From: Martin Jansa <martin.jansa@gmail.com>
To: openembedded-core@lists.openembedded.org
Subject: Re: [PATCH] e2fsprogs: Package populate-extfs.sh and enable symlink install
Date: Mon, 20 Apr 2015 15:05:41 +0200 [thread overview]
Message-ID: <20150420130541.GD3686@jama> (raw)
In-Reply-To: <1428674774-29364-1-git-send-email-Martin.Jansa@gmail.com>
On Fri, Apr 10, 2015 at 04:06:14PM +0200, Martin Jansa wrote:
> * install populate-extfs.sh from contrib, be aware that in order
> to use it you need to set DEBUGFS shell variable, otherwise it will
> try to use debugfs from relative path which is almost always
> incorrect:
> CONTRIB_DIR=$(dirname $(readlink -f $0))
> DEBUGFS="$CONTRIB_DIR/../debugfs/debugfs"
>
> * use symlinks to install e2fsck, mke2fs, without this option we have:
> $ ls -lahi tmp-glibc/work/arm920tt-oe-linux-gnueabi/e2fsprogs/1.42.9-r0/image/sbin/
> ...
> 101982430 -rwxr-xr-x 5 bitbake bitbake 972K Apr 10 15:43 e2fsck
> 101982430 -rwxr-xr-x 5 bitbake bitbake 972K Apr 10 15:43 fsck.ext2
> 101982430 -rwxr-xr-x 5 bitbake bitbake 972K Apr 10 15:43 fsck.ext3
> 101982430 -rwxr-xr-x 5 bitbake bitbake 972K Apr 10 15:43 fsck.ext4
> 101982430 -rwxr-xr-x 5 bitbake bitbake 972K Apr 10 15:43 fsck.ext4dev
> ...
> 101982441 -rwxr-xr-x 5 bitbake bitbake 348K Apr 10 15:43 mke2fs
> 101982441 -rwxr-xr-x 5 bitbake bitbake 348K Apr 10 15:43 mkfs.ext2
> 101982441 -rwxr-xr-x 5 bitbake bitbake 348K Apr 10 15:43 mkfs.ext3
> 101982441 -rwxr-xr-x 5 bitbake bitbake 348K Apr 10 15:43 mkfs.ext4
> 101982441 -rwxr-xr-x 5 bitbake bitbake 348K Apr 10 15:43 mkfs.ext4dev
> ...
>
> which would be OK, because they are hadlinks, but after runstrip in
> do_package we get one stripped binary and 4 hardlinks to the original
> one:
>
> $ ls -lahi tmp-glibc/work/arm920tt-oe-linux-gnueabi/e2fsprogs/1.42.9-r0/packages-split/e2fsprogs-e2fsck/sbin
> 101982713 -rwxr-xr-x 8 bitbake bitbake 972K Apr 10 15:43 e2fsck
> 101982713 -rwxr-xr-x 8 bitbake bitbake 972K Apr 10 15:43 fsck.ext2
> 101982713 -rwxr-xr-x 8 bitbake bitbake 972K Apr 10 15:43 fsck.ext3
> 101982713 -rwxr-xr-x 8 bitbake bitbake 972K Apr 10 15:43 fsck.ext4
> 101983136 -rwxr-xr-x 2 bitbake bitbake 185K Apr 10 15:43 fsck.ext4dev
> $ ls -lahi tmp-glibc/work/arm920tt-oe-linux-gnueabi/e2fsprogs/1.42.9-r0/packages-split/e2fsprogs-mke2fs/sbin/
> 101982716 -rwxr-xr-x 8 bitbake bitbake 348K Apr 10 15:43 mke2fs
> 101982716 -rwxr-xr-x 8 bitbake bitbake 348K Apr 10 15:43 mkfs.ext2
> 101988266 -rwxr-xr-x 2 bitbake bitbake 72K Apr 10 15:43 mkfs.ext3
> 101982716 -rwxr-xr-x 8 bitbake bitbake 348K Apr 10 15:43 mkfs.ext4
> 101982716 -rwxr-xr-x 8 bitbake bitbake 348K Apr 10 15:43 mkfs.ext4dev
>
> That's super annoying for big files like this which are often include
> in small recovery images. Using --enable-symlink-install option results
> in one stripped binary and 4 symlinks:
>
> $ ls -lahi tmp-glibc/work/arm920tt-oe-linux-gnueabi/e2fsprogs/1.42.9-r0/packages-split/e2fsprogs-e2fsck/sbin/
> 102113806 -rwxr-xr-x 2 bitbake bitbake 185K Apr 10 15:50 e2fsck
> 102113813 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 fsck.ext2 -> e2fsck
> 102113814 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 fsck.ext3 -> e2fsck
> 102113812 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 fsck.ext4 -> e2fsck
> 102113815 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 fsck.ext4dev -> e2fsck
> $ ls -lahi tmp-glibc/work/arm920tt-oe-linux-gnueabi/e2fsprogs/1.42.9-r0/packages-split/e2fsprogs-mke2fs/sbin/
> 102113804 -rwxr-xr-x 2 bitbake bitbake 72K Apr 10 15:50 mke2fs
> 102113825 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 mkfs.ext2 -> mke2fs
> 102113826 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 mkfs.ext3 -> mke2fs
> 102113823 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 mkfs.ext4 -> mke2fs
> 102113824 lrwxrwxrwx 1 bitbake bitbake 6 Apr 10 15:50 mkfs.ext4dev -> mke2fs
>
> Saving cca 1,5MB.
Ping, this is needed also in fido and dizzy branches.
next prev parent reply other threads:[~2015-04-20 13:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-10 14:06 [PATCH] e2fsprogs: Package populate-extfs.sh and enable symlink install Martin Jansa
2015-04-10 15:01 ` Mark Hatle
2015-04-10 15:38 ` Martin Jansa
2015-04-10 16:10 ` Mark Hatle
2015-04-12 6:59 ` Khem Raj
2015-04-20 13:05 ` Martin Jansa [this message]
2015-04-21 6:24 ` Richard Purdie
2015-04-21 8:48 ` Martin Jansa
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