88 static inline int ovl_do_rmdir(struct inode *dir, struct dentry *dentry)  in ovl_do_rmdir()  argument
90 	int err = vfs_rmdir(dir, dentry);  in ovl_do_rmdir()
92 	pr_debug("rmdir(%pd2) = %i\n", dentry, err);  in ovl_do_rmdir()
96 static inline int ovl_do_unlink(struct inode *dir, struct dentry *dentry)  in ovl_do_unlink()  argument
98 	int err = vfs_unlink(dir, dentry, NULL);  in ovl_do_unlink()
100 	pr_debug("unlink(%pd2) = %i\n", dentry, err);  in ovl_do_unlink()
104 static inline int ovl_do_link(struct dentry *old_dentry, struct inode *dir,  in ovl_do_link()
105 			      struct dentry *new_dentry)  in ovl_do_link()
113 static inline int ovl_do_create(struct inode *dir, struct dentry *dentry,  in ovl_do_create()  argument
116 	int err = vfs_create(dir, dentry, mode, true);  in ovl_do_create()
118 	pr_debug("create(%pd2, 0%o) = %i\n", dentry, mode, err);  in ovl_do_create()
122 static inline int ovl_do_mkdir(struct inode *dir, struct dentry *dentry,  in ovl_do_mkdir()  argument
125 	int err = vfs_mkdir(dir, dentry, mode);  in ovl_do_mkdir()
126 	pr_debug("mkdir(%pd2, 0%o) = %i\n", dentry, mode, err);  in ovl_do_mkdir()
130 static inline int ovl_do_mknod(struct inode *dir, struct dentry *dentry,  in ovl_do_mknod()  argument
133 	int err = vfs_mknod(dir, dentry, mode, dev);  in ovl_do_mknod()
135 	pr_debug("mknod(%pd2, 0%o, 0%o) = %i\n", dentry, mode, dev, err);  in ovl_do_mknod()
139 static inline int ovl_do_symlink(struct inode *dir, struct dentry *dentry,  in ovl_do_symlink()  argument
142 	int err = vfs_symlink(dir, dentry, oldname);  in ovl_do_symlink()
144 	pr_debug("symlink(\"%s\", %pd2) = %i\n", oldname, dentry, err);  in ovl_do_symlink()
148 static inline int ovl_do_setxattr(struct dentry *dentry, const char *name,  in ovl_do_setxattr()  argument
151 	int err = vfs_setxattr(dentry, name, value, size, flags);  in ovl_do_setxattr()
153 		 dentry, name, min((int)size, 48), value, size, flags, err);  in ovl_do_setxattr()
157 static inline int ovl_do_removexattr(struct dentry *dentry, const char *name)  in ovl_do_removexattr()  argument
159 	int err = vfs_removexattr(dentry, name);  in ovl_do_removexattr()
160 	pr_debug("removexattr(%pd2, \"%s\") = %i\n", dentry, name, err);  in ovl_do_removexattr()
164 static inline int ovl_do_rename(struct inode *olddir, struct dentry *olddentry,  in ovl_do_rename()
165 				struct inode *newdir, struct dentry *newdentry,  in ovl_do_rename()
179 static inline int ovl_do_whiteout(struct inode *dir, struct dentry *dentry)  in ovl_do_whiteout()  argument
181 	int err = vfs_whiteout(dir, dentry);  in ovl_do_whiteout()
182 	pr_debug("whiteout(%pd2) = %i\n", dentry, err);  in ovl_do_whiteout()
186 static inline struct dentry *ovl_do_tmpfile(struct dentry *dentry, umode_t mode)  in ovl_do_tmpfile()  argument
188 	struct dentry *ret = vfs_tmpfile(dentry, mode, 0);  in ovl_do_tmpfile()
191 	pr_debug("tmpfile(%pd2, 0%o) = %i\n", dentry, mode, err);  in ovl_do_tmpfile()
204 int ovl_want_write(struct dentry *dentry);
205 void ovl_drop_write(struct dentry *dentry);
206 struct dentry *ovl_workdir(struct dentry *dentry);
210 struct dentry *ovl_indexdir(struct super_block *sb);
