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thin: lvchange may change discards freely

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This commit is contained in:
Zdenek Kabelac 2012-12-02 16:30:45 +01:00
parent f0da2842cf
commit dde5a6c52b
1 changed files with 1 additions and 7 deletions
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8
tools/lvchange.c
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@ -111,13 +111,7 @@ static int lvchange_pool_update(struct cmd_context *cmd,
if (arg_count(cmd, discards_ARG)) { if (arg_count(cmd, discards_ARG)) {
discards = (thin_discards_t) arg_uint_value(cmd, discards_ARG, THIN_DISCARDS_IGNORE); discards = (thin_discards_t) arg_uint_value(cmd, discards_ARG, THIN_DISCARDS_IGNORE);
if (discards != first_seg(lv)->discards) { if (discards != first_seg(lv)->discards) {
if ((discards != THIN_DISCARDS_IGNORE) && if (((discards == THIN_DISCARDS_IGNORE) ||
(first_seg(lv)->chunk_size &
(first_seg(lv)->chunk_size - 1)))
log_error("Cannot change discards state for "
"logical volume \"%s\" "
"with non power of 2 chunk size.", lv->name);
else if (((discards == THIN_DISCARDS_IGNORE) ||
(first_seg(lv)->discards == THIN_DISCARDS_IGNORE)) && (first_seg(lv)->discards == THIN_DISCARDS_IGNORE)) &&
lv_is_active(lv)) lv_is_active(lv))
log_error("Cannot change discards state for active " log_error("Cannot change discards state for active "