git: 889ecd8fd178 - releng/14.0 - zfs: cherry-pick commit from master
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Date: Tue, 05 Dec 2023 18:27:40 UTC
The branch releng/14.0 has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=889ecd8fd178c4779e10e208f4845c9bb7f4d616 commit 889ecd8fd178c4779e10e208f4845c9bb7f4d616 Author: rmacklem <64620010+rmacklem@users.noreply.github.com> AuthorDate: 2023-11-28 00:31:03 +0000 Commit: Mark Johnston <markj@FreeBSD.org> CommitDate: 2023-12-04 15:45:56 +0000 zfs: cherry-pick commit from master #15563 522414da3b FreeBSD: Fix ZFS so that snapshots under .zfs/snapshot are NFS visible Obtained from: OpenZFS Approved by: so Security: FreeBSD-EN-23:22.vfs --- sys/contrib/openzfs/include/os/freebsd/spl/sys/vfs.h | 2 +- sys/contrib/openzfs/module/os/freebsd/spl/spl_vfs.c | 9 ++++++++- sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c | 3 ++- 3 files changed, 11 insertions(+), 3 deletions(-) diff --git a/sys/contrib/openzfs/include/os/freebsd/spl/sys/vfs.h b/sys/contrib/openzfs/include/os/freebsd/spl/sys/vfs.h index 7f163fcfdb1e..f2196da56bc8 100644 --- a/sys/contrib/openzfs/include/os/freebsd/spl/sys/vfs.h +++ b/sys/contrib/openzfs/include/os/freebsd/spl/sys/vfs.h @@ -101,7 +101,7 @@ void vfs_setmntopt(vfs_t *vfsp, const char *name, const char *arg, void vfs_clearmntopt(vfs_t *vfsp, const char *name); int vfs_optionisset(const vfs_t *vfsp, const char *opt, char **argp); int mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype, - char *fspath, char *fspec, int fsflags); + char *fspath, char *fspec, int fsflags, vfs_t *parent_vfsp); typedef uint64_t vfs_feature_t; diff --git a/sys/contrib/openzfs/module/os/freebsd/spl/spl_vfs.c b/sys/contrib/openzfs/module/os/freebsd/spl/spl_vfs.c index a07098afc5b4..3f33547216eb 100644 --- a/sys/contrib/openzfs/module/os/freebsd/spl/spl_vfs.c +++ b/sys/contrib/openzfs/module/os/freebsd/spl/spl_vfs.c @@ -120,7 +120,7 @@ vfs_optionisset(const vfs_t *vfsp, const char *opt, char **argp) int mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype, char *fspath, - char *fspec, int fsflags) + char *fspec, int fsflags, vfs_t *parent_vfsp) { struct vfsconf *vfsp; struct mount *mp; @@ -220,6 +220,13 @@ mount_snapshot(kthread_t *td, vnode_t **vpp, const char *fstype, char *fspath, mp->mnt_opt = mp->mnt_optnew; (void) VFS_STATFS(mp, &mp->mnt_stat); +#ifdef VFS_SUPPORTS_EXJAIL_CLONE + /* + * Clone the mnt_exjail credentials of the parent, as required. + */ + vfs_exjail_clone(parent_vfsp, mp); +#endif + /* * Prevent external consumers of mount options from reading * mnt_optnew. diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c index 420d887b661e..79909415178a 100644 --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c @@ -1026,7 +1026,8 @@ zfsctl_snapdir_lookup(struct vop_lookup_args *ap) "%s/" ZFS_CTLDIR_NAME "/snapshot/%s", dvp->v_vfsp->mnt_stat.f_mntonname, name); - err = mount_snapshot(curthread, vpp, "zfs", mountpoint, fullname, 0); + err = mount_snapshot(curthread, vpp, "zfs", mountpoint, fullname, 0, + dvp->v_vfsp); kmem_free(mountpoint, mountpoint_len); if (err == 0) { /*