[OE-core] [PATCH 0/4] replace genext2fs with populate-extfs.sh
Robert Yang
liezhi.yang at windriver.com
Wed May 8 07:48:19 UTC 2013
On 05/08/2013 03:39 PM, Darren Hart wrote:
> Always discuss them upstream first. If they are accepted upstream, THEN,
> we can roll them into oe-core if we don't want to bring in everything
> that landed before them too. But always discuss changes to a project to
> the project before doing so in oe-core.
>
Thanks, got it, I will send the following 2 to ext mailing list if you are
fine with them.
[PATCH 1/4] e2fsprogs: the max length of debugfs argument is too short
[PATCH 2/4] e2fsprogs: let debugfs do sparse copy
// Robert
> Thanks,
>
> Darren
>
> On 05/07/2013 06:49 PM, Robert Yang wrote:
>>
>> Hi Darren,
>>
>> No, I haven't sent them to the ext mailing list, can we merge them in
>> oe-core and then back port to the ext community ? Or I should send them
>> to the ext mailing list first ?
>>
>> // Robert
>>
>> On 05/08/2013 06:48 AM, Darren Hart wrote:
>>> Have these been reviewed on the ext mailing list already?
>>>
>>> --
>>> Darren
>>>
>>> On 05/07/2013 02:48 AM, Robert Yang wrote:
>>>> * The benefits:
>>>> - Really support ext4
>>>> - Support the sparse file (the sparse file became into the common file before)
>>>> - Have a uniform code for ext2/3/4 generation
>>>> - Remove the depends on genext2fs-native
>>>>
>>>> * Impact
>>>> - Build time:
>>>> a) If we build fresh core-image-sato, there is nearly no impact.
>>>> b) If we do the image generation, which means:
>>>> $ bitbake core-image-sato
>>>> $ bitbake core-image-sato -ccleansstate
>>>> $ bitbake core-image-sato
>>>> About 50 extra seconds are needed, here is my test result:
>>>> Before the patches: 4m25s
>>>> After the patches: 5m17s
>>>> This is because the genext2fs is much faster than the
>>>> populate-extfs.sh, we will replace this script by the mke2fs when it
>>>> supports create the filesystem from a initial directory.
>>>>
>>>> - Disk space (take core-image-sato as an example)
>>>> a) The image file size is the same as before (529M)
>>>> b) The disk usage is a little different: (du -sh)
>>>> before now
>>>> ext2: 364M 388M
>>>> ext3: 381M 404M
>>>> ext4: 380M 387M
>>>>
>>>> We may need to adjust the IMAGE_OVERHEAD_FACTOR from 1.3 to 1.4.
>>>>
>>>> I have done some simple runtime testing on core-image-sato and
>>>> core-image-minimal, they worked well.
>>>>
>>>> // Robert
>>>>
>>>> The following changes since commit 3472c1f7ab409cd91c1d4782d9e00880b84e3ae8:
>>>>
>>>> grub-efi-native: Cleanup whitespace (2013-05-03 16:37:05 +0100)
>>>>
>>>> are available in the git repository at:
>>>>
>>>> git://git.pokylinux.org/poky-contrib robert/ext4
>>>> http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=robert/ext4
>>>>
>>>> Robert Yang (4):
>>>> e2fsprogs: the max length of debugfs argument is too short
>>>> e2fsprogs: let debugfs do sparse copy
>>>> e2fsprogs: add populate-extfs.sh
>>>> image_types.bbclass: replace genext2fs with populate-extfs.sh
>>>>
>>>> meta/classes/image_types.bbclass | 46 ++++----
>>>> .../e2fsprogs-1.42.7/debugfs-too-short.patch | 28 +++++
>>>> .../e2fsprogs/e2fsprogs-1.42.7/populate-extfs.sh | 93 ++++++++++++++++
>>>> .../e2fsprogs/e2fsprogs-1.42.7/sparse_copy.patch | 114 ++++++++++++++++++++
>>>> .../recipes-devtools/e2fsprogs/e2fsprogs_1.42.7.bb | 4 +
>>>> 5 files changed, 257 insertions(+), 28 deletions(-)
>>>> create mode 100644 meta/recipes-devtools/e2fsprogs/e2fsprogs-1.42.7/debugfs-too-short.patch
>>>> create mode 100644 meta/recipes-devtools/e2fsprogs/e2fsprogs-1.42.7/populate-extfs.sh
>>>> create mode 100644 meta/recipes-devtools/e2fsprogs/e2fsprogs-1.42.7/sparse_copy.patch
>>>>
>>>
>
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