summaryrefslogtreecommitdiff
path: root/fs/aufs/vfsub.h
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-03-25 03:53:42 -0300
commit03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch)
treefa581f6dc1c0596391690d1f67eceef3af8246dc /fs/aufs/vfsub.h
parentd4e493caf788ef44982e131ff9c786546904d934 (diff)
Linux-libre 4.5-gnu
Diffstat (limited to 'fs/aufs/vfsub.h')
-rw-r--r--fs/aufs/vfsub.h295
1 files changed, 0 insertions, 295 deletions
diff --git a/fs/aufs/vfsub.h b/fs/aufs/vfsub.h
deleted file mode 100644
index f2e1c49af..000000000
--- a/fs/aufs/vfsub.h
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * Copyright (C) 2005-2016 Junjiro R. Okajima
- */
-
-/*
- * sub-routines for VFS
- */
-
-#ifndef __AUFS_VFSUB_H__
-#define __AUFS_VFSUB_H__
-
-#ifdef __KERNEL__
-
-#include <linux/fs.h>
-#include <linux/mount.h>
-#include <linux/posix_acl.h>
-#include <linux/xattr.h>
-#include "debug.h"
-
-/* copied from linux/fs/internal.h */
-/* todo: BAD approach!! */
-extern void __mnt_drop_write(struct vfsmount *);
-extern int open_check_o_direct(struct file *f);
-
-/* ---------------------------------------------------------------------- */
-
-/* lock subclass for lower inode */
-/* default MAX_LOCKDEP_SUBCLASSES(8) is not enough */
-/* reduce? gave up. */
-enum {
- AuLsc_I_Begin = I_MUTEX_PARENT2, /* 5 */
- AuLsc_I_PARENT, /* lower inode, parent first */
- AuLsc_I_PARENT2, /* copyup dirs */
- AuLsc_I_PARENT3, /* copyup wh */
- AuLsc_I_CHILD,
- AuLsc_I_CHILD2,
- AuLsc_I_End
-};
-
-/* to debug easier, do not make them inlined functions */
-#define MtxMustLock(mtx) AuDebugOn(!mutex_is_locked(mtx))
-#define IMustLock(i) MtxMustLock(&(i)->i_mutex)
-
-/* ---------------------------------------------------------------------- */
-
-static inline void vfsub_drop_nlink(struct inode *inode)
-{
- AuDebugOn(!inode->i_nlink);
- drop_nlink(inode);
-}
-
-static inline void vfsub_dead_dir(struct inode *inode)
-{
- AuDebugOn(!S_ISDIR(inode->i_mode));
- inode->i_flags |= S_DEAD;
- clear_nlink(inode);
-}
-
-static inline int vfsub_native_ro(struct inode *inode)
-{
- return (inode->i_sb->s_flags & MS_RDONLY)
- || IS_RDONLY(inode)
- /* || IS_APPEND(inode) */
- || IS_IMMUTABLE(inode);
-}
-
-#ifdef CONFIG_AUFS_BR_FUSE
-int vfsub_test_mntns(struct vfsmount *mnt, struct super_block *h_sb);
-#else
-AuStubInt0(vfsub_test_mntns, struct vfsmount *mnt, struct super_block *h_sb);
-#endif
-
-/* ---------------------------------------------------------------------- */
-
-int vfsub_update_h_iattr(struct path *h_path, int *did);
-struct file *vfsub_dentry_open(struct path *path, int flags);
-struct file *vfsub_filp_open(const char *path, int oflags, int mode);
-struct vfsub_aopen_args {
- struct file *file;
- unsigned int open_flag;
- umode_t create_mode;
- int *opened;
-};
-struct au_branch;
-int vfsub_atomic_open(struct inode *dir, struct dentry *dentry,
- struct vfsub_aopen_args *args, struct au_branch *br);
-int vfsub_kern_path(const char *name, unsigned int flags, struct path *path);
-
-struct dentry *vfsub_lookup_one_len(const char *name, struct dentry *parent,
- int len);
-
-struct vfsub_lkup_one_args {
- struct dentry **errp;
- struct qstr *name;
- struct dentry *parent;
-};
-
-static inline struct dentry *vfsub_lkup_one(struct qstr *name,
- struct dentry *parent)
-{
- return vfsub_lookup_one_len(name->name, parent, name->len);
-}
-
-void vfsub_call_lkup_one(void *args);
-
-/* ---------------------------------------------------------------------- */
-
-static inline int vfsub_mnt_want_write(struct vfsmount *mnt)
-{
- int err;
-
- lockdep_off();
- err = mnt_want_write(mnt);
- lockdep_on();
- return err;
-}
-
-static inline void vfsub_mnt_drop_write(struct vfsmount *mnt)
-{
- lockdep_off();
- mnt_drop_write(mnt);
- lockdep_on();
-}
-
-#if 0 /* reserved */
-static inline void vfsub_mnt_drop_write_file(struct file *file)
-{
- lockdep_off();
- mnt_drop_write_file(file);
- lockdep_on();
-}
-#endif
-
-/* ---------------------------------------------------------------------- */
-
-struct au_hinode;
-struct dentry *vfsub_lock_rename(struct dentry *d1, struct au_hinode *hdir1,
- struct dentry *d2, struct au_hinode *hdir2);
-void vfsub_unlock_rename(struct dentry *d1, struct au_hinode *hdir1,
- struct dentry *d2, struct au_hinode *hdir2);
-
-int vfsub_create(struct inode *dir, struct path *path, int mode,
