From: David Sterba <dsterba@suse.cz>
To: Qu Wenruo <wqu@suse.com>
Cc: linux-btrfs@vger.kernel.org,
Christoph Anton Mitterer <calestyo@scientia.org>
Subject: Re: [PATCH] btrfs-progs: docs: add a note for clear_cache mount option
Date: Tue, 17 Mar 2026 17:24:41 +0100 [thread overview]
Message-ID: <20260317162441.GX5735@twin.jikos.cz> (raw)
In-Reply-To: <bac89ac52147344ab6244beef8c0085552a3aacb.1770438921.git.wqu@suse.com>
On Sat, Feb 07, 2026 at 03:05:22PM +1030, Qu Wenruo wrote:
> There is a report that "clear_cache,space_cache=v2" mount option didn't
> rebuild the free space tree.
>
> It turns out that the reporter was relying on the fstab to do the mount,
> and the fstab has specified "ro" mount option. This prevents btrfs to
> enter btrfs_start_pre_rw_mount() thus no free space tree rebuilding.
>
> Add such note to avoid future confusion.
>
> Reported-by: Christoph Anton Mitterer <calestyo@scientia.org>
> Link: https://lore.kernel.org/linux-btrfs/f094ddbb70cabd2e329615269519b1844f786629.camel@scientia.org/
> Signed-off-by: Qu Wenruo <wqu@suse.com>
Added to devel, thanks.
prev parent reply other threads:[~2026-03-17 16:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-07 4:35 [PATCH] btrfs-progs: docs: add a note for clear_cache mount option Qu Wenruo
2026-02-06 0:27 ` [PATCH] btrfs-progs: tests: output the directory path for missing custom script Qu Wenruo
2026-02-07 4:35 ` Qu Wenruo
2026-03-17 16:46 ` David Sterba
2026-03-17 16:24 ` David Sterba [this message]
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