Messages in this thread | | | From | Richard Weinberger <> | Date | Fri, 2 Nov 2018 10:28:49 +0100 | Subject | Re: [PATCH] Make JFFS2 endianness configurable |
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On Fri, Nov 2, 2018 at 9:46 AM Joakim Tjernlund <Joakim.Tjernlund@infinera.com> wrote: > > On Thu, 2018-11-01 at 15:56 -0700, Nikunj Kela wrote: > > CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. > > > > > > This patch allows the endianness of the JFSS2 filesystem to be > > specified by config options. > > > > It defaults to native-endian (the previously hard-coded option). > > > > Some architectures benefit from having a single known endianness > > of JFFS2 filesystem (for data, not executables) independent of the > > endianness of the processor (ARM processors can be switched to either > > endianness at run-time). > > I like this too. I have on several occasions needed to mount a JFFS2 BE on > my PC. This saves me from having to hack the src.
The feature makes sense, but I don't like it being a Kconfig option. As Al pointed out, it should be done like UFS does.
IOW, implement a wrapper function which selects the endianness automatically. That way you can force it as mount option or detect during mount what kind of JFFS2 you have.
-- Thanks, //richard
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