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Code Issues Releases Activity

libbe(3): Set canmount properly when activating a new BE

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The previously activated BE should have canmount=noauto set on it upon
activation of the new BE, but we previously did not touch canmount on either
old or new BE.

PR:		233113
MFC after:	3 days
This commit is contained in:
Kyle Evans 2018-11-10 20:42:29 +00:00
parent 0e48e06807
commit 8d4ce3586f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=340334
1 changed files with 18 additions and 0 deletions
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18
lib/libbe/be.c
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@ -922,6 +922,21 @@ be_set_nextboot(libbe_handle_t *lbh, nvlist_t *config, uint64_t pool_guid,
return (0);
}
/*
* Deactivate old BE dataset; currently just sets canmount=noauto
*/
static int
be_deactivate(libbe_handle_t *lbh, const char *ds)
{
zfs_handle_t *zfs;
if ((zfs = zfs_open(lbh->lzh, ds, ZFS_TYPE_DATASET)) == NULL)
return (1);
if (zfs_prop_set(zfs, "canmount", "noauto") != 0)
return (1);
zfs_close(zfs);
return (0);
}
int
be_activate(libbe_handle_t *lbh, const char *bootenv, bool temporary)
@ -961,6 +976,9 @@ be_activate(libbe_handle_t *lbh, const char *bootenv, bool temporary)
return (be_set_nextboot(lbh, vdevs, pool_guid, buf));
} else {
if (be_deactivate(lbh, lbh->bootfs) != 0)
return (-1);
/* Obtain bootenv zpool */
err = zpool_set_prop(lbh->active_phandle, "bootfs", be_path);
if (err)