Illumos 4757, 4913

4757 ZFS embedded-data block pointers ("zero block compression")
4913 zfs release should not be subject to space checks

Reviewed by: Adam Leventhal <ahl@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/4757
  https://www.illumos.org/issues/4913
  https://github.com/illumos/illumos-gate/commit/5d7b4d4

Porting notes:

For compatibility with the fastpath code the zio_done() function
needed to be updated.  Because embedded-data block pointers do
not require DVAs to be allocated the associated vdevs will not
be marked and therefore should not be unmarked.

Ported by: Tim Chase <tim@chase2k.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2544
This commit is contained in:
Matthew Ahrens
2014-06-05 13:19:08 -08:00
committed by Brian Behlendorf
parent faf0f58c69
commit 9b67f60560
46 changed files with 1195 additions and 258 deletions
+13 -4
View File
@@ -258,9 +258,9 @@ get_usage(zfs_help_t idx)
case HELP_ROLLBACK:
return (gettext("\trollback [-rRf] <snapshot>\n"));
case HELP_SEND:
return (gettext("\tsend [-DnPpRrv] [-[iI] snapshot] "
return (gettext("\tsend [-DnPpRrve] [-[iI] snapshot] "
"<snapshot>\n"
"\tsend [-i snapshot|bookmark] "
"\tsend [-e] [-i snapshot|bookmark] "
"<filesystem|volume|snapshot>\n"));
case HELP_SET:
return (gettext("\tset <property=value> "
@@ -3338,6 +3338,8 @@ rollback_check_dependent(zfs_handle_t *zhp, void *data)
zfs_close(zhp);
return (0);
}
/*
* Report any snapshots more recent than the one specified. Used when '-r' is
* not specified. We reuse this same callback for the snapshot dependents - if
@@ -3677,7 +3679,7 @@ zfs_do_send(int argc, char **argv)
boolean_t extraverbose = B_FALSE;
/* check options */
while ((c = getopt(argc, argv, ":i:I:RDpvnP")) != -1) {
while ((c = getopt(argc, argv, ":i:I:RDpvnPe")) != -1) {
switch (c) {
case 'i':
if (fromname)
@@ -3712,6 +3714,9 @@ zfs_do_send(int argc, char **argv)
case 'n':
flags.dryrun = B_TRUE;
break;
case 'e':
flags.embed_data = B_TRUE;
break;
case ':':
(void) fprintf(stderr, gettext("missing argument for "
"'%c' option\n"), optopt);
@@ -3750,6 +3755,7 @@ zfs_do_send(int argc, char **argv)
if (strchr(argv[0], '@') == NULL ||
(fromname && strchr(fromname, '#') != NULL)) {
char frombuf[ZFS_MAXNAMELEN];
enum lzc_send_flags lzc_flags = 0;
if (flags.replicate || flags.doall || flags.props ||
flags.dedup || flags.dryrun || flags.verbose ||
@@ -3764,6 +3770,9 @@ zfs_do_send(int argc, char **argv)
if (zhp == NULL)
return (1);
if (flags.embed_data)
lzc_flags |= LZC_SEND_FLAG_EMBED_DATA;
if (fromname != NULL &&
(fromname[0] == '#' || fromname[0] == '@')) {
/*
@@ -3777,7 +3786,7 @@ zfs_do_send(int argc, char **argv)
(void) strlcat(frombuf, fromname, sizeof (frombuf));
fromname = frombuf;
}
err = zfs_send_one(zhp, fromname, STDOUT_FILENO);
err = zfs_send_one(zhp, fromname, STDOUT_FILENO, lzc_flags);
zfs_close(zhp);
return (err != 0);
}