From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: Proxmox VE development discussion <pve-devel@lists.proxmox.com>,
Stoiko Ivanov <s.ivanov@proxmox.com>
Subject: [pve-devel] applied: [PATCH zfsonlinux] cherry-pick lock-inversion patch for zvol_open
Date: Tue, 11 Jan 2022 16:45:44 +0100 [thread overview]
Message-ID: <fda64e5a-263d-a62a-4829-07c39303f272@proxmox.com> (raw)
In-Reply-To: <20220111153936.229984-1-s.ivanov@proxmox.com>
On 11.01.22 16:39, Stoiko Ivanov wrote:
> the changes to zvol_open added to 2.1.2 (for coping with kernel
> changes in 5.13) seem to have introduced a lock order inversion [0].
>
> (noticed while reviewing the 2.0.6->2.0.7 changes (the patch was
> applied after 2.1.2 was already tagged)
>
> [0] https://github.com/openzfs/zfs/pull/12863
> Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
> ---
> did not reproduce the dead-lock myself (in my very limited tests)
> but given that our 2.1.2 packages (and kernel modules) have not seen
> too much testing in public yet - thought it makes sense to proactively
> pull this in
>
> quickly tested a kernel+userspace with this patch on a physical testhost
>
> .../0012-Fix-zvol_open-lock-inversion.patch | 212 ++++++++++++++++++
> debian/patches/series | 1 +
> 2 files changed, 213 insertions(+)
> create mode 100644 debian/patches/0012-Fix-zvol_open-lock-inversion.patch
>
>
applied, thanks!
prev parent reply other threads:[~2022-01-11 15:45 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-11 15:39 [pve-devel] " Stoiko Ivanov
2022-01-11 15:45 ` Thomas Lamprecht [this message]
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