[PATCH] Fix hanging close for /dev/mtd

[Joakim Tjernlund]

On Wed, 2007-06-13 at 06:44 -0500, Josh Boyer wrote:
> On Wed, 2007-06-13 at 11:53 +0200, Joakim Tjernlund wrote:
> > Figured I should send this on its own.
> > 
> > Stracing a process using /dev/mtd shows that
> > it sometimes hangs for a long time when pdflush is erasing
> > sectors. /dev/mtd* close method calls the mtd->sync method
> > which can hang for a long time(minutes).
> > 
> > Futher, the sync method "syncs" all flash chips. It should
> > only sync the chips that a /dev/mtd* spans.
> > Also, the mtdchar/mtdblock drivers does not need to
> > call sync for readonly mappings.
> 
> So were you going to submit a separate patch for those issues?
> 
> josh

Wow, someone is reading my mails :)

Just did for mtdchar, the others are a bit more complex
so I won't bother with them.

 Jocke