65 static int xattr_create(struct inode *dir, struct dentry *dentry, int mode)  in xattr_create()  argument
68 	return dir->i_op->create(dir, dentry, mode, true);  in xattr_create()
72 static int xattr_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)  in xattr_mkdir()  argument
75 	return dir->i_op->mkdir(dir, dentry, mode);  in xattr_mkdir()
84 static int xattr_unlink(struct inode *dir, struct dentry *dentry)  in xattr_unlink()  argument
90 	mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD);  in xattr_unlink()
91 	error = dir->i_op->unlink(dir, dentry);  in xattr_unlink()
92 	mutex_unlock(&d_inode(dentry)->i_mutex);  in xattr_unlink()
95 		d_delete(dentry);  in xattr_unlink()
99 static int xattr_rmdir(struct inode *dir, struct dentry *dentry)  in xattr_rmdir()  argument
105 	mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_CHILD);  in xattr_rmdir()
106 	error = dir->i_op->rmdir(dir, dentry);  in xattr_rmdir()
108 		d_inode(dentry)->i_flags |= S_DEAD;  in xattr_rmdir()
109 	mutex_unlock(&d_inode(dentry)->i_mutex);  in xattr_rmdir()
111 		d_delete(dentry);  in xattr_rmdir()
118 static struct dentry *open_xa_root(struct super_block *sb, int flags)  in open_xa_root()
120 	struct dentry *privroot = REISERFS_SB(sb)->priv_root;  in open_xa_root()
121 	struct dentry *xaroot;  in open_xa_root()
146 static struct dentry *open_xa_dir(const struct inode *inode, int flags)  in open_xa_dir()
148 	struct dentry *xaroot, *xadir;  in open_xa_dir()
185 	struct dentry *xadir;
187 	struct dentry *dentries[8];
196 	struct dentry *dentry;  in fill_with_dentries()  local
207 	dentry = lookup_one_len(name, dbuf->xadir, namelen);  in fill_with_dentries()
208 	if (IS_ERR(dentry)) {  in fill_with_dentries()
209 		return PTR_ERR(dentry);  in fill_with_dentries()
210 	} else if (d_really_is_negative(dentry)) {  in fill_with_dentries()
212 		reiserfs_error(dentry->d_sb, "xattr-20003",  in fill_with_dentries()
215 			       dentry, dbuf->xadir);  in fill_with_dentries()
216 		dput(dentry);  in fill_with_dentries()
220 	dbuf->dentries[dbuf->count++] = dentry;  in fill_with_dentries()
235 				   int (*action)(struct dentry *, void *),  in reiserfs_for_each_xattr()  argument
238 	struct dentry *dir;  in reiserfs_for_each_xattr()
267 			struct dentry *dentry = buf.dentries[i];  in reiserfs_for_each_xattr()  local
269 			if (!d_is_dir(dentry))  in reiserfs_for_each_xattr()
270 				err = action(dentry, data);  in reiserfs_for_each_xattr()
272 			dput(dentry);  in reiserfs_for_each_xattr()
320 static int delete_one_xattr(struct dentry *dentry, void *data)  in delete_one_xattr()  argument
322 	struct inode *dir = d_inode(dentry->d_parent);  in delete_one_xattr()
325 	if (d_is_dir(dentry))  in delete_one_xattr()
326 		return xattr_rmdir(dir, dentry);  in delete_one_xattr()
328 	return xattr_unlink(dir, dentry);  in delete_one_xattr()
331 static int chown_one_xattr(struct dentry *dentry, void *data)  in chown_one_xattr()  argument
343 	err = reiserfs_setattr(dentry, attrs);  in chown_one_xattr()
377 static struct dentry *xattr_lookup(struct inode *inode, const char *name,  in xattr_lookup()
380 	struct dentry *xadir, *xafile;  in xattr_lookup()
466 	struct dentry *dentry, *xadir;  in lookup_and_delete_xattr()  local
473 	dentry = lookup_one_len(name, xadir, strlen(name));  in lookup_and_delete_xattr()
474 	if (IS_ERR(dentry)) {  in lookup_and_delete_xattr()
475 		err = PTR_ERR(dentry);  in lookup_and_delete_xattr()
479 	if (d_really_is_positive(dentry)) {  in lookup_and_delete_xattr()
480 		err = xattr_unlink(d_inode(xadir), dentry);  in lookup_and_delete_xattr()
484 	dput(dentry);  in lookup_and_delete_xattr()
503 	struct dentry *dentry;  in reiserfs_xattr_set_handle()  local
519 	dentry = xattr_lookup(inode, name, flags);  in reiserfs_xattr_set_handle()
520 	if (IS_ERR(dentry))  in reiserfs_xattr_set_handle()
521 		return PTR_ERR(dentry);  in reiserfs_xattr_set_handle()
536 		page = reiserfs_get_page(d_inode(dentry), file_pos);  in reiserfs_xattr_set_handle()
576 	if (!err && new_size < i_size_read(d_inode(dentry))) {  in reiserfs_xattr_set_handle()
583 		mutex_lock_nested(&d_inode(dentry)->i_mutex, I_MUTEX_XATTR);  in reiserfs_xattr_set_handle()
584 		inode_dio_wait(d_inode(dentry));  in reiserfs_xattr_set_handle()
