct dentry *dentry, const char *symname);
-int aufs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
- bool want_excl);
-struct vfsub_aopen_args;
-int au_aopen_or_create(struct inode *dir, struct dentry *dentry,
- struct vfsub_aopen_args *args);
-int aufs_tmpfile(struct inode *dir, struct dentry *dentry, umode_t mode);
-int aufs_link(struct dentry *src_dentry, struct inode *dir,
- struct dentry *dentry);
-int aufs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
-
-/* i_op_del.c */
-int au_wr_dir_need_wh(struct dentry *dentry, int isdir, aufs_bindex_t *bcpup);
-int au_may_del(struct dentry *dentry, aufs_bindex_t bindex,
- struct dentry *h_parent, int isdir);
-int aufs_unlink(struct inode *dir, struct dentry *dentry);
-int aufs_rmdir(struct inode *dir, struct dentry *dentry);
-
-/* i_op_ren.c */
-int au_wbr(struct dentry *dentry, aufs_bindex_t btgt);
-int aufs_rename(struct inode *src_dir, struct dentry *src_dentry,
- struct inode *dir, struct dentry *dentry);
-
-/* iinfo.c */
-struct inode *au_h_iptr(struct inode *inode, aufs_bindex_t bindex);
-void au_hiput(struct au_hinode *hinode);
-void au_set_hi_wh(struct inode *inode, aufs_bindex_t bindex,
- struct dentry *h_wh);
-unsigned int au_hi_flags(struct inode *inode, int isdir);
-
-/* hinode flags */
-#define AuHi_XINO 1
-#define AuHi_HNOTIFY (1 << 1)
-#define au_ftest_hi(flags, name) ((flags) & AuHi_##name)
-#define au_fset_hi(flags, name) \
- do { (flags) |= AuHi_##name; } while (0)
-#define au_fclr_hi(flags, name) \
- do { (flags) &= ~AuHi_##name; } while (0)
-
-#ifndef CONFIG_AUFS_HNOTIFY
-#undef AuHi_HNOTIFY
-#define AuHi_HNOTIFY 0
-#endif
-
-void au_set_h_iptr(struct inode *inode, aufs_bindex_t bindex,
- struct inode *h_inode, unsigned int flags);
-
-void au_update_iigen(struct inode *inode, int half);
-void au_update_ibrange(struct inode *inode, int do_put_zero);
-
-void au_icntnr_init_once(void *_c);
-int au_iinfo_init(struct inode *inode);
-void au_iinfo_fin(struct inode *inode);
-int au_ii_realloc(struct au_iinfo *iinfo, int nbr);
-
-#ifdef CONFIG_PROC_FS
-/* plink.c */
-int au_plink_maint(struct super_block *sb, int flags);
-struct au_sbinfo;
-void au_plink_maint_leave(struct au_sbinfo *sbinfo);
-int au_plink_maint_enter(struct super_block *sb);
-#ifdef CONFIG_AUFS_DEBUG
-void au_plink_list(struct super_block *sb);
-#else
-AuStubVoid(au_plink_list, struct super_block *sb)
-#endif
-int au_plink_test(struct inode *inode);
-struct dentry *au_plink_lkup(struct inode *inode, aufs_bindex_t bindex);
-void au_plink_append(struct inode *inode, aufs_bindex_t bindex,
- struct dentry *h_dentry);
-void au_plink_put(struct super_block *sb, int verbose);
-void au_plink_clean(struct super_block *sb, int verbose);
-void au_plink_half_refresh(struct super_block *sb, aufs_bindex_t br_id);
-#else
-AuStubInt0(au_plink_maint, struct super_block *sb, int flags);
-AuStubVoid(au_plink_maint_leave, struct au_sbinfo *sbinfo);
-AuStubInt0(au_plink_maint_enter, struct super_block *sb);
-AuStubVoid(au_plink_list, struct super_block *sb);
-AuStubInt0(au_plink_test, struct inode *inode);
-AuStub(struct dentry *, au_plink_lkup, return NULL,
- struct inode *inode, aufs_bindex_t bindex);
-AuStubVoid(au_plink_append, struct inode *inode, aufs_bindex_t bindex,
- struct dentry *h_dentry);
-AuStubVoid(au_plink_put, struct super_block *sb, int verbose);
-AuStubVoid(au_plink_clean, struct super_block *sb, int verbose);
-AuStubVoid(au_plink_half_refresh, struct super_block *sb, aufs_bindex_t br_id);
