17  * Return: True if @le is valid.
20 				  struct ATTR_LIST_ENTRY *le)  in al_is_valid_le()  argument
23 	if (!le || !ni->attr_list.le || !ni->attr_list.size)  in al_is_valid_le()
26 	return PtrOffset(ni->attr_list.le, le) + le16_to_cpu(le->size) <=  in al_is_valid_le()
34 	kvfree(ni->attr_list.le);  in al_destroy()
35 	ni->attr_list.le = NULL;  in al_destroy()
50 	void *le = NULL;  in ntfs_load_attr_list()  local
64 		le = kvmalloc(al_aligned(lsize), GFP_KERNEL);  in ntfs_load_attr_list()
65 		if (!le) {  in ntfs_load_attr_list()
69 		memcpy(le, resident_data(attr), lsize);  in ntfs_load_attr_list()
106 		le = kvmalloc(al_aligned(lsize), GFP_KERNEL);  in ntfs_load_attr_list()
107 		if (!le) {  in ntfs_load_attr_list()
112 		err = ntfs_read_run_nb(ni->mi.sbi, &ni->attr_list.run, 0, le,  in ntfs_load_attr_list()
119 	ni->attr_list.le = le;  in ntfs_load_attr_list()
124 	ni->attr_list.le = le;  in ntfs_load_attr_list()
134  * * The next list le.
135  * * If @le is NULL then return the first le.
138 				     struct ATTR_LIST_ENTRY *le)  in al_enumerate()  argument
144 	if (!le) {  in al_enumerate()
145 		le = ni->attr_list.le;  in al_enumerate()
147 		sz = le16_to_cpu(le->size);  in al_enumerate()
149 			/* Impossible 'cause we should not return such le. */  in al_enumerate()
152 		le = Add2Ptr(le, sz);  in al_enumerate()
156 	off = PtrOffset(ni->attr_list.le, le);  in al_enumerate()
162 	sz = le16_to_cpu(le->size);  in al_enumerate()
164 	/* Check le for errors. */  in al_enumerate()
166 	    sz < le->name_off + le->name_len * sizeof(short)) {  in al_enumerate()
170 	return le;  in al_enumerate()
176  * Find the first le in the list which matches type, name and VCN.
181 				   struct ATTR_LIST_ENTRY *le,  in al_find_le()  argument
186 	return al_find_ex(ni, le, attr->type, attr_name(attr), attr->name_len,  in al_find_le()
193  * Find the first le in the list which matches type, name and VCN.
198 				   struct ATTR_LIST_ENTRY *le,  in al_find_ex()  argument
206 	while ((le = al_enumerate(ni, le))) {  in al_find_ex()
208 		int diff = le32_to_cpu(le->type) - type_in;  in al_find_ex()
217 		if (le->name_len != name_len)  in al_find_ex()
220 		le_vcn = le64_to_cpu(le->vcn);  in al_find_ex()
225 			diff = ntfs_cmp_names(le_name(le), name_len, name,  in al_find_ex()
236 			return le;  in al_find_ex()
239 			return le;  in al_find_ex()
244 		ret = le;  in al_find_ex()
260 	struct ATTR_LIST_ENTRY *le = NULL, *prev;  in al_find_le_to_insert()  local
265 	while ((le = al_enumerate(ni, prev = le))) {  in al_find_le_to_insert()
266 		int diff = le32_to_cpu(le->type) - type_in;  in al_find_le_to_insert()
272 			return le;  in al_find_le_to_insert()
274 		if (!le->vcn) {  in al_find_le_to_insert()
278 			diff = ntfs_cmp_names(le_name(le), le->name_len, name,  in al_find_le_to_insert()
285 				return le;  in al_find_le_to_insert()
288 		if (le64_to_cpu(le->vcn) >= vcn)  in al_find_le_to_insert()
289 			return le;  in al_find_le_to_insert()
292 	return prev ? Add2Ptr(prev, le16_to_cpu(prev->size)) : ni->attr_list.le;  in al_find_le_to_insert()
306 	struct ATTR_LIST_ENTRY *le;  in al_add_le()  local
315 	 * Compute the size of the new 'le'  in al_add_le()
323 	/* Scan forward to the point at which the new 'le' should be inserted. */  in al_add_le()
324 	le = al_find_le_to_insert(ni, type, name, name_len, svcn);  in al_add_le()
325 	off = PtrOffset(al->le, le);  in al_add_le()
333 		memcpy(ptr, al->le, off);  in al_add_le()
334 		memcpy(Add2Ptr(ptr, off + sz), le, old_size - off);  in al_add_le()
335 		le = Add2Ptr(ptr, off);  in al_add_le()
336 		kvfree(al->le);  in al_add_le()
337 		al->le = ptr;  in al_add_le()
339 		memmove(Add2Ptr(le, sz), le, old_size - off);  in al_add_le()
341 	*new_le = le;  in al_add_le()
345 	le->type = type;  in al_add_le()
346 	le->size = cpu_to_le16(sz);  in al_add_le()
347 	le->name_len = name_len;  in al_add_le()
348 	le->name_off = offsetof(struct ATTR_LIST_ENTRY, name);  in al_add_le()
349 	le->vcn = cpu_to_le64(svcn);  in al_add_le()
350 	le->ref = *ref;  in al_add_le()
351 	le->id = id;  in al_add_le()
352 	memcpy(le->name, name, sizeof(short) * name_len);  in al_add_le()
358 		memmove(le, Add2Ptr(le, sz), old_size - off);  in al_add_le()
366 		err = ntfs_sb_write_run(ni->mi.sbi, &al->run, 0, al->le,  in al_add_le()
377  * al_remove_le - Remove @le from attribute list.
379 bool al_remove_le(struct ntfs_inode *ni, struct ATTR_LIST_ENTRY *le)  in al_remove_le()  argument
387 	if (!al_is_valid_le(ni, le))  in al_remove_le()
390 	/* Save on stack the size of 'le' */  in al_remove_le()
391 	size = le16_to_cpu(le->size);  in al_remove_le()
392 	off = PtrOffset(al->le, le);  in al_remove_le()
394 	memmove(le, Add2Ptr(le, size), al->size - (off + size));  in al_remove_le()
424 		memcpy(resident_data(attr), al->le, al->size);  in al_update()
426 		err = ntfs_sb_write_run(ni->mi.sbi, &al->run, 0, al->le,  in al_update()