586 		err = reiserfs_setattr(dentry, &newattrs);  in reiserfs_xattr_set_handle()
587 		mutex_unlock(&d_inode(dentry)->i_mutex);  in reiserfs_xattr_set_handle()
592 	dput(dentry);  in reiserfs_xattr_set_handle()
635 	struct dentry *dentry;  in reiserfs_xattr_get()  local
652 	dentry = xattr_lookup(inode, name, XATTR_REPLACE);  in reiserfs_xattr_get()
653 	if (IS_ERR(dentry)) {  in reiserfs_xattr_get()
654 		err = PTR_ERR(dentry);  in reiserfs_xattr_get()
660 	isize = i_size_read(d_inode(dentry));  in reiserfs_xattr_get()
683 		page = reiserfs_get_page(d_inode(dentry), file_pos);  in reiserfs_xattr_get()
728 	dput(dentry);  in reiserfs_xattr_get()
771 reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,  in reiserfs_getxattr()  argument
776 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);  in reiserfs_getxattr()
778 	if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)  in reiserfs_getxattr()
781 	return handler->get(dentry, name, buffer, size, handler->flags);  in reiserfs_getxattr()
790 reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,  in reiserfs_setxattr()  argument
795 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);  in reiserfs_setxattr()
797 	if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)  in reiserfs_setxattr()
800 	return handler->set(dentry, name, value, size, flags, handler->flags);  in reiserfs_setxattr()
808 int reiserfs_removexattr(struct dentry *dentry, const char *name)  in reiserfs_removexattr()  argument
812 	handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);  in reiserfs_removexattr()
814 	if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)  in reiserfs_removexattr()
817 	return handler->set(dentry, name, NULL, 0, XATTR_REPLACE, handler->flags);  in reiserfs_removexattr()
825 	struct dentry *dentry;  member
840 		handler = find_xattr_handler_prefix(b->dentry->d_sb->s_xattr,  in listxattr_filler()
845 			size = handler->list(b->dentry, b->buf + b->pos,  in listxattr_filler()
851 			size = handler->list(b->dentry, NULL, 0, name,  in listxattr_filler()
867 ssize_t reiserfs_listxattr(struct dentry * dentry, char *buffer, size_t size)  in reiserfs_listxattr()  argument
869 	struct dentry *dir;  in reiserfs_listxattr()
873 		.dentry = dentry,  in reiserfs_listxattr()
878 	if (d_really_is_negative(dentry))  in reiserfs_listxattr()
881 	if (!dentry->d_sb->s_xattr ||  in reiserfs_listxattr()
882 	    get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)  in reiserfs_listxattr()
885 	dir = open_xa_dir(d_inode(dentry), XATTR_REPLACE);  in reiserfs_listxattr()
905 static int create_privroot(struct dentry *dentry)  in create_privroot()  argument
908 	struct inode *inode = d_inode(dentry->d_parent);  in create_privroot()
912 	err = xattr_mkdir(inode, dentry, 0700);  in create_privroot()
913 	if (err || d_really_is_negative(dentry)) {  in create_privroot()
914 		reiserfs_warning(dentry->d_sb, "jdm-20006",  in create_privroot()
921 	d_inode(dentry)->i_flags |= S_PRIVATE;  in create_privroot()
922 	reiserfs_info(dentry->d_sb, "Created %s - reserved for xattr "  in create_privroot()
931 static int create_privroot(struct dentry *dentry) { return 0; }  in create_privroot()  argument
985 static int xattr_hide_revalidate(struct dentry *dentry, unsigned int flags)  in xattr_hide_revalidate()  argument
996 	struct dentry *dentry;  in reiserfs_lookup_privroot()  local
1001 	dentry = lookup_one_len(PRIVROOT_NAME, s->s_root,  in reiserfs_lookup_privroot()
1003 	if (!IS_ERR(dentry)) {  in reiserfs_lookup_privroot()
1004 		REISERFS_SB(s)->priv_root = dentry;  in reiserfs_lookup_privroot()
1005 		d_set_d_op(dentry, &xattr_lookup_poison_ops);  in reiserfs_lookup_privroot()
1006 		if (d_really_is_positive(dentry))  in reiserfs_lookup_privroot()
1007 			d_inode(dentry)->i_flags |= S_PRIVATE;  in reiserfs_lookup_privroot()
1009 		err = PTR_ERR(dentry);  in reiserfs_lookup_privroot()
1023 	struct dentry *privroot = REISERFS_SB(s)->priv_root;  in reiserfs_xattr_init()
1039 			struct dentry *dentry;  in reiserfs_xattr_init()  local
1041 			dentry = lookup_one_len(XAROOT_NAME, privroot,  in reiserfs_xattr_init()
1043 			if (!IS_ERR(dentry))  in reiserfs_xattr_init()
1044 				REISERFS_SB(s)->xattr_root = dentry;  in reiserfs_xattr_init()
1046 				err = PTR_ERR(dentry);  in reiserfs_xattr_init()