From: Askar Safin <safinaskar@gmail.com>
To: safinaskar@gmail.com
Cc: linux-btrfs@vger.kernel.org, wqu@suse.com
Subject: Re: [PATCH v2 0/3] btrfs: scrub: enhance freezing and signal handling
Date: Fri, 17 Oct 2025 16:03:31 +0300 [thread overview]
Message-ID: <20251017130331.4045-1-safinaskar@gmail.com> (raw)
In-Reply-To: <20251017093947.1170945-1-safinaskar@gmail.com>
I did some more testing. I found that when systemd freezes processes using
cgroup freezer, then:
- fatal_signal_pending(current) returns false
- freezing(current) returns false
- signal_pending(current) returns true
So, systemd cgroup freezer indeed looks very similar to signal.
--
Askar Safin
next prev parent reply other threads:[~2025-10-17 13:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-16 9:42 [PATCH v2 0/3] btrfs: scrub: enhance freezing and signal handling Qu Wenruo
2025-10-16 9:42 ` [PATCH v2 1/3] btrfs: scrub: add cancel/pause/removed bg checks for raid56 parity stripes Qu Wenruo
2025-10-16 9:42 ` [PATCH v2 2/3] btrfs: scrub: cancel the run if the process or fs is being frozen Qu Wenruo
2025-10-16 10:02 ` Filipe Manana
2025-10-16 9:42 ` [PATCH v2 3/3] btrfs: scrub: cancel the run if there is a pending signal Qu Wenruo
2025-10-17 9:47 ` Askar Safin
2025-10-17 10:34 ` Qu Wenruo
2025-10-17 9:39 ` [PATCH v2 0/3] btrfs: scrub: enhance freezing and signal handling Askar Safin
2025-10-17 13:03 ` Askar Safin [this message]
2025-10-18 4:16 ` Askar Safin
2025-10-18 4:26 ` Qu Wenruo
2025-10-18 6:43 ` Askar Safin
2025-10-18 7:14 ` Qu Wenruo
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