- bool want_excl);
-int vfsub_symlink(struct inode *dir, struct path *path,
- const char *symname);
-int vfsub_mknod(struct inode *dir, struct path *path, int mode, dev_t dev);
-int vfsub_link(struct dentry *src_dentry, struct inode *dir,
- struct path *path, struct inode **delegated_inode);
-int vfsub_rename(struct inode *src_hdir, struct dentry *src_dentry,
- struct inode *hdir, struct path *path,
- struct inode **delegated_inode);
-int vfsub_mkdir(struct inode *dir, struct path *path, int mode);
-int vfsub_rmdir(struct inode *dir, struct path *path);
-
-/* ---------------------------------------------------------------------- */
-
-ssize_t vfsub_read_u(struct file *file, char __user *ubuf, size_t count,
- loff_t *ppos);
-ssize_t vfsub_read_k(struct file *file, void *kbuf, size_t count,
- loff_t *ppos);
-ssize_t vfsub_write_u(struct file *file, const char __user *ubuf, size_t count,
- loff_t *ppos);
-ssize_t vfsub_write_k(struct file *file, void *kbuf, size_t count,
- loff_t *ppos);
-int vfsub_flush(struct file *file, fl_owner_t id);
-int vfsub_iterate_dir(struct file *file, struct dir_context *ctx);
-
-static inline loff_t vfsub_f_size_read(struct file *file)
-{
- return i_size_read(file_inode(file));
-}
-
-static inline unsigned int vfsub_file_flags(struct file *file)
-{
- unsigned int flags;
-
- spin_lock(&file->f_lock);
- flags = file->f_flags;
- spin_unlock(&file->f_lock);
-
- return flags;
-}
-
-#if 0 /* reserved */
-static inline void vfsub_file_accessed(struct file *h_file)
-{
- file_accessed(h_file);
- vfsub_update_h_iattr(&h_file->f_path, /*did*/NULL); /*ignore*/
-}
-#endif
-
-#if 0 /* reserved */
-static inline void vfsub_touch_atime(struct vfsmount *h_mnt,
- struct dentry *h_dentry)
-{
- struct path h_path = {
- .dentry = h_dentry,
- .mnt = h_mnt
- };
- touch_atime(&h_path);
- vfsub_update_h_iattr(&h_path, /*did*/NULL); /*ignore*/
-}
-#endif
-
-static inline int vfsub_update_time(struct inode *h_inode, struct timespec *ts,
- int flags)
-{
- return generic_update_time(h_inode, ts, flags);
- /* no vfsub_update_h_iattr() since we don't have struct path */
-}
-
-#ifdef CONFIG_FS_POSIX_ACL
-static inline int vfsub_acl_chmod(struct inode *h_inode, umode_t h_mode)
-{
- int err;
-
- err = posix_acl_chmod(h_inode, h_mode);
- if (err == -EOPNOTSUPP)
- err = 0;
- return err;
-}
-#else
-AuStubInt0(vfsub_acl_chmod, struct inode *h_inode, umode_t h_mode);
-#endif
-
-long vfsub_splice_to(struct file *in, loff_t *ppos,
- struct pipe_inode_info *pipe, size_t len,
- unsigned int flags);
-long vfsub_splice_from(struct pipe_inode_info *pipe, struct file *out,
- loff_t *ppos, size_t len, unsigned int flags);
-
-static inline long vfsub_truncate(struct path *path, loff_t length)
-{
- long err;
-
- lockdep_off();
- err = vfs_truncate(path, length);
- lockdep_on();
- return err;
-}
-
-int vfsub_trunc(struct path *h_path, loff_t length, unsigned int attr,
- struct file *h_file);
-int vfsub_fsync(struct file *file, struct path *path, int datasync);
-
-/* ---------------------------------------------------------------------- */
-
-static inline loff_t vfsub_llseek(struct file *file, loff_t offset, int origin)
-{
- loff_t err;
-
- lockdep_off();
- err = vfs_llseek(file, offset, origin);
- lockdep_on();
- return err;
-}
-
-/* ---------------------------------------------------------------------- */
-
-int vfsub_sio_mkdir(struct inode *dir, struct path *path, int mode);
-int vfsub_sio_rmdir(struct inode *dir, struct path *path);
-int vfsub_sio_notify_change(struct path *path, struct iattr *ia,
- struct inode **delegated_inode);
-int vfsub_notify_change(struct path *path, struct iattr *ia,
- struct inode **delegated_inode);
-int vfsub_unlink(struct inode *dir, struct path *path,
- struct inode **delegated_inode, int force);
-
-/* ---------------------------------------------------------------------- */
-
-static inline int vfsub_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags)
-{
- int err;
-
- lockdep_off();
- err = vfs_setxattr(dentry, name, value, size, flags);
- lockdep_on();
-
- return err;
-}
-
-static inline int vfsub_removexattr(struct dentry *dentry, const char *name)
-{
- int err;
-
- lockdep_off();
- err = vfs_removexattr(dentry, name);
- lockdep_on();
-
- return err;
-}
-
-#endif /* __KERNEL__ */
-#endif /* __AUFS_VFSUB_H__ */