-#endif /* CONFIG_PROC_FS */
-
-#ifdef CONFIG_AUFS_XATTR
-/* xattr.c */
-int au_cpup_xattr(struct dentry *h_dst, struct dentry *h_src, int ignore_flags,
- unsigned int verbose);
-ssize_t aufs_listxattr(struct dentry *dentry, char *list, size_t size);
-ssize_t aufs_getxattr(struct dentry *dentry, const char *name, void *value,
- size_t size);
-int aufs_setxattr(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags);
-int aufs_removexattr(struct dentry *dentry, const char *name);
-
-/* void au_xattr_init(struct super_block *sb); */
-#else
-AuStubInt0(au_cpup_xattr, struct dentry *h_dst, struct dentry *h_src,
- int ignore_flags, unsigned int verbose);
-/* AuStubVoid(au_xattr_init, struct super_block *sb); */
-#endif
-
-#ifdef CONFIG_FS_POSIX_ACL
-struct posix_acl *aufs_get_acl(struct inode *inode, int type);
-int aufs_set_acl(struct inode *inode, struct posix_acl *acl, int type);
-#endif
-
-#if IS_ENABLED(CONFIG_AUFS_XATTR) || IS_ENABLED(CONFIG_FS_POSIX_ACL)
-enum {
- AU_XATTR_SET,
- AU_XATTR_REMOVE,
- AU_ACL_SET
-};
-
-struct au_srxattr {
- int type;
- union {
- struct {
- const char *name;
- const void *value;
- size_t size;
- int flags;
- } set;
- struct {
- const char *name;
- } remove;
- struct {
- struct posix_acl *acl;
- int type;
- } acl_set;
- } u;
-};
-ssize_t au_srxattr(struct dentry *dentry, struct au_srxattr *arg);
-#endif
-
-/* ---------------------------------------------------------------------- */
-
-/* lock subclass for iinfo */
-enum {
- AuLsc_II_CHILD, /* child first */
- AuLsc_II_CHILD2, /* rename(2), link(2), and cpup at hnotify */
- AuLsc_II_CHILD3, /* copyup dirs */
- AuLsc_II_PARENT, /* see AuLsc_I_PARENT in vfsub.h */
- AuLsc_II_PARENT2,
- AuLsc_II_PARENT3, /* copyup dirs */
- AuLsc_II_NEW_CHILD
-};
-
-/*
- * ii_read_lock_child, ii_write_lock_child,
- * ii_read_lock_child2, ii_write_lock_child2,
- * ii_read_lock_child3, ii_write_lock_child3,
- * ii_read_lock_parent, ii_write_lock_parent,
- * ii_read_lock_parent2, ii_write_lock_parent2,
- * ii_read_lock_parent3, ii_write_lock_parent3,
- * ii_read_lock_new_child, ii_write_lock_new_child,
- */
-#define AuReadLockFunc(name, lsc) \
-static inline void ii_read_lock_##name(struct inode *i) \
-{ \
- au_rw_read_lock_nested(&au_ii(i)->ii_rwsem, AuLsc_II_##lsc); \
-}
-
-#define AuWriteLockFunc(name, lsc) \
-static inline void ii_write_lock_##name(struct inode *i) \
-{ \
- au_rw_write_lock_nested(&au_ii(i)->ii_rwsem, AuLsc_II_##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);
-AuRWLockFuncs(new_child, NEW_CHILD);
-
-#undef AuReadLockFunc
-#undef AuWriteLockFunc
-#undef AuRWLockFuncs
-
-/*
- * ii_read_unlock, ii_write_unlock, ii_downgrade_lock
- */
-AuSimpleUnlockRwsemFuncs(ii, struct inode *i, &au_ii(i)->ii_rwsem);
-
-#define IiMustNoWaiters(i) AuRwMustNoWaiters(&au_ii(i)->ii_rwsem)
-#define IiMustAnyLock(i) AuRwMustAnyLock(&au_ii(i)->ii_rwsem)
-#define IiMustWriteLock(i) AuRwMustWriteLock(&au_ii(i)->ii_rwsem)
-
-/* ---------------------------------------------------------------------- */
-
-static inline void au_icntnr_init(struct au_icntnr *c)
-{
-#ifdef CONFIG_AUFS_DEBUG
- c->vfs_inode.i_mode = 0;
-#endif
-}
-
-static inline unsigned int au_iigen(struct inode *inode, struct au_iigen *iigen)
-{
- unsigned int gen;
- struct au_iinfo *iinfo;
-
- iinfo = au_ii(inode);
- spin_lock(&iinfo->ii_genspin);
- if (iigen)
- *iigen = iinfo->ii_generation;
- gen = iinfo->ii_generation.ig_generation;
- spin_unlock(&iinfo->ii_genspin);
