From: Sascha Hauer <s.hauer@pengutronix.de>
To: Barebox List <barebox@lists.infradead.org>,
Sascha Hauer <s.hauer@pengutronix.de>
Subject: Re: [PATCH] fs: Do not mntput() the root device parent
Date: Fri, 17 Apr 2026 10:03:31 +0200 [thread overview]
Message-ID: <177641301190.107522.14886044130174848836.b4-ty@pengutronix.de> (raw)
In-Reply-To: <20260415130854.3826102-1-s.hauer@pengutronix.de>
On Wed, 15 Apr 2026 15:08:54 +0200, Sascha Hauer wrote:
> The vfs rootfs ("/") parent points to itself, so do not call mntput() on
> the parent when it's the root device as the reference counter would
> become negative.
>
> This doesn't happen in normal configurations as we normally have a ramfs
> mounted at / and we leave fs_remove() early in that case. Some xload
> configurations have a FAT from SD/eMMC mounted at / though which leads
> to a "refcount for mount \"%s\" becomes negative\n" warning.
>
> [...]
Applied, thanks!
[1/1] fs: Do not mntput() the root device parent
https://git.pengutronix.de/cgit/barebox/commit/?id=e0bf33757b78 (link may not be stable)
Best regards,
--
Sascha Hauer <s.hauer@pengutronix.de>
prev parent reply other threads:[~2026-04-17 8:04 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-15 13:08 Sascha Hauer
2026-04-15 13:21 ` Ahmad Fatoum
2026-04-17 8:03 ` Sascha Hauer [this message]
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