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Illumos 4370, 4371

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4370 avoid transmitting holes during zfs send
4371 DMU code clean up

Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
Approved by: Garrett D'Amore <garrett@damore.org>a

References:
  https://www.illumos.org/issues/4370
  https://www.illumos.org/issues/4371
  https://github.com/illumos/illumos-gate/commit/43466aa

Ported by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2529
This commit is contained in:
Max Grossman
2013-12-09 10:37:51 -08:00
committed by Brian Behlendorf
parent fa86b5dbb6
commit b0bc7a84d9
32 changed files with 690 additions and 385 deletions
Download Patch File Download Diff File Expand all files Collapse all files
cmd/zhack/zhack.c
+10 -4
View File
@@ -277,6 +277,9 @@ zhack_do_feature_stat(int argc, char **argv)
dump_obj(os, spa->spa_feat_for_read_obj, "for_read");
dump_obj(os, spa->spa_feat_for_write_obj, "for_write");
dump_obj(os, spa->spa_feat_desc_obj, "descriptions");
if (spa_feature_is_active(spa, SPA_FEATURE_ENABLED_TXG)) {
dump_obj(os, spa->spa_feat_enabled_txg_obj, "enabled_txg");
}
dump_mos(spa);
spa_close(spa, FTAG);
@@ -313,7 +316,9 @@ zhack_do_feature_enable(int argc, char **argv)
feature.fi_uname = "zhack";
feature.fi_mos = B_FALSE;
feature.fi_can_readonly = B_FALSE;
feature.fi_activate_on_enable = B_FALSE;
feature.fi_depends = nodeps;
feature.fi_feature = SPA_FEATURE_NONE;
optind = 1;
while ((c = getopt(argc, argv, "rmd:")) != -1) {
@@ -371,7 +376,7 @@ feature_incr_sync(void *arg, dmu_tx_t *tx)
zfeature_info_t *feature = arg;
uint64_t refcount;
VERIFY0(feature_get_refcount(spa, feature, &refcount));
VERIFY0(feature_get_refcount_from_disk(spa, feature, &refcount));
feature_sync(spa, feature, refcount + 1, tx);
spa_history_log_internal(spa, "zhack feature incr", tx,
"name=%s", feature->fi_guid);
@@ -384,7 +389,7 @@ feature_decr_sync(void *arg, dmu_tx_t *tx)
zfeature_info_t *feature = arg;
uint64_t refcount;
VERIFY0(feature_get_refcount(spa, feature, &refcount));
VERIFY0(feature_get_refcount_from_disk(spa, feature, &refcount));
feature_sync(spa, feature, refcount - 1, tx);
spa_history_log_internal(spa, "zhack feature decr", tx,
"name=%s", feature->fi_guid);
@@ -411,6 +416,7 @@ zhack_do_feature_ref(int argc, char **argv)
feature.fi_mos = B_FALSE;
feature.fi_desc = NULL;
feature.fi_depends = nodeps;
feature.fi_feature = SPA_FEATURE_NONE;
optind = 1;
while ((c = getopt(argc, argv, "md")) != -1) {
@@ -459,8 +465,8 @@ zhack_do_feature_ref(int argc, char **argv)
if (decr) {
uint64_t count;
if (feature_get_refcount(spa, &feature, &count) == 0 &&
count != 0) {
if (feature_get_refcount_from_disk(spa, &feature,
&count) == 0 && count != 0) {
fatal(spa, FTAG, "feature refcount already 0: %s",
feature.fi_guid);
}