[Bug 238814] geom: topology lock being dropped in dumpconf of gate, raid, & raid3

From: <bugzilla-noreply_at_freebsd.org>
Date: Sat, 19 Oct 2024 12:57:04 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=238814

--- Comment #8 from commit-hook@FreeBSD.org ---
A commit in branch stable/14 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=23b44ad101ca2381186aa565b6c04a978c02a35e

commit 23b44ad101ca2381186aa565b6c04a978c02a35e
Author:     Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2024-10-04 14:53:57 +0000
Commit:     Mark Johnston <markj@FreeBSD.org>
CommitDate: 2024-10-18 12:27:13 +0000

    ggate: Avoid dropping the GEOM topology lock in dumpconf

    In general it's not safe to drop the topology lock in these routines, as
    GEOM assumes that the mesh will be consistent during traversal.
    However, there's no reason we can't hold the topology lock across calls
    to g_gate_release().  (Note that g_gate_hold() can be called with the
    topology lock held.)

    PR:             238814
    MFC after:      2 weeks

    (cherry picked from commit b37b2543a23b44c78f6d78823dcfcedba46570db)

 sys/geom/gate/g_gate.c | 3 ---
 1 file changed, 3 deletions(-)

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