214 bool ovl_dentry_remote(struct dentry *dentry);
215 bool ovl_dentry_weird(struct dentry *dentry);
216 enum ovl_path_type ovl_path_type(struct dentry *dentry);
217 void ovl_path_upper(struct dentry *dentry, struct path *path);
218 void ovl_path_lower(struct dentry *dentry, struct path *path);
219 void ovl_path_lowerdata(struct dentry *dentry, struct path *path);
220 enum ovl_path_type ovl_path_real(struct dentry *dentry, struct path *path);
221 struct dentry *ovl_dentry_upper(struct dentry *dentry);
222 struct dentry *ovl_dentry_lower(struct dentry *dentry);
223 struct dentry *ovl_dentry_lowerdata(struct dentry *dentry);
224 struct ovl_layer *ovl_layer_lower(struct dentry *dentry);
225 struct dentry *ovl_dentry_real(struct dentry *dentry);
226 struct dentry *ovl_i_dentry_upper(struct inode *inode);
234 void ovl_dentry_set_flag(unsigned long flag, struct dentry *dentry);
235 void ovl_dentry_clear_flag(unsigned long flag, struct dentry *dentry);
236 bool ovl_dentry_test_flag(unsigned long flag, struct dentry *dentry);
237 bool ovl_dentry_is_opaque(struct dentry *dentry);
238 bool ovl_dentry_is_whiteout(struct dentry *dentry);
239 void ovl_dentry_set_opaque(struct dentry *dentry);
240 bool ovl_dentry_has_upper_alias(struct dentry *dentry);
241 void ovl_dentry_set_upper_alias(struct dentry *dentry);
242 bool ovl_dentry_needs_data_copy_up(struct dentry *dentry, int flags);
243 bool ovl_dentry_needs_data_copy_up_locked(struct dentry *dentry, int flags);
247 const char *ovl_dentry_get_redirect(struct dentry *dentry);
248 void ovl_dentry_set_redirect(struct dentry *dentry, const char *redirect);
249 void ovl_inode_init(struct inode *inode, struct dentry *upperdentry,
250 		    struct dentry *lowerdentry, struct dentry *lowerdata);
251 void ovl_inode_update(struct inode *inode, struct dentry *upperdentry);
252 void ovl_dir_modified(struct dentry *dentry, bool impurity);
253 u64 ovl_dentry_version_get(struct dentry *dentry);
254 bool ovl_is_whiteout(struct dentry *dentry);
256 int ovl_copy_up_start(struct dentry *dentry, int flags);
257 void ovl_copy_up_end(struct dentry *dentry);
258 bool ovl_already_copied_up(struct dentry *dentry, int flags);
259 bool ovl_check_origin_xattr(struct dentry *dentry);
260 bool ovl_check_dir_xattr(struct dentry *dentry, const char *name);
261 int ovl_check_setxattr(struct dentry *dentry, struct dentry *upperdentry,
264 int ovl_set_impure(struct dentry *dentry, struct dentry *upperdentry);
268 bool ovl_inuse_trylock(struct dentry *dentry);
269 void ovl_inuse_unlock(struct dentry *dentry);
270 bool ovl_is_inuse(struct dentry *dentry);
271 bool ovl_need_index(struct dentry *dentry);
272 int ovl_nlink_start(struct dentry *dentry);
273 void ovl_nlink_end(struct dentry *dentry);
274 int ovl_lock_rename_workdir(struct dentry *workdir, struct dentry *upperdir);
275 int ovl_check_metacopy_xattr(struct dentry *dentry);
276 bool ovl_is_metacopy_dentry(struct dentry *dentry);
277 char *ovl_get_redirect_xattr(struct dentry *dentry, int padding);
278 ssize_t ovl_getxattr(struct dentry *dentry, char *name, char **value,
281 static inline bool ovl_is_impuredir(struct dentry *dentry)  in ovl_is_impuredir()  argument
