Messages in this thread | | | From | Miquel Raynal <> | Subject | Re: [PATCH v4 3/4] mtd: add ECC error accounting for each read request | Date | Wed, 21 Sep 2022 10:40:57 +0200 |
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On Wed, 2022-06-29 at 12:57:36 UTC, =?utf-8?b?TWljaGHFgiBLxJlwaWXFhA==?= wrote: > Extend struct mtd_req_stats with two new fields holding the number of > corrected bitflips and uncorrectable errors detected during a read > operation. This is a prerequisite for ultimately passing those counters > to user space, where they can be useful to applications for making > better-informed choices about moving data around. > > Unlike 'max_bitflips' (which is set - in a common code path - to the > return value of a function called while the MTD device's mutex is held), > these counters have to be maintained in each MTD driver which defines > the '_read_oob' callback because the statistics need to be calculated > while the MTD device's mutex is held. > > Suggested-by: Boris Brezillon <boris.brezillon@collabora.com> > Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git mtd/next, thanks.
Miquel
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