Patchwork [0/2] read-only rootfs support

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Submitter Qi.Chen@windriver.com
Date Dec. 24, 2012, 7:54 a.m.
Message ID <cover.1356335387.git.Qi.Chen@windriver.com>
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Permalink /patch/41611/
State New
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Pull-request

git://git.pokylinux.org/poky-contrib ChenQi/readonly-rootfs

Comments

Qi.Chen@windriver.com - Dec. 24, 2012, 7:54 a.m.
From: Chen Qi <Qi.Chen@windriver.com>

Add read-only rootfs support to sysvinit startup system.
The main changes are:
1) Let rootfs_xxx.bbclass support 'read-only-rootfs' image feature.
   If IMAGE_FEATURES contains 'read-only-rootfs', then the populate-volatile.sh
   script is run at rootfs time to set up basic directories and files.
2) Improve the populate-volatile.sh init script.
3) Add two config files specific to read-only-rootfs image, which are to be used
   by the populate-volatile.sh script.
4) Automatically adjust the mount options in fstab when 'read-only-rootfs' is in
   IMAGE_FEATURES.

The following changes since commit 90c0eb29f0b41e4ac2d3d17ebad7295c2ebdc02a:

  rootfs_rpm.bbclass: remove debug code (2012-12-19 21:43:55 +0000)

are available in the git repository at:

  git://git.pokylinux.org/poky-contrib ChenQi/readonly-rootfs
  http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=ChenQi/readonly-rootfs

Chen Qi (2):
  initscripts: support read-only rootfs
  rootfs_xxx.bbclass: support read-only-rootfs image feature

 meta/classes/rootfs_deb.bbclass                    |   14 +
 meta/classes/rootfs_ipk.bbclass                    |   15 ++
 meta/classes/rootfs_rpm.bbclass                    |   20 +-
 meta/recipes-core/base-files/base-files_3.0.14.bb  |    8 +-
 .../initscripts/initscripts-1.0/bootmisc.sh        |    9 +-
 .../initscripts-1.0/populate-volatile.sh           |  285 ++++++++++----------
 .../initscripts/initscripts-1.0/volatiles          |    1 +
 .../initscripts-1.0/volatiles-readonly-minimal     |   23 ++
 .../initscripts-1.0/volatiles-readonly-sato        |   30 +++
 meta/recipes-core/initscripts/initscripts_1.0.bb   |   15 +-
 10 files changed, 265 insertions(+), 155 deletions(-)
 create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/volatiles-readonly-minimal
 create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/volatiles-readonly-sato
Martin Jansa - Dec. 25, 2012, 8:19 a.m.
On Tue, Dec 25, 2012 at 10:55:03AM +0800, Qi.Chen@windriver.com wrote:
> From: Chen Qi <Qi.Chen@windriver.com>
> 
> Add read-only rootfs support to sysvinit startup system.
> The main changes are:
> 1) Let rootfs_xxx.bbclass support 'read-only-rootfs' image feature.
>    If IMAGE_FEATURES contains 'read-only-rootfs', then the populate-volatile.sh
>    script is run at rootfs time to set up basic directories and files.
> 2) Improve the populate-volatile.sh init script.
> 3) Add two config files specific to read-only-rootfs image, which are to be used
>    by the populate-volatile.sh script.
> 4) Automatically adjust the mount options in fstab when 'read-only-rootfs' is in
>    IMAGE_FEATURES.
> 
> Version 2 fixes a problem version one has, that is, if we build an image without
> 'read-only-rootfs' image feature after we built one that has this feature, the
> mount options in fstab is wrong. 

initscripts recipe still have that issue.

