Re: Patch?: initial ramdisks did not work in 2.5.28-29

[Adam J. Richter]

On Mon, 29 Jul 2002 00:51:56 +0100, Russell King wrote:
>On Sun, Jul 28, 2002 at 04:42:20PM -0700, Adam J. Richter wrote:
>> 	Initial ramdisks do not work in linux-2.5.2{8,9}, because

>Correct.
[...]
>Al has been working on the problem.  To permanently fix it so it doesn't
>break each time a change to do_open() happens.
[...]
>My temporary hack around the problem was to use rd_length[unit] since
>that's already in bytes.
[...]

	Thanks for the quick response.  Your solution is simpler.

	Although some bigger change may be in the works, would anyone
object to my submitting the following patch (your version of the fix)
to Linus in the meantime?  I am cc'ing this message to Al Viro.

Adam J. Richter     __     ______________   575 Oroville Road
[e-mail]     \ /                  Milpitas, California 95035
[phone]         | g g d r a s i l   United States of America
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--- linux-2.5.29/drivers/block/rd.c	2002-07-26 19:58:39.000000000 -0700
+++ linux/drivers/block/rd.c	2002-07-28 16:59:05.000000000 -0700
@@ -379,6 +404,7 @@
 		rd_bdev[unit]->bd_openers++;
 		rd_bdev[unit]->bd_block_size = rd_blocksize;
 		rd_bdev[unit]->bd_inode->i_mapping->a_ops = &ramdisk_aops;
+		rd_bdev[unit]->bd_inode->i_size = rd_length[unit];
 		rd_bdev[unit]->bd_queue = &blk_dev[MAJOR_NR].request_queue;
 	}