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Message-ID: <524D92E8.1030704@nod.at> Date: Thu, 03 Oct 2013 17:53:12 +0200 From: Richard Weinberger <richard@....at> To: dedekind1@...il.com CC: richard.genoud@...il.com, linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/7] UBI: fix refill_wl_user_pool() Am 03.10.2013 17:27, schrieb Artem Bityutskiy: > On Thu, 2013-10-03 at 17:08 +0200, Richard Weinberger wrote: >> Am 03.10.2013 17:00, schrieb Artem Bityutskiy: >>> On Sat, 2013-09-28 at 15:55 +0200, Richard Weinberger wrote: >>>> If no free PEBs are available refill_wl_user_pool() must not >>>> return with -ENOSPC immediately. >>>> It has to block till produce_free_peb() produced a free PEB. >>>> >>>> Reported-and-Tested-by: Richard Genoud <richard.genoud@...il.com> >>>> Signed-off-by: Richard Weinberger <richard@....at> >>> >>> What is pool size, I wonder? >> >> Currently it's 25 (UBI_FM_WL_POOL_SIZE). >> If experience shows that 25 is too low/big we can change this constant. >> Maybe it's also worth making them configurable... > > I if it is a possible scenario that this function will not return until > 25 (or even 10) PEBs are erased? > Sure. It will try to gain up to 25 PEBs but return if it gets less. That's why a pool has a current and a max size. Thanks, //richard -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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