62 static int xattr_create(struct inode *dir, struct dentry *dentry, int mode)  in xattr_create()  argument
65 	return dir->i_op->create(dir, dentry, mode, NULL);  in xattr_create()
69 static int xattr_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in xattr_mkdir()  argument
72 	return dir->i_op->mkdir(dir, dentry, mode);  in xattr_mkdir()
79 static int xattr_unlink(struct inode *dir, struct dentry *dentry)  in xattr_unlink()  argument
84 	reiserfs_mutex_lock_nested_safe(&dentry->d_inode->i_mutex,  in xattr_unlink()
86 	error = dir->i_op->unlink(dir, dentry);  in xattr_unlink()
87 	mutex_unlock(&dentry->d_inode->i_mutex);  in xattr_unlink()
90 		d_delete(dentry);  in xattr_unlink()
94 static int xattr_rmdir(struct inode *dir, struct dentry *dentry)  in xattr_rmdir()  argument
99 	reiserfs_mutex_lock_nested_safe(&dentry->d_inode->i_mutex,  in xattr_rmdir()
101 	error = dir->i_op->rmdir(dir, dentry);  in xattr_rmdir()
103 		dentry->d_inode->i_flags |= S_DEAD;  in xattr_rmdir()
104 	mutex_unlock(&dentry->d_inode->i_mutex);  in xattr_rmdir()
106 		d_delete(dentry);  in xattr_rmdir()
113 static struct dentry *open_xa_root(struct super_block *sb, int flags)  in open_xa_root()
115 	struct dentry *privroot = REISERFS_SB(sb)->priv_root;  in open_xa_root()
116 	struct dentry *xaroot;  in open_xa_root()
139 static struct dentry *open_xa_dir(const struct inode *inode, int flags)  in open_xa_dir()
141 	struct dentry *xaroot, *xadir;  in open_xa_dir()
174 	struct dentry *xadir;
176 	struct dentry *dentries[8];
184 	struct dentry *dentry;  in fill_with_dentries()  local
194 	dentry = lookup_one_len(name, dbuf->xadir, namelen);  in fill_with_dentries()
195 	if (IS_ERR(dentry)) {  in fill_with_dentries()
196 		return PTR_ERR(dentry);  in fill_with_dentries()
197 	} else if (!dentry->d_inode) {  in fill_with_dentries()
199 		reiserfs_error(dentry->d_sb, "xattr-20003",  in fill_with_dentries()
202 			       dentry->d_name.name, dbuf->xadir->d_name.name);  in fill_with_dentries()
203 		dput(dentry);  in fill_with_dentries()
207 	dbuf->dentries[dbuf->count++] = dentry;  in fill_with_dentries()
221 				   int (*action)(struct dentry *, void *),  in reiserfs_for_each_xattr()  argument
224 	struct dentry *dir;  in reiserfs_for_each_xattr()
258 			struct dentry *dentry = buf.dentries[i];  in reiserfs_for_each_xattr()  local
260 			if (err == 0 && !S_ISDIR(dentry->d_inode->i_mode))  in reiserfs_for_each_xattr()
261 				lerr = action(dentry, data);  in reiserfs_for_each_xattr()
263 			dput(dentry);  in reiserfs_for_each_xattr()
307 static int delete_one_xattr(struct dentry *dentry, void *data)  in delete_one_xattr()  argument
309 	struct inode *dir = dentry->d_parent->d_inode;  in delete_one_xattr()
312 	if (S_ISDIR(dentry->d_inode->i_mode))  in delete_one_xattr()
313 		return xattr_rmdir(dir, dentry);  in delete_one_xattr()
315 	return xattr_unlink(dir, dentry);  in delete_one_xattr()
318 static int chown_one_xattr(struct dentry *dentry, void *data)  in chown_one_xattr()  argument
321 	return reiserfs_setattr(dentry, attrs);  in chown_one_xattr()
348 static struct dentry *xattr_lookup(struct inode *inode, const char *name,  in xattr_lookup()
351 	struct dentry *xadir, *xafile;  in xattr_lookup()
434 	struct dentry *dentry, *xadir;  in lookup_and_delete_xattr()  local
441 	dentry = lookup_one_len(name, xadir, strlen(name));  in lookup_and_delete_xattr()
442 	if (IS_ERR(dentry)) {  in lookup_and_delete_xattr()
443 		err = PTR_ERR(dentry);  in lookup_and_delete_xattr()
447 	if (dentry->d_inode) {  in lookup_and_delete_xattr()
449 		err = xattr_unlink(xadir->d_inode, dentry);  in lookup_and_delete_xattr()
454 	dput(dentry);  in lookup_and_delete_xattr()
473 	struct dentry *dentry;  in reiserfs_xattr_set_handle()  local
492 	dentry = xattr_lookup(inode, name, flags);  in reiserfs_xattr_set_handle()
493 	if (IS_ERR(dentry)) {  in reiserfs_xattr_set_handle()
495 		return PTR_ERR(dentry);  in reiserfs_xattr_set_handle()
512 		page = reiserfs_get_page(dentry->d_inode, file_pos);  in reiserfs_xattr_set_handle()
549 	if (!err && new_size < i_size_read(dentry->d_inode)) {  in reiserfs_xattr_set_handle()
557 		mutex_lock_nested(&dentry->d_inode->i_mutex, I_MUTEX_XATTR);  in reiserfs_xattr_set_handle()
558 		inode_dio_wait(dentry->d_inode);  in reiserfs_xattr_set_handle()
