diff options
| author | phk <phk@FreeBSD.org> | 2004-02-02 19:49:41 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2004-02-02 19:49:41 +0000 |
| commit | f0fded48fd4d0ebb50a9c9c6a6b85dabbfa5d8b1 (patch) | |
| tree | 6c695d918ceae1097c76c48efefb916099a331f5 /sys | |
| parent | b9b026e5be8e8bb0625809735d3a9b37dda0fcc3 (diff) | |
| download | FreeBSD-src-f0fded48fd4d0ebb50a9c9c6a6b85dabbfa5d8b1.zip FreeBSD-src-f0fded48fd4d0ebb50a9c9c6a6b85dabbfa5d8b1.tar.gz | |
Allow a GEOM class to unload if it has no geoms or a method function to
get rid of them.
Prodded by: pjd
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/geom/geom_subr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/geom/geom_subr.c b/sys/geom/geom_subr.c index 0d6d24c..a56c0af 100644 --- a/sys/geom/geom_subr.c +++ b/sys/geom/geom_subr.c @@ -126,7 +126,12 @@ g_unload_class(void *arg, int flag) hh = arg; mp = hh->mp; g_trace(G_T_TOPOLOGY, "g_unload_class(%s)", mp->name); - if (mp->destroy_geom == NULL) { + + /* + * We allow unloading if we have no geoms, or a class + * method we can use to get rid of them. + */ + if (!LIST_EMPTY(&mp->geom) && mp->destroy_geom == NULL) { hh->error = EOPNOTSUPP; return; } |
