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Subject[PATCH] use cramfs as an initrd
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Now that Al Viro fixed cramfs, it works beautifully as an initrd
filesystem, so could we finally plumb it in?

Thanks,

James

===== init/do_mounts_rd.c 1.8 vs edited =====
--- 1.8/init/do_mounts_rd.c Sat Oct 18 10:27:22 2003
+++ edited/init/do_mounts_rd.c Mon Nov 3 15:09:51 2003
@@ -4,6 +4,7 @@
#include <linux/minix_fs.h>
#include <linux/ext2_fs.h>
#include <linux/romfs_fs.h>
+#include <linux/cramfs_fs.h>
#include <linux/initrd.h>
#include <linux/string.h>

@@ -41,6 +42,7 @@
* minix
* ext2
* romfs
+ * cramfs
* gzip
*/
static int __init
@@ -50,6 +52,7 @@
struct minix_super_block *minixsb;
struct ext2_super_block *ext2sb;
struct romfs_super_block *romfsb;
+ struct cramfs_super *cramfsb;
int nblocks = -1;
unsigned char *buf;

@@ -60,6 +63,7 @@
minixsb = (struct minix_super_block *) buf;
ext2sb = (struct ext2_super_block *) buf;
romfsb = (struct romfs_super_block *) buf;
+ cramfsb = (struct cramfs_super *) buf;
memset(buf, 0xe5, size);

/*
@@ -86,6 +90,14 @@
"RAMDISK: romfs filesystem found at block %d\n",
start_block);
nblocks = (ntohl(romfsb->size)+BLOCK_SIZE-1)>>BLOCK_SIZE_BITS;
+ goto done;
+ }
+
+ if (cramfsb->magic == CRAMFS_MAGIC) {
+ printk(KERN_NOTICE
+ "RAMDISK: cramfs filesystem found at block %d\n",
+ start_block);
+ nblocks = (cramfsb->size + BLOCK_SIZE - 1) >> BLOCK_SIZE_BITS;
goto done;
}

-
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