xfs/libxfs/xfs_dir2_block.c

202 	struct xfs_dir2_data_unused	*dup = NULL;
216 			dup = (xfs_dir2_data_unused_t *)
229 		dup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp));
235 		if (be16_to_cpu(dup->freetag) == XFS_DIR2_DATA_FREE_TAG) {
236 			if (be16_to_cpu(dup->length) + (be32_to_cpu(btp->stale) - 1) *
238 				dup = NULL;
240 			dup = NULL;
242 			dup = (xfs_dir2_data_unused_t *)blp;
264 		dup = (xfs_dir2_data_unused_t *)
266 		if (dup != enddup) {
270 			if (be16_to_cpu(dup->length) < len)
271 				dup = NULL;
278 		if (be16_to_cpu(dup->length) < len + (uint)sizeof(*blp)) {
283 				dup = (xfs_dir2_data_unused_t *)
286 				dup = NULL;
291 	*dupp = dup;
362 	xfs_dir2_data_unused_t	*dup;		/* block unused entry */
402 	xfs_dir2_block_need_space(dp, hdr, btp, blp, &tagp, &dup,
410 		if (!dup)
418 	if (!dup) {
553 	dep = (xfs_dir2_data_entry_t *)dup;
564 	error = xfs_dir2_data_use_free(args, bp, dup,
565 			(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr),
933 	xfs_dir2_data_unused_t	*dup;		/* unused data entry */
1001 	dup = (xfs_dir2_data_unused_t *)((char *)hdr + be16_to_cpu(*tagp));
1005 	if (be16_to_cpu(dup->freetag) != XFS_DIR2_DATA_FREE_TAG ||
1006 	    be16_to_cpu(dup->length) < size)
1019 	error = xfs_dir2_data_use_free(args, dbp, dup,
1085 	xfs_dir2_data_unused_t	*dup;		/* unused entry pointer */
1144 	dup = bp->b_addr + offset;
1146 	error = xfs_dir2_data_use_free(args, bp, dup, args->geo->blksize - i,
1162 	error = xfs_dir2_data_use_free(args, bp, dup,
1163 			(xfs_dir2_data_aoff_t)((char *)dup - (char *)hdr),
1164 			be16_to_cpu(dup->length), &needlog, &needscan);
1223 			dup = bp->b_addr + offset;
1224 			dup->freetag = cpu_to_be16(XFS_DIR2_DATA_FREE_TAG);
1225 			dup->length = cpu_to_be16(newoffset - offset);
1226 			*xfs_dir2_data_unused_tag_p(dup) = cpu_to_be16(offset);
1227 			xfs_dir2_data_log_unused(args, bp, dup);
1230 					dup, &dummy);
1231 			offset += be16_to_cpu(dup->length);