Cheers,

> The following changes since commit 90c0eb29f0b41e4ac2d3d17ebad7295c2ebdc02a:
> 
>   rootfs_rpm.bbclass: remove debug code (2012-12-19 21:43:55 +0000)
> 
> are available in the git repository at:
> 
>   git://git.pokylinux.org/poky-contrib ChenQi/readonly-rootfs
>   http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=ChenQi/readonly-rootfs
> 
> Chen Qi (2):
>   initscripts: support read-only rootfs
>   rootfs_xxx.bbclass: support read-only-rootfs image feature
> 
>  meta/classes/rootfs_deb.bbclass                    |   14 +
>  meta/classes/rootfs_ipk.bbclass                    |   15 ++
>  meta/classes/rootfs_rpm.bbclass                    |   20 +-
>  meta/recipes-core/base-files/base-files_3.0.14.bb  |    8 +-
>  .../initscripts/initscripts-1.0/bootmisc.sh        |    9 +-
>  .../initscripts-1.0/populate-volatile.sh           |  285 ++++++++++----------
>  .../initscripts/initscripts-1.0/volatiles          |    1 +
>  .../initscripts-1.0/volatiles-readonly-minimal     |   23 ++
>  .../initscripts-1.0/volatiles-readonly-sato        |   30 +++
>  meta/recipes-core/initscripts/initscripts_1.0.bb   |   15 +-
>  10 files changed, 265 insertions(+), 155 deletions(-)
>  create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/volatiles-readonly-minimal
>  create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/volatiles-readonly-sato
> 
> -- 
> 1.7.9.5
> 
> 
> _______________________________________________
> Openembedded-core mailing list
> Openembedded-core@lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core
Qi.Chen@windriver.com - Dec. 25, 2012, 9:23 a.m.
On 12/25/2012 04:19 PM, Martin Jansa wrote:
> On Tue, Dec 25, 2012 at 10:55:03AM +0800, Qi.Chen@windriver.com wrote:
>> From: Chen Qi<Qi.Chen@windriver.com>
>>
>> Add read-only rootfs support to sysvinit startup system.
>> The main changes are:
>> 1) Let rootfs_xxx.bbclass support 'read-only-rootfs' image feature.
>>     If IMAGE_FEATURES contains 'read-only-rootfs', then the populate-volatile.sh
>>     script is run at rootfs time to set up basic directories and files.
>> 2) Improve the populate-volatile.sh init script.
>> 3) Add two config files specific to read-only-rootfs image, which are to be used
>>     by the populate-volatile.sh script.
>> 4) Automatically adjust the mount options in fstab when 'read-only-rootfs' is in
>>     IMAGE_FEATURES.
>>
>> Version 2 fixes a problem version one has, that is, if we build an image without
>> 'read-only-rootfs' image feature after we built one that has this feature, the
>> mount options in fstab is wrong.
> initscripts recipe still have that issue.
>
> Cheers,
Yes, you're right.
If we build an image without 'read-only-rootfs' image feature after we 
built one that has, all symbolic links used for an read-only-rootfs 
image should be removed and corresponding directories should be created.
Thanks a lot for your review and reply. I'll fix this problem and send 
out a V3.

Best Regards,
Chen Qi

>> The following changes since commit 90c0eb29f0b41e4ac2d3d17ebad7295c2ebdc02a:
>>
>>    rootfs_rpm.bbclass: remove debug code (2012-12-19 21:43:55 +0000)
>>
>> are available in the git repository at:
>>
>>    git://git.pokylinux.org/poky-contrib ChenQi/readonly-rootfs
>>    http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=ChenQi/readonly-rootfs
>>
>> Chen Qi (2):
>>    initscripts: support read-only rootfs
>>    rootfs_xxx.bbclass: support read-only-rootfs image feature
>>
>>   meta/classes/rootfs_deb.bbclass                    |   14 +
>>   meta/classes/rootfs_ipk.bbclass                    |   15 ++
>>   meta/classes/rootfs_rpm.bbclass                    |   20 +-
>>   meta/recipes-core/base-files/base-files_3.0.14.bb  |    8 +-
>>   .../initscripts/initscripts-1.0/bootmisc.sh        |    9 +-
>>   .../initscripts-1.0/populate-volatile.sh           |  285 ++++++++++----------
>>   .../initscripts/initscripts-1.0/volatiles          |    1 +
>>   .../initscripts-1.0/volatiles-readonly-minimal     |   23 ++
>>   .../initscripts-1.0/volatiles-readonly-sato        |   30 +++
>>   meta/recipes-core/initscripts/initscripts_1.0.bb   |   15 +-
>>   10 files changed, 265 insertions(+), 155 deletions(-)
>>   create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/volatiles-readonly-minimal
>>   create mode 100644 meta/recipes-core/initscripts/initscripts-1.0/volatiles-readonly-sato
>>
>> -- 
>> 1.7.9.5
>>
>>
>> _______________________________________________
>> Openembedded-core mailing list
>> Openembedded-core@lists.openembedded.org
>> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-core