Date: Sun, 28 Jul 2024 19:07:02 GMT From: Kirk McKusick <mckusick@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 21161df3e032 - stable/13 - Do not allow snapshots on UFS filesystems using gjournal. Message-ID: <202407281907.46SJ72tu015621@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mckusick: URL: https://cgit.FreeBSD.org/src/commit/?id=21161df3e032252e7533a183acbc5374157b66f1 commit 21161df3e032252e7533a183acbc5374157b66f1 Author: Kirk McKusick <mckusick@FreeBSD.org> AuthorDate: 2024-07-25 06:09:58 +0000 Commit: Kirk McKusick <mckusick@FreeBSD.org> CommitDate: 2024-07-28 19:06:52 +0000 Do not allow snapshots on UFS filesystems using gjournal. PR: 280216 (cherry picked from commit cab41e0dd31d184bdb0d14403ca71a0f6c9a5e83) --- sys/ufs/ffs/ffs_snapshot.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/sys/ufs/ffs/ffs_snapshot.c b/sys/ufs/ffs/ffs_snapshot.c index d4280391f48c..bc4dbdf52e5b 100644 --- a/sys/ufs/ffs/ffs_snapshot.c +++ b/sys/ufs/ffs/ffs_snapshot.c @@ -224,6 +224,15 @@ ffs_snapshot(struct mount *mp, char *snapfile) ump = VFSTOUFS(mp); fs = ump->um_fs; sn = NULL; + /* + * At the moment, filesystems using gjournal cannot support + * taking snapshots. + */ + if ((mp->mnt_flag & MNT_GJOURNAL) != 0) { + vfs_mount_error(mp, "%s: Snapshots are not yet supported when " + "using gjournal", fs->fs_fsmnt); + return (EOPNOTSUPP); + } MNT_ILOCK(mp); flag = mp->mnt_flag; MNT_IUNLOCK(mp);
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