24 				int *pos, int *offset, struct buffer_head **bh,
27 	int loffset = *offset;
34 	ad = (uint8_t *)(*bh)->b_data + *offset;
35 	*offset += ad_size;
43 	if (*offset == dir->i_sb->s_blocksize) {
51 	} else if (*offset > dir->i_sb->s_blocksize) {
67 		*offset = ad_size - remainder;
79 					 sector_t *offset)  in udf_fileident_read()  argument
107 		int lextoffset = epos->offset;  in udf_fileident_read()
114 		block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);  in udf_fileident_read()
116 		(*offset)++;  in udf_fileident_read()
118 		if ((*offset << blocksize_bits) >= *elen)  in udf_fileident_read()
119 			*offset = 0;  in udf_fileident_read()
121 			epos->offset = lextoffset;  in udf_fileident_read()
129 		if (!(*offset & ((16 >> (blocksize_bits - 9)) - 1))) {  in udf_fileident_read()
131 			if (i + *offset > (*elen >> blocksize_bits))  in udf_fileident_read()
132 				i = (*elen >> blocksize_bits)-*offset;  in udf_fileident_read()
135 							  *offset + i);  in udf_fileident_read()
166 		int lextoffset = epos->offset;  in udf_fileident_read()
172 		block = udf_get_lb_pblock(dir->i_sb, *eloc, *offset);  in udf_fileident_read()
174 		(*offset)++;  in udf_fileident_read()
176 		if ((*offset << dir->i_sb->s_blocksize_bits) >= *elen)  in udf_fileident_read()
177 			*offset = 0;  in udf_fileident_read()
179 			epos->offset = lextoffset;  in udf_fileident_read()
210 struct fileIdentDesc *udf_get_fileident(void *buffer, int bufsize, int *offset)  in udf_get_fileident()  argument
217 	if ((!buffer) || (!offset)) {  in udf_get_fileident()
219 			  offset);  in udf_get_fileident()
225 	if ((*offset > 0) && (*offset < bufsize))  in udf_get_fileident()
226 		ptr += *offset;  in udf_get_fileident()
232 			  *offset, (unsigned long)sizeof(struct fileIdentDesc),  in udf_get_fileident()
236 	if ((*offset + sizeof(struct fileIdentDesc)) > bufsize)  in udf_get_fileident()
246 	*offset = *offset + lengthThisIdent;  in udf_get_fileident()
252 static extent_ad *udf_get_fileextent(void *buffer, int bufsize, int *offset)
258 	if ((!buffer) || (!offset)) {
274 	if ((*offset > 0) && (*offset < le32_to_cpu(fe->lengthAllocDescs)))
275 		ptr += *offset;
279 	*offset = *offset + sizeof(extent_ad);
284 short_ad *udf_get_fileshortad(uint8_t *ptr, int maxoffset, uint32_t *offset,  in udf_get_fileshortad()  argument
289 	if ((!ptr) || (!offset)) {  in udf_get_fileshortad()
294 	if ((*offset + sizeof(short_ad)) > maxoffset)  in udf_get_fileshortad()
303 		*offset += sizeof(short_ad);  in udf_get_fileshortad()
307 long_ad *udf_get_filelongad(uint8_t *ptr, int maxoffset, uint32_t *offset, int inc)  in udf_get_filelongad()  argument
311 	if ((!ptr) || (!offset)) {  in udf_get_filelongad()
316 	if ((*offset + sizeof(long_ad)) > maxoffset)  in udf_get_filelongad()
325 		*offset += sizeof(long_ad);  in udf_get_filelongad()