-
- return gen;
-}
-
-/* tiny test for inode number */
-/* tmpfs generation is too rough */
-static inline int au_test_higen(struct inode *inode, struct inode *h_inode)
-{
- struct au_iinfo *iinfo;
-
- iinfo = au_ii(inode);
- AuRwMustAnyLock(&iinfo->ii_rwsem);
- return !(iinfo->ii_hsb1 == h_inode->i_sb
- && iinfo->ii_higen == h_inode->i_generation);
-}
-
-static inline void au_iigen_dec(struct inode *inode)
-{
- struct au_iinfo *iinfo;
-
- iinfo = au_ii(inode);
- spin_lock(&iinfo->ii_genspin);
- iinfo->ii_generation.ig_generation--;
- spin_unlock(&iinfo->ii_genspin);
-}
-
-static inline int au_iigen_test(struct inode *inode, unsigned int sigen)
-{
- int err;
-
- err = 0;
- if (unlikely(inode && au_iigen(inode, NULL) != sigen))
- err = -EIO;
-
- return err;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static inline aufs_bindex_t au_ii_br_id(struct inode *inode,
- aufs_bindex_t bindex)
-{
- IiMustAnyLock(inode);
- return au_ii(inode)->ii_hinode[0 + bindex].hi_id;
-}
-
-static inline aufs_bindex_t au_ibstart(struct inode *inode)
-{
- IiMustAnyLock(inode);
- return au_ii(inode)->ii_bstart;
-}
-
-static inline aufs_bindex_t au_ibend(struct inode *inode)
-{
- IiMustAnyLock(inode);
- return au_ii(inode)->ii_bend;
-}
-
-static inline struct au_vdir *au_ivdir(struct inode *inode)
-{
- IiMustAnyLock(inode);
- return au_ii(inode)->ii_vdir;
-}
-
-static inline struct dentry *au_hi_wh(struct inode *inode, aufs_bindex_t bindex)
-{
- IiMustAnyLock(inode);
- return au_ii(inode)->ii_hinode[0 + bindex].hi_whdentry;
-}
-
-static inline void au_set_ibstart(struct inode *inode, aufs_bindex_t bindex)
-{
- IiMustWriteLock(inode);
- au_ii(inode)->ii_bstart = bindex;
-}
-
-static inline void au_set_ibend(struct inode *inode, aufs_bindex_t bindex)
-{
- IiMustWriteLock(inode);
- au_ii(inode)->ii_bend = bindex;
-}
-
-static inline void au_set_ivdir(struct inode *inode, struct au_vdir *vdir)
-{
- IiMustWriteLock(inode);
- au_ii(inode)->ii_vdir = vdir;
-}
-
-static inline struct au_hinode *au_hi(struct inode *inode, aufs_bindex_t bindex)
-{
- IiMustAnyLock(inode);
- return au_ii(inode)->ii_hinode + bindex;
-}
-
-/* ---------------------------------------------------------------------- */
-
-static inline struct dentry *au_pinned_parent(struct au_pin *pin)
-{
- if (pin)
- return pin->parent;
- return NULL;
-}
-
-static inline struct inode *au_pinned_h_dir(struct au_pin *pin)
-{
- if (pin && pin->hdir)
- return pin->hdir->hi_inode;
- return NULL;
-}
-
-static inline struct au_hinode *au_pinned_hdir(struct au_pin *pin)
-{
- if (pin)
- return pin->hdir;
- return NULL;
-}
-
-static inline void au_pin_set_dentry(struct au_pin *pin, struct dentry *dentry)
-{
- if (pin)
- pin->dentry = dentry;
-}
-
-static inline void au_pin_set_parent_lflag(struct au_pin *pin,
- unsigned char lflag)
-{
- if (pin) {
- if (lflag)
- au_fset_pin(pin->flags, DI_LOCKED);
- else
- au_fclr_pin(pin->flags, DI_LOCKED);
- }
-}
-
-#if 0 /* reserved */
-static inline void au_pin_set_parent(struct au_pin *pin, struct dentry *parent)
-{
- if (pin) {
- dput(pin->parent);
- pin->parent = dget(parent);
- }
-}
-#endif
-
-/* ---------------------------------------------------------------------- */
-
-struct au_branch;
-#ifdef CONFIG_AUFS_HNOTIFY
-struct au_hnotify_op {
- void (*ctl)(struct au_hinode *hinode, int do_set);
- int (*alloc)(struct au_hinode *hinode);
-
- /*
- * if it returns true, the the caller should free hinode->hi_notify,
- * otherwise ->free() frees it.
