25 	struct posix_acl *acl;  in ext4_acl_from_disk()  local
40 	acl = posix_acl_alloc(count, GFP_NOFS);  in ext4_acl_from_disk()
41 	if (!acl)  in ext4_acl_from_disk()
48 		acl->a_entries[n].e_tag  = le16_to_cpu(entry->e_tag);  in ext4_acl_from_disk()
49 		acl->a_entries[n].e_perm = le16_to_cpu(entry->e_perm);  in ext4_acl_from_disk()
51 		switch (acl->a_entries[n].e_tag) {  in ext4_acl_from_disk()
58 			acl->a_entries[n].e_id = ACL_UNDEFINED_ID;  in ext4_acl_from_disk()
66 			acl->a_entries[n].e_id =  in ext4_acl_from_disk()
76 	return acl;  in ext4_acl_from_disk()
79 	posix_acl_release(acl);  in ext4_acl_from_disk()
87 ext4_acl_to_disk(const struct posix_acl *acl, size_t *size)  in ext4_acl_to_disk()  argument
93 	*size = ext4_acl_size(acl->a_count);  in ext4_acl_to_disk()
94 	ext_acl = kmalloc(sizeof(ext4_acl_header) + acl->a_count *  in ext4_acl_to_disk()
100 	for (n = 0; n < acl->a_count; n++) {  in ext4_acl_to_disk()
102 		entry->e_tag  = cpu_to_le16(acl->a_entries[n].e_tag);  in ext4_acl_to_disk()
103 		entry->e_perm = cpu_to_le16(acl->a_entries[n].e_perm);  in ext4_acl_to_disk()
104 		switch (acl->a_entries[n].e_tag) {  in ext4_acl_to_disk()
107 			entry->e_id = cpu_to_le32(acl->a_entries[n].e_id);  in ext4_acl_to_disk()
132 	struct posix_acl *acl = EXT4_ACL_NOT_CACHED;  in ext4_iget_acl()  local
136 		acl = posix_acl_dup(*i_acl);  in ext4_iget_acl()
139 	return acl;  in ext4_iget_acl()
144 		struct posix_acl *acl)  in ext4_iset_acl()  argument
149 	*i_acl = posix_acl_dup(acl);  in ext4_iset_acl()
164 	struct posix_acl *acl;  in ext4_get_acl()  local
172 		acl = ext4_iget_acl(inode, &ei->i_acl);  in ext4_get_acl()
173 		if (acl != EXT4_ACL_NOT_CACHED)  in ext4_get_acl()
174 			return acl;  in ext4_get_acl()
179 		acl = ext4_iget_acl(inode, &ei->i_default_acl);  in ext4_get_acl()
180 		if (acl != EXT4_ACL_NOT_CACHED)  in ext4_get_acl()
181 			return acl;  in ext4_get_acl()
196 		acl = ext4_acl_from_disk(value, retval);  in ext4_get_acl()
198 		acl = NULL;  in ext4_get_acl()
200 		acl = ERR_PTR(retval);  in ext4_get_acl()
203 	if (!IS_ERR(acl)) {  in ext4_get_acl()
206 			ext4_iset_acl(inode, &ei->i_acl, acl);  in ext4_get_acl()
210 			ext4_iset_acl(inode, &ei->i_default_acl, acl);  in ext4_get_acl()
214 	return acl;  in ext4_get_acl()
224 	     struct posix_acl *acl)  in ext4_set_acl()  argument
238 		if (acl) {  in ext4_set_acl()
240 			error = posix_acl_equiv_mode(acl, &mode);  in ext4_set_acl()
247 					acl = NULL;  in ext4_set_acl()
255 			return acl ? -EACCES : 0;  in ext4_set_acl()
261 	if (acl) {  in ext4_set_acl()
262 		value = ext4_acl_to_disk(acl, &size);  in ext4_set_acl()
274 			ext4_iset_acl(inode, &ei->i_acl, acl);  in ext4_set_acl()
278 			ext4_iset_acl(inode, &ei->i_default_acl, acl);  in ext4_set_acl()
288 	struct posix_acl *acl = ext4_get_acl(inode, ACL_TYPE_ACCESS);  in ext4_check_acl()  local
290 	if (IS_ERR(acl))  in ext4_check_acl()
291 		return PTR_ERR(acl);  in ext4_check_acl()
292 	if (acl) {  in ext4_check_acl()
293 		int error = posix_acl_permission(inode, acl, mask);  in ext4_check_acl()
294 		posix_acl_release(acl);  in ext4_check_acl()
316 	struct posix_acl *acl = NULL;  in ext4_init_acl()  local
321 			acl = ext4_get_acl(dir, ACL_TYPE_DEFAULT);  in ext4_init_acl()
322 			if (IS_ERR(acl))  in ext4_init_acl()
323 				return PTR_ERR(acl);  in ext4_init_acl()
325 		if (!acl)  in ext4_init_acl()
328 	if (test_opt(inode->i_sb, POSIX_ACL) && acl) {  in ext4_init_acl()
334 					     ACL_TYPE_DEFAULT, acl);  in ext4_init_acl()
338 		clone = posix_acl_clone(acl, GFP_NOFS);  in ext4_init_acl()
356 	posix_acl_release(acl);  in ext4_init_acl()
377 	struct posix_acl *acl, *clone;  in ext4_acl_chmod()  local
384 	acl = ext4_get_acl(inode, ACL_TYPE_ACCESS);  in ext4_acl_chmod()
385 	if (IS_ERR(acl) || !acl)  in ext4_acl_chmod()
386 		return PTR_ERR(acl);  in ext4_acl_chmod()
387 	clone = posix_acl_clone(acl, GFP_KERNEL);  in ext4_acl_chmod()
388 	posix_acl_release(acl);  in ext4_acl_chmod()
447 	struct posix_acl *acl;  in ext4_xattr_get_acl()  local
453 	acl = ext4_get_acl(inode, type);  in ext4_xattr_get_acl()
454 	if (IS_ERR(acl))  in ext4_xattr_get_acl()
455 		return PTR_ERR(acl);  in ext4_xattr_get_acl()
456 	if (acl == NULL)  in ext4_xattr_get_acl()
458 	error = posix_acl_to_xattr(acl, buffer, size);  in ext4_xattr_get_acl()
459 	posix_acl_release(acl);  in ext4_xattr_get_acl()
487 	struct posix_acl *acl;  in ext4_xattr_set_acl()  local
496 		acl = posix_acl_from_xattr(value, size);  in ext4_xattr_set_acl()
497 		if (IS_ERR(acl))  in ext4_xattr_set_acl()
498 			return PTR_ERR(acl);  in ext4_xattr_set_acl()
499 		else if (acl) {  in ext4_xattr_set_acl()
500 			error = posix_acl_valid(acl);  in ext4_xattr_set_acl()
505 		acl = NULL;  in ext4_xattr_set_acl()
511 	error = ext4_set_acl(handle, inode, type, acl);  in ext4_xattr_set_acl()
517 	posix_acl_release(acl);  in ext4_xattr_set_acl()