17  * Return: True if @le is valid.
20 				  struct ATTR_LIST_ENTRY *le)  in al_is_valid_le()  argument
22 	if (!le || !ni->attr_list.le || !ni->attr_list.size)  in al_is_valid_le()
25 	return PtrOffset(ni->attr_list.le, le) + le16_to_cpu(le->size) <=  in al_is_valid_le()
32 	kvfree(ni->attr_list.le);  in al_destroy()
33 	ni->attr_list.le = NULL;  in al_destroy()
48 	void *le = NULL;  in ntfs_load_attr_list()  local
56 		le = kvmalloc(al_aligned(lsize), GFP_KERNEL);  in ntfs_load_attr_list()
57 		if (!le) {  in ntfs_load_attr_list()
61 		memcpy(le, resident_data(attr), lsize);  in ntfs_load_attr_list()
94 		le = kvmalloc(al_aligned(lsize), GFP_KERNEL);  in ntfs_load_attr_list()
95 		if (!le) {  in ntfs_load_attr_list()
100 		err = ntfs_read_run_nb(ni->mi.sbi, &ni->attr_list.run, 0, le,  in ntfs_load_attr_list()
107 	ni->attr_list.le = le;  in ntfs_load_attr_list()
112 	ni->attr_list.le = le;  in ntfs_load_attr_list()
122  * * The next list le.
123  * * If @le is NULL then return the first le.
126 				     struct ATTR_LIST_ENTRY *le)  in al_enumerate()  argument
132 	if (!le) {  in al_enumerate()
133 		le = ni->attr_list.le;  in al_enumerate()
135 		sz = le16_to_cpu(le->size);  in al_enumerate()
137 			/* Impossible 'cause we should not return such le. */  in al_enumerate()
140 		le = Add2Ptr(le, sz);  in al_enumerate()
144 	off = PtrOffset(ni->attr_list.le, le);  in al_enumerate()
150 	sz = le16_to_cpu(le->size);  in al_enumerate()
152 	/* Check le for errors. */  in al_enumerate()
154 	    sz < le->name_off + le->name_len * sizeof(short)) {  in al_enumerate()
158 	return le;  in al_enumerate()
164  * Find the first le in the list which matches type, name and VCN.
169 				   struct ATTR_LIST_ENTRY *le,  in al_find_le()  argument
174 	return al_find_ex(ni, le, attr->type, attr_name(attr), attr->name_len,  in al_find_le()
181  * Find the first le in the list which matches type, name and VCN.
186 				   struct ATTR_LIST_ENTRY *le,  in al_find_ex()  argument
193 	while ((le = al_enumerate(ni, le))) {  in al_find_ex()
195 		int diff = le32_to_cpu(le->type) - type_in;  in al_find_ex()
204 		if (le->name_len != name_len)  in al_find_ex()
207 		le_vcn = le64_to_cpu(le->vcn);  in al_find_ex()
212 			diff = ntfs_cmp_names(le_name(le), name_len, name,  in al_find_ex()
223 			return le;  in al_find_ex()
226 			return le;  in al_find_ex()
231 		ret = le;  in al_find_ex()
247 	struct ATTR_LIST_ENTRY *le = NULL, *prev;  in al_find_le_to_insert()  local
251 	while ((le = al_enumerate(ni, prev = le))) {  in al_find_le_to_insert()
252 		int diff = le32_to_cpu(le->type) - type_in;  in al_find_le_to_insert()
258 			return le;  in al_find_le_to_insert()
260 		if (!le->vcn) {  in al_find_le_to_insert()
264 			diff = ntfs_cmp_names(le_name(le), le->name_len, name,  in al_find_le_to_insert()
271 				return le;  in al_find_le_to_insert()
274 		if (le64_to_cpu(le->vcn) >= vcn)  in al_find_le_to_insert()
275 			return le;  in al_find_le_to_insert()
278 	return prev ? Add2Ptr(prev, le16_to_cpu(prev->size)) : ni->attr_list.le;  in al_find_le_to_insert()
292 	struct ATTR_LIST_ENTRY *le;  in al_add_le()  local
300 	 * Compute the size of the new 'le'  in al_add_le()
308 	/* Scan forward to the point at which the new 'le' should be inserted. */  in al_add_le()
309 	le = al_find_le_to_insert(ni, type, name, name_len, svcn);  in al_add_le()
310 	off = PtrOffset(al->le, le);  in al_add_le()
318 		memcpy(ptr, al->le, off);  in al_add_le()
319 		memcpy(Add2Ptr(ptr, off + sz), le, old_size - off);  in al_add_le()
320 		le = Add2Ptr(ptr, off);  in al_add_le()
321 		kvfree(al->le);  in al_add_le()
322 		al->le = ptr;  in al_add_le()
324 		memmove(Add2Ptr(le, sz), le, old_size - off);  in al_add_le()
326 	*new_le = le;  in al_add_le()
330 	le->type = type;  in al_add_le()
331 	le->size = cpu_to_le16(sz);  in al_add_le()
332 	le->name_len = name_len;  in al_add_le()
333 	le->name_off = offsetof(struct ATTR_LIST_ENTRY, name);  in al_add_le()
334 	le->vcn = cpu_to_le64(svcn);  in al_add_le()
335 	le->ref = *ref;  in al_add_le()
336 	le->id = id;  in al_add_le()
337 	memcpy(le->name, name, sizeof(short) * name_len);  in al_add_le()
343 		memmove(le, Add2Ptr(le, sz), old_size - off);  in al_add_le()
351 		err = ntfs_sb_write_run(ni->mi.sbi, &al->run, 0, al->le,  in al_add_le()
362  * al_remove_le - Remove @le from attribute list.
364 bool al_remove_le(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le)  in al_remove_le()  argument
370 	if (!al_is_valid_le(ni, le))  in al_remove_le()
373 	/* Save on stack the size of 'le' */  in al_remove_le()
374 	size = le16_to_cpu(le->size);  in al_remove_le()
375 	off = PtrOffset(al->le, le);  in al_remove_le()
377 	memmove(le, Add2Ptr(le, size), al->size - (off + size));  in al_remove_le()
404 		memcpy(resident_data(attr), al->le, al->size);  in al_update()
406 		err = ntfs_sb_write_run(ni->mi.sbi, &al->run, 0, al->le,  in al_update()