Re: [PATCH 0/9] fs: add change date to ls output

On Tue, May 19, 2026 at 09:25:37AM +0200, Heinrich Schuchardt wrote:
> On 5/18/26 20:15, Tom Rini wrote:
> > On Mon, May 18, 2026 at 07:57:19AM +0200, Heinrich Schuchardt wrote:
> > 
> > > The ls command currently only displays the size and name of files and
> > > directories.
> > > 
> > > * Add the change date to the output on FAT and ext2/3/4.
> > > * Use the actual date when updating the change date in ext2/3/4
> > >    file-systems.
> > 
> > What's the motivation for this change, and how much of a size impact
> > does this have in general?
> > 
> 
> For qemu_arm64_defconfig fs/fs.o shows a growth of 260 bytes in .text and
> .data sections.

OK, can you please use something like
https://source.denx.de/u-boot/u-boot-extras/-/blob/master/contrib/trini/u-boot-size-test.sh?ref_type=heads
for the whole board?

> Change times let users immediately spot which files were modified most
> recently (kernel images, device trees).
> 
> If a device stops booting, seeing a file’s change date helps determine
> whether a recent change could be the cause.

Yes, that is useful and more user friendly than hashing a file. But I do
worry about global size growth.

-- 
Tom

-----BEGIN PGP SIGNATURE-----

iHUEABYKAB0WIQTzzqh0PWDgGS+bTHor4qD1Cr/kCgUCagxr5QAKCRAr4qD1Cr/k
CvOTAQDvzng/P1d539wOJvnf7WoIM+Lt/y+SFSuc7GiqtRGbDwEAjqkyjbWh6gxj
FQKb6J9Iq46vS4YM40o0+NBfCeydcQI=
=rC3d
-----END PGP SIGNATURE-----