put small subset of e2fsprogs back in the tree:
lsattr, chattr, fsck. Old e2fsprogs tree is in
e2fsprogs/old_e2fsprogs/*.
diff --git a/e2fsprogs/old_e2fsprogs/ext2fs/io_manager.c b/e2fsprogs/old_e2fsprogs/ext2fs/io_manager.c
new file mode 100644
index 0000000..b470386
--- /dev/null
+++ b/e2fsprogs/old_e2fsprogs/ext2fs/io_manager.c
@@ -0,0 +1,70 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * io_manager.c --- the I/O manager abstraction
+ */
+
+#include <stdio.h>
+#include <string.h>
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <time.h>
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#include "ext2_fs.h"
+#include "ext2fs.h"
+
+errcode_t io_channel_set_options(io_channel channel, const char *opts)
+{
+ errcode_t retval = 0;
+ char *next, *ptr, *options, *arg;
+
+ EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
+
+ if (!opts)
+ return 0;
+
+ if (!channel->manager->set_option)
+ return EXT2_ET_INVALID_ARGUMENT;
+
+ options = malloc(strlen(opts)+1);
+ if (!options)
+ return EXT2_ET_NO_MEMORY;
+ strcpy(options, opts);
+ ptr = options;
+
+ while (ptr && *ptr) {
+ next = strchr(ptr, '&');
+ if (next)
+ *next++ = 0;
+
+ arg = strchr(ptr, '=');
+ if (arg)
+ *arg++ = 0;
+
+ retval = (channel->manager->set_option)(channel, ptr, arg);
+ if (retval)
+ break;
+ ptr = next;
+ }
+ free(options);
+ return retval;
+}
+
+errcode_t io_channel_write_byte(io_channel channel, unsigned long offset,
+ int count, const void *data)
+{
+ EXT2_CHECK_MAGIC(channel, EXT2_ET_MAGIC_IO_CHANNEL);
+
+ if (channel->manager->write_byte)
+ return channel->manager->write_byte(channel, offset,
+ count, data);
+
+ return EXT2_ET_UNIMPLEMENTED;
+}