- */
- int (*free)(struct au_hinode *hinode,
- struct au_hnotify *hn) __must_check;
-
- void (*fin)(void);
- int (*init)(void);
-
- int (*reset_br)(unsigned int udba, struct au_branch *br, int perm);
- void (*fin_br)(struct au_branch *br);
- int (*init_br)(struct au_branch *br, int perm);
-};
-
-/* hnotify.c */
-int au_hn_alloc(struct au_hinode *hinode, struct inode *inode);
-void au_hn_free(struct au_hinode *hinode);
-void au_hn_ctl(struct au_hinode *hinode, int do_set);
-void au_hn_reset(struct inode *inode, unsigned int flags);
-int au_hnotify(struct inode *h_dir, struct au_hnotify *hnotify, u32 mask,
- struct qstr *h_child_qstr, struct inode *h_child_inode);
-int au_hnotify_reset_br(unsigned int udba, struct au_branch *br, int perm);
-int au_hnotify_init_br(struct au_branch *br, int perm);
-void au_hnotify_fin_br(struct au_branch *br);
-int __init au_hnotify_init(void);
-void au_hnotify_fin(void);
-
-/* hfsnotify.c */
-extern const struct au_hnotify_op au_hnotify_op;
-
-static inline
-void au_hn_init(struct au_hinode *hinode)
-{
- hinode->hi_notify = NULL;
-}
-
-static inline struct au_hnotify *au_hn(struct au_hinode *hinode)
-{
- return hinode->hi_notify;
-}
-
-#else
-AuStub(int, au_hn_alloc, return -EOPNOTSUPP,
- struct au_hinode *hinode __maybe_unused,
- struct inode *inode __maybe_unused)
-AuStub(struct au_hnotify *, au_hn, return NULL, struct au_hinode *hinode)
-AuStubVoid(au_hn_free, struct au_hinode *hinode __maybe_unused)
-AuStubVoid(au_hn_ctl, struct au_hinode *hinode __maybe_unused,
- int do_set __maybe_unused)
-AuStubVoid(au_hn_reset, struct inode *inode __maybe_unused,
- unsigned int flags __maybe_unused)
-AuStubInt0(au_hnotify_reset_br, unsigned int udba __maybe_unused,
- struct au_branch *br __maybe_unused,
- int perm __maybe_unused)
-AuStubInt0(au_hnotify_init_br, struct au_branch *br __maybe_unused,
- int perm __maybe_unused)
-AuStubVoid(au_hnotify_fin_br, struct au_branch *br __maybe_unused)
-AuStubInt0(__init au_hnotify_init, void)
-AuStubVoid(au_hnotify_fin, void)
-AuStubVoid(au_hn_init, struct au_hinode *hinode __maybe_unused)
-#endif /* CONFIG_AUFS_HNOTIFY */
-
-static inline void au_hn_suspend(struct au_hinode *hdir)
-{
- au_hn_ctl(hdir, /*do_set*/0);
-}
-
-static inline void au_hn_resume(struct au_hinode *hdir)
-{
- au_hn_ctl(hdir, /*do_set*/1);
-}
-
-static inline void au_hn_imtx_lock(struct au_hinode *hdir)
-{
- mutex_lock(&hdir->hi_inode->i_mutex);
- au_hn_suspend(hdir);
-}
-
-static inline void au_hn_imtx_lock_nested(struct au_hinode *hdir,
- unsigned int sc __maybe_unused)
-{
- mutex_lock_nested(&hdir->hi_inode->i_mutex, sc);
- au_hn_suspend(hdir);
-}
-
-static inline void au_hn_imtx_unlock(struct au_hinode *hdir)
-{
- au_hn_resume(hdir);
- mutex_unlock(&hdir->hi_inode->i_mutex);
-}
-
-#endif /* __KERNEL__ */
-#endif /* __AUFS_INODE_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-29 10:58:04 +0000