diff options
author | Allan Jude <allanjude@FreeBSD.org> | 2023-02-18 01:44:34 +0000 |
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committer | Allan Jude <allanjude@FreeBSD.org> | 2023-02-21 22:47:21 +0000 |
commit | 426ed00525409d084e97dc44397722aff2cc0bb3 (patch) | |
tree | d7f01ba76510ae64d2a1ceaa920d55f8e3944b7c | |
parent | a6fa27eb5267bfaceb626d90ead84b4d9a4f5655 (diff) | |
download | src-426ed00525409d084e97dc44397722aff2cc0bb3.tar.gz src-426ed00525409d084e97dc44397722aff2cc0bb3.zip |
Fix per-jail zfs.mount_snapshot setting
When jail.conf set the nopersist flag during startup, it was
incorrectly destroying the per-jail ZFS settings.
PR: 260160
Reported by: imp (previous version), mm (upstream), freqlabs (upstream)
MFC after: immediately
Sponsored by: Modirum MDPay
Sponsored by: Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D38662
(cherry picked from commit 8b04c1cbfc1cb71a1ce53b3a7855f1d45866fcfb)
-rw-r--r-- | sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c index 85449ebb9d97..6ffd36885655 100644 --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vfsops.c @@ -2525,7 +2525,9 @@ zfs_jailparam_set(void *obj, void *data) mount_snapshot = -1; else jsys = JAIL_SYS_NEW; - if (jsys == JAIL_SYS_NEW) { + switch (jsys) { + case JAIL_SYS_NEW: + { /* "zfs=new" or "zfs.*": the prison gets its own ZFS info. */ struct zfs_jailparam *zjp; @@ -2543,12 +2545,22 @@ zfs_jailparam_set(void *obj, void *data) if (mount_snapshot != -1) zjp->mount_snapshot = mount_snapshot; mtx_unlock(&pr->pr_mtx); - } else { + break; + } + case JAIL_SYS_INHERIT: /* "zfs=inherit": inherit the parent's ZFS info. */ mtx_lock(&pr->pr_mtx); osd_jail_del(pr, zfs_jailparam_slot); mtx_unlock(&pr->pr_mtx); + break; + case -1: + /* + * If the setting being changed is not ZFS related + * then do nothing. + */ + break; } + return (0); } |