From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 08/10] commands: sync: add new command to flush cached writes
Date: Tue, 30 Jul 2024 12:08:21 +0200 [thread overview]
Message-ID: <Zqi7lZJu_IxPuK1v@pengutronix.de> (raw)
In-Reply-To: <20240730071929.2016537-9-a.fatoum@pengutronix.de>
On Tue, Jul 30, 2024 at 09:19:27AM +0200, Ahmad Fatoum wrote:
> In barebox, the dirty block cache for a given device is flushed when
> closing all file descriptors to it, a cached block needs to be evicted
> due to pressure or when barebox shuts down.
>
> There are valid uses to do it explicitly however:
>
> - When benchmarking write speed to a block device
> - Before forced resets, because a regular reset would run shutdown
> code that should be omitted.
>
> Add a sync command that does this. Unlike the userspace variant, we
> don't both to implement a argument-less sync that's global. Users are
s/both/bother/
Sascha
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next prev parent reply other threads:[~2024-07-30 10:08 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-30 7:19 [PATCH 00/10] mmc: add SD/eMMC erase support Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 01/10] fs: give erase() a new erase_type parameter Ahmad Fatoum
2024-07-30 8:31 ` Sascha Hauer
2024-07-30 8:32 ` Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 02/10] block: factor out chunk_flush helper Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 03/10] block: allow block devices to implement the cdev erase operation Ahmad Fatoum
2024-07-30 8:55 ` Sascha Hauer
2024-07-30 11:10 ` Ahmad Fatoum
2024-07-30 11:21 ` Sascha Hauer
2024-07-30 7:19 ` [PATCH 04/10] mci: turn bool members into bitfield in struct mci Ahmad Fatoum
2024-07-30 9:06 ` Sascha Hauer
2024-07-30 11:10 ` Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 05/10] mci: describe more command structure in mci.h Ahmad Fatoum
2024-07-30 9:25 ` Yann Sionneau
2024-07-30 11:07 ` Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 06/10] mci: core: use CONFIG_MCI_WRITE, not CONFIG_BLOCK_WRITE Ahmad Fatoum
2024-07-30 9:18 ` Sascha Hauer
2024-07-30 11:08 ` Ahmad Fatoum
2024-07-31 7:19 ` Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 07/10] mci: add support for discarding write blocks Ahmad Fatoum
2024-07-30 9:23 ` Yann Sionneau
2024-07-30 11:14 ` Ahmad Fatoum
2024-07-30 10:05 ` Sascha Hauer
2024-07-30 11:17 ` Ahmad Fatoum
2024-07-30 7:19 ` [PATCH 08/10] commands: sync: add new command to flush cached writes Ahmad Fatoum
2024-07-30 10:08 ` Sascha Hauer [this message]
2024-07-30 7:19 ` [PATCH 09/10] mci: core: remove reference to SD Card from common mci_card_probe Ahmad Fatoum
2024-07-30 10:09 ` Sascha Hauer
2024-07-30 7:19 ` [PATCH 10/10] commands: blkstats: add command to print block device statistics Ahmad Fatoum
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