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revert r304520, set canmount=on is not supposed to mount the filesystem

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Not sure where I got the idea that it should.

See https://github.com/openzfs/openzfs/pull/218

Reported by:	mahrens
Pointyhat to:	avg
MFC after:	5 days
This commit is contained in:
Andriy Gapon 2016-11-22 11:44:30 +00:00
parent 753a007f0d
commit 9170c18bb9
1 changed files with 3 additions and 8 deletions
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11
cddl/contrib/opensolaris/lib/libzfs/common/libzfs_dataset.c
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@ -1615,17 +1615,12 @@ zfs_prop_set_list(zfs_handle_t *zhp, nvlist_t *props)
assert(cl_idx < nvl_len);
/*
* We don't want to unmount & remount the dataset when changing
* its canmount property. We only use the changelist logic to
* unmount when setting canmount=off for a mounted filesystem
* or when setting canmount=on for an unmounted filesystem.
* For all other changes to canmount property the filesystem
* remains the same.
* its canmount property to 'on' or 'noauto'. We only use
* the changelist logic to unmount when setting canmount=off.
*/
if (prop != ZFS_PROP_CANMOUNT ||
(fnvpair_value_uint64(elem) == ZFS_CANMOUNT_OFF &&
zfs_is_mounted(zhp, NULL)) ||
(fnvpair_value_uint64(elem) == ZFS_CANMOUNT_ON &&
!zfs_is_mounted(zhp, NULL))) {
zfs_is_mounted(zhp, NULL))) {
cls[cl_idx] = changelist_gather(zhp, prop, 0, 0);
if (cls[cl_idx] == NULL)
goto error;