OpenZFS 6428 - set canmount=off on unmounted filesystem tries to unmount children

Authored by: Andriy Gapon <andriy.gapon@clusterhq.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Gordon Ross <gordon.w.ross@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Ported-by: George Melikov <mail@gmelikov.ru>

OpenZFS-issue: https://www.illumos.org/issues/6428
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/c079fa4
Closes #5628
This commit is contained in:
George Melikov 2017-01-23 22:13:15 +03:00 committed by Brian Behlendorf
parent ec923db25c
commit b87baa7ed2
1 changed files with 3 additions and 2 deletions

View File

@ -1628,8 +1628,9 @@ zfs_prop_set_list(zfs_handle_t *zhp, nvlist_t *props)
* its canmount property to 'on' or 'noauto'. We only use * its canmount property to 'on' or 'noauto'. We only use
* the changelist logic to unmount when setting canmount=off. * the changelist logic to unmount when setting canmount=off.
*/ */
if (!(prop == ZFS_PROP_CANMOUNT && if (prop != ZFS_PROP_CANMOUNT ||
fnvpair_value_uint64(elem) != ZFS_CANMOUNT_OFF)) { (fnvpair_value_uint64(elem) == ZFS_CANMOUNT_OFF &&
zfs_is_mounted(zhp, NULL))) {
cls[cl_idx] = changelist_gather(zhp, prop, 0, 0); cls[cl_idx] = changelist_gather(zhp, prop, 0, 0);
if (cls[cl_idx] == NULL) if (cls[cl_idx] == NULL)
goto error; goto error;