lkml.org 
[lkml]   [2013]   [Jul]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/5] initmpfs v2: use tmpfs instead of ramfs for rootfs
On Tue, 16 Jul 2013 08:31:13 -0700 (PDT) Rob Landley <rob@landley.net> wrote:

> Use tmpfs for rootfs when CONFIG_TMPFS=y and there's no root=.
> Specify rootfstype=ramfs to get the old initramfs behavior.
>
> The previous initramfs code provided a fairly crappy root filesystem:
> didn't let you --bind mount directories out of it, reported zero
> size/usage so it didn't show up in "df" and couldn't run things like
> rpm that query available space before proceeding, would fill up all
> available memory and panic the system if you wrote too much to it...

The df problem and the mount --bind thing are ramfs issues, are they
not? Can we fix them? If so, that's a less intrusive change, and we
also get a fixed ramfs.

> Using tmpfs instead provides a much better root filesystem.
>
> Changes from last time: use test_and_set_bit() for "once" logic.


\
 
 \ /
  Last update: 2013-07-18 13:21    [W:0.117 / U:0.456 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site