From: David Woodhouse <dwmw2@infradead.org>
To: "??" <kevin@gv.com.tw>
Cc: linux-mtd@lists.infradead.org
Subject: Re: will jffs2 write to device when doing "read-only" operation like "ls"?
Date: Thu, 08 Aug 2002 08:17:46 +0100 [thread overview]
Message-ID: <27538.1028791066@redhat.com> (raw)
In-Reply-To: <000d01c23e95$4c679060$1b0448c0@gv.com.tw>
kevin@gv.com.tw said:
> will jffs2 write to device when doing "read-only" operation like "ls"?
> for example, if you do a "ls -lR" then a fs like ext2/minix will write
> stuff to block device (because of put_inode operation),thus might
> reduce life of nand flash.......
Normal file systems write because they have to update the 'atime' (access
time) field whenever an inode is read. Very few applications actually care
about a correct atime, and JFFS2 does not implement atime.
--
dwmw2
prev parent reply other threads:[~2002-08-08 7:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-08 4:37 will jffs2 write to device when doing "read-only" operation like "ls"? ??
2002-08-08 4:46 ` Allen Curtis
2002-08-08 7:17 ` David Woodhouse [this message]
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