From: Martin Egholm Nielsen <martin@egholm-nielsen.dk>
To: linux-mtd@lists.infradead.org
Subject: Re: jffs2_get_inode_nodes(): Data CRC failed on NAND device
Date: Tue, 15 Feb 2005 20:22:44 +0100 [thread overview]
Message-ID: <cuti4g$g6h$1@sea.gmane.org> (raw)
In-Reply-To: <1108425786.22597.6.camel@baythorne.infradead.org>
Hi,
>>>>JFFS2 on NAND flash uses a page buffer. It is flushed to the flash when
>>>>it is full, or when you do fsync, sync or umount.
>>>Does that mean that I have to call fsync each time after fclose a file ?
> Yes. It's precisely the same as with other file systems. If you write to
> a file, close it and then lose power immediately, your data may be lost.
> It's not guaranteed to be on the medium until you sync.
Well, as someone told me the other day on the IRC-channel, the
writebuffer is flushed automatically if the buffer has not been accessed
for X (2?) seconds (controlled by the VFS, right?)...
Correct me if I'm wrong...
// Martin
next prev parent reply other threads:[~2005-02-15 19:38 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-14 17:08 jffs2_get_inode_nodes(): Data CRC failed on NAND device Frédéric Janot
2005-02-14 17:24 ` Estelle HAMMACHE
2005-02-14 17:58 ` Frédéric Janot
2005-02-14 18:04 ` Thomas Gleixner
2005-02-15 0:03 ` David Woodhouse
2005-02-15 19:22 ` Martin Egholm Nielsen [this message]
2005-02-15 19:46 ` Josh Boyer
2005-02-15 20:03 ` Josh Boyer
2005-02-16 7:38 ` Martin Egholm Nielsen
2005-02-14 18:08 ` Josh Boyer
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