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From: "Namjae Jeon" <namjae.jeon@samsung.com>
To: "'Sungjong Seo'" <sj1557.seo@samsung.com>,
	"'Tetsuhiro Kohada'" <kohada.t2@gmail.com>
Cc: <kohada.tetsuhiro@dc.mitsubishielectric.co.jp>,
	<mori.takahiro@ab.mitsubishielectric.co.jp>,
	<motai.hirotaka@aj.mitsubishielectric.co.jp>,
	<linux-fsdevel@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v3] exfat: remove EXFAT_SB_DIRTY flag
Date: Wed, 17 Jun 2020 17:41:26 +0900	[thread overview]
Message-ID: <001f01d64483$16ce1f20$446a5d60$@samsung.com> (raw)
In-Reply-To: <414101d64477$ccb661f0$662325d0$@samsung.com>

> > remove EXFAT_SB_DIRTY flag and related codes.
> >
> > This flag is set/reset in exfat_put_super()/exfat_sync_fs() to avoid
> > sync_blockdev().
> > However ...
> > - exfat_put_super():
> > Before calling this, the VFS has already called sync_filesystem(), so
> > sync is never performed here.
> > - exfat_sync_fs():
> > After calling this, the VFS calls sync_blockdev(), so, it is
> > meaningless to check EXFAT_SB_DIRTY or to bypass sync_blockdev() here.
> > Not only that, but in some cases can't clear VOL_DIRTY.
> > ex:
> > VOL_DIRTY is set when rmdir starts, but when non-empty-dir is
> > detected, return error without setting EXFAT_SB_DIRTY.
> > If performe 'sync' in this state, VOL_DIRTY will not be cleared.
> >
> 
> Since this patch does not resolve 'VOL_DIRTY in ENOTEMPTY' problem you mentioned, it would be better
> to remove the description above for that and to make new patch.
> 
> > Remove the EXFAT_SB_DIRTY check to ensure synchronization.
> > And, remove the code related to the flag.
> >
> > Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
> 
> Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Applied. Thanks!


  reply	other threads:[~2020-06-17  8:41 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20200616021816epcas1p44b0833f14bbad0e25cc0efb27fb2ebd3@epcas1p4.samsung.com>
2020-06-16  2:18 ` Tetsuhiro Kohada
2020-06-16 23:55   ` Namjae Jeon
2020-06-17  7:20   ` Sungjong Seo
2020-06-17  8:41     ` Namjae Jeon [this message]
2020-06-18  8:36     ` Tetsuhiro Kohada
2020-06-18 13:11       ` Sungjong Seo
2020-06-19  4:22         ` Tetsuhiro Kohada
2020-07-10  7:36         ` Tetsuhiro Kohada
2020-08-08 17:47           ` Sungjong Seo
2020-08-12  9:19             ` Tetsuhiro Kohada
2020-08-13  4:03               ` Namjae Jeon
2020-08-18  1:20                 ` Tetsuhiro Kohada
2020-06-16  6:16 Markus Elfring
2020-06-16 14:45 ` Matthew Wilcox

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