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Message-Id: <1248706563.4618.95.camel@jorg-desktop>
Date: Mon, 27 Jul 2009 17:56:03 +0300
From: Jörg Schummer <ext-jorg.2.schummer@...ia.com>
To: ext OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: Re: [PATCH take 2][RFC] fat: Save FAT root directory timestamps to
volume label
Hello again,
just in case you (or perhaps somebody else) have a minute to assist me..
On Mon, 2009-07-27 at 13:47 +0200, ext OGAWA Hirofumi wrote:
> BTW, the patch has several bugs. fat_get_label_entry() doesn't check
> IS_FREE(), is it right?
Not 100% sure if it's needed in a consistent fs, but I guess it
shouldn't do any harm, so I added it.
> fat_create_label_entry() doesn't initialize all
> timestamp in the case of msdos.
Corrected.
> spin_lock() usage is wrong.
>>From the code, I'm not totally sure then what inode_hash_lock is
supposed to protect in fat_write_inode. Probably it should prevent that
the dir entry of an inode is being moved around to another i_pos while
it's being changed?
But in the pre-patch version of fat_write_inode, shouldn't then
mark_buffer_dirty(bh) be called when the lock is still held?
Sorry for the newbie-questions, thanks for any help.
Jörg
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