linux-kernel - Re: [PATCH 34/38] vfs: syscall: Add fsinfo() to query filesystem information [ver #10]

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Message-ID: <21746.1532735504@warthog.procyon.org.uk>
Date:   Sat, 28 Jul 2018 00:51:44 +0100
From:   David Howells <dhowells@...hat.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     dhowells@...hat.com, Jann Horn <jannh@...gle.com>,
        Al Viro <viro@...iv.linux.org.uk>,
        Linux API <linux-api@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        linux-fsdevel@...r.kernel.org,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 34/38] vfs: syscall: Add fsinfo() to query filesystem information [ver #10]

David Howells <dhowells@...hat.com> wrote:

> One thing I'm confused about is that fat has both a codepage and a charset and
> I'm not sure of the difference.

In fact, it's not clear that the codepage is actually used.

	warthog>git grep '[.>]codepage'
	fs/fat/inode.c: opts->codepage = fat_default_codepage;
	fs/fat/inode.c:                 opts->codepage = option;
	fs/fat/inode.c: sprintf(buf, "cp%d", sbi->options.codepage);

David