283 	return ovl_check_dir_xattr(dentry, OVL_XATTR_IMPURE);  in ovl_is_impuredir()
306 struct dentry *ovl_decode_real_fh(struct ovl_fh *fh, struct vfsmount *mnt,
309 			struct dentry *upperdentry, struct ovl_path **stackp);
310 int ovl_verify_set_fh(struct dentry *dentry, const char *name,
311 		      struct dentry *real, bool is_upper, bool set);
312 struct dentry *ovl_index_upper(struct ovl_fs *ofs, struct dentry *index);
313 int ovl_verify_index(struct ovl_fs *ofs, struct dentry *index);
314 int ovl_get_index_name(struct dentry *origin, struct qstr *name);
315 struct dentry *ovl_get_index_fh(struct ovl_fs *ofs, struct ovl_fh *fh);
316 struct dentry *ovl_lookup_index(struct ovl_fs *ofs, struct dentry *upper,
317 				struct dentry *origin, bool verify);
318 int ovl_path_next(int idx, struct dentry *dentry, struct path *path);
319 struct dentry *ovl_lookup(struct inode *dir, struct dentry *dentry,
321 bool ovl_lower_positive(struct dentry *dentry);
323 static inline int ovl_verify_origin(struct dentry *upper,  in ovl_verify_origin()
324 				    struct dentry *origin, bool set)  in ovl_verify_origin()
329 static inline int ovl_verify_upper(struct dentry *index,  in ovl_verify_upper()
330 				    struct dentry *upper, bool set)  in ovl_verify_upper()
337 int ovl_check_empty_dir(struct dentry *dentry, struct list_head *list);
338 void ovl_cleanup_whiteouts(struct dentry *upper, struct list_head *list);
343 			 struct dentry *dentry, int level);
347 int ovl_set_nlink_upper(struct dentry *dentry);
348 int ovl_set_nlink_lower(struct dentry *dentry);
349 unsigned int ovl_get_nlink(struct dentry *lowerdentry,
350 			   struct dentry *upperdentry,
352 int ovl_setattr(struct dentry *dentry, struct iattr *attr);
356 int ovl_xattr_set(struct dentry *dentry, struct inode *inode, const char *name,
358 int ovl_xattr_get(struct dentry *dentry, struct inode *inode, const char *name,
360 ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size);
367 	struct dentry *upperdentry;
369 	struct dentry *index;
372 	struct dentry *lowerdata;
375 struct inode *ovl_lookup_inode(struct super_block *sb, struct dentry *real,
377 bool ovl_lookup_trap_inode(struct super_block *sb, struct dentry *dir);
378 struct inode *ovl_get_trap_inode(struct super_block *sb, struct dentry *dir);
401 int ovl_cleanup_and_whiteout(struct dentry *workdir, struct inode *dir,
402 			     struct dentry *dentry);
407 	struct dentry *hardlink;
412 struct dentry *ovl_create_real(struct inode *dir, struct dentry *newdentry,
414 int ovl_cleanup(struct inode *dir, struct dentry *dentry);
415 struct dentry *ovl_create_temp(struct dentry *workdir, struct ovl_cattr *attr);
421 int ovl_copy_up(struct dentry *dentry);
422 int ovl_copy_up_with_data(struct dentry *dentry);
423 int ovl_copy_up_flags(struct dentry *dentry, int flags);
424 int ovl_maybe_copy_up(struct dentry *dentry, int flags);
425 int ovl_copy_xattr(struct dentry *old, struct dentry *new);
426 int ovl_set_attr(struct dentry *upper, struct kstat *stat);
427 struct ovl_fh *ovl_encode_real_fh(struct dentry *real, bool is_upper);
428 int ovl_set_origin(struct dentry *dentry, struct dentry *lower,
429 		   struct dentry *upper);