561 		err = reiserfs_setattr(dentry, &newattrs);  in reiserfs_xattr_set_handle()
562 		mutex_unlock(&dentry->d_inode->i_mutex);  in reiserfs_xattr_set_handle()
567 	dput(dentry);  in reiserfs_xattr_set_handle()
609 	struct dentry *dentry;  in reiserfs_xattr_get()  local
624 	dentry = xattr_lookup(inode, name, XATTR_REPLACE);  in reiserfs_xattr_get()
625 	if (IS_ERR(dentry)) {  in reiserfs_xattr_get()
626 		err = PTR_ERR(dentry);  in reiserfs_xattr_get()
632 	isize = i_size_read(dentry->d_inode);  in reiserfs_xattr_get()
654 		page = reiserfs_get_page(dentry->d_inode, file_pos);  in reiserfs_xattr_get()
699 	dput(dentry);  in reiserfs_xattr_get()
742 reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,  in reiserfs_getxattr()  argument
747 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);  in reiserfs_getxattr()
749 	if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)  in reiserfs_getxattr()
752 	return handler->get(dentry, name, buffer, size, handler->flags);  in reiserfs_getxattr()
761 reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,  in reiserfs_setxattr()  argument
766 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);  in reiserfs_setxattr()
768 	if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)  in reiserfs_setxattr()
771 	return handler->set(dentry, name, value, size, flags, handler->flags);  in reiserfs_setxattr()
779 int reiserfs_removexattr(struct dentry *dentry, const char *name)  in reiserfs_removexattr()  argument
782 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);  in reiserfs_removexattr()
784 	if (!handler || get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)  in reiserfs_removexattr()
787 	return handler->set(dentry, name, NULL, 0, XATTR_REPLACE, handler->flags);  in reiserfs_removexattr()
794 	struct dentry *dentry;  member
805 		handler = find_xattr_handler_prefix(b->dentry->d_sb->s_xattr,  in listxattr_filler()
810 			size = handler->list(b->dentry, b->buf + b->pos,  in listxattr_filler()
816 			size = handler->list(b->dentry, NULL, 0, name,  in listxattr_filler()
832 ssize_t reiserfs_listxattr(struct dentry * dentry, char *buffer, size_t size)  in reiserfs_listxattr()  argument
834 	struct dentry *dir;  in reiserfs_listxattr()
838 		.dentry = dentry,  in reiserfs_listxattr()
843 	if (!dentry->d_inode)  in reiserfs_listxattr()
846 	if (!dentry->d_sb->s_xattr ||  in reiserfs_listxattr()
847 	    get_inode_sd_version(dentry->d_inode) == STAT_DATA_V1)  in reiserfs_listxattr()
850 	dir = open_xa_dir(dentry->d_inode, XATTR_REPLACE);  in reiserfs_listxattr()
870 static int create_privroot(struct dentry *dentry)  in create_privroot()  argument
873 	struct inode *inode = dentry->d_parent->d_inode;  in create_privroot()
876 	err = xattr_mkdir(inode, dentry, 0700);  in create_privroot()
877 	if (err || !dentry->d_inode) {  in create_privroot()
878 		reiserfs_warning(dentry->d_sb, "jdm-20006",  in create_privroot()
885 	dentry->d_inode->i_flags |= S_PRIVATE;  in create_privroot()
886 	reiserfs_info(dentry->d_sb, "Created %s - reserved for xattr "  in create_privroot()
895 static int create_privroot(struct dentry *dentry) { return 0; }  in create_privroot()  argument
945 static int xattr_hide_revalidate(struct dentry *dentry, struct nameidata *nd)  in xattr_hide_revalidate()  argument
956 	struct dentry *dentry;  in reiserfs_lookup_privroot()  local
961 	dentry = lookup_one_len(PRIVROOT_NAME, s->s_root,  in reiserfs_lookup_privroot()
963 	if (!IS_ERR(dentry)) {  in reiserfs_lookup_privroot()
964 		REISERFS_SB(s)->priv_root = dentry;  in reiserfs_lookup_privroot()
965 		d_set_d_op(dentry, &xattr_lookup_poison_ops);  in reiserfs_lookup_privroot()
966 		if (dentry->d_inode)  in reiserfs_lookup_privroot()
967 			dentry->d_inode->i_flags |= S_PRIVATE;  in reiserfs_lookup_privroot()
969 		err = PTR_ERR(dentry);  in reiserfs_lookup_privroot()
981 	struct dentry *privroot = REISERFS_SB(s)->priv_root;  in reiserfs_xattr_init()
997 			struct dentry *dentry;  in reiserfs_xattr_init()  local
998 			dentry = lookup_one_len(XAROOT_NAME, privroot,  in reiserfs_xattr_init()
1000 			if (!IS_ERR(dentry))  in reiserfs_xattr_init()
1001 				REISERFS_SB(s)->xattr_root = dentry;  in reiserfs_xattr_init()
1003 				err = PTR_ERR(dentry);  in reiserfs_xattr_init()