Disable normalization implicitly when setting "utf8only=off"

When a parent dataset has normalization set to any value other than
"none", and a file system is created with the property "utf8only=off",
implicitly also set "normalization=none" instead of overriding the
desire for a non-UTF8 enforcing file system.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Mike Swanson <mikeonthecomputer@gmail.com>
Closes #11892
Closes #12038
This commit is contained in:
Mike Swanson 2021-10-29 16:59:18 -07:00 committed by GitHub
parent 4d1a3ba6ed
commit 321c1b6f39
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2 changed files with 20 additions and 0 deletions

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@ -1562,6 +1562,9 @@ badlabel:
*
* If normalization was chosen, but rejecting non-UTF8 names
* was explicitly not chosen, it is an error.
*
* If utf8only was turned off, but the parent has normalization,
* turn off normalization.
*/
if (chosen_normal > 0 && chosen_utf < 0) {
if (nvlist_add_uint64(ret,
@ -1575,6 +1578,12 @@ badlabel:
zfs_prop_to_name(ZFS_PROP_UTF8ONLY));
(void) zfs_error(hdl, EZFS_BADPROP, errbuf);
goto error;
} else if (chosen_normal < 0 && chosen_utf == 0) {
if (nvlist_add_uint64(ret,
zfs_prop_to_name(ZFS_PROP_NORMALIZE), 0) != 0) {
(void) no_memory(hdl);
goto error;
}
}
return (ret);

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@ -58,4 +58,15 @@ for form in formC formD formKC formKD; do
destroy_testfs
done
for form in formC formD formKC formKD; do
create_testfs "-o normalization=$form"
log_must zfs create -o utf8only=off $TESTPOOL/$TESTFS/$TESTSUBFS
normalization=$(zfs get -H -o value normalization $TESTPOOL/$TESTFS/$TESTSUBFS)
if [[ $normalization != "none" ]]; then
log_fail "Turning off utf8only didn't set normalization to none"
fi
log_must zfs destroy $TESTPOOL/$TESTFS/$TESTSUBFS
destroy_testfs
done
log_pass "Can create FS with all supported normalization forms"