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Long opts for zdb
This change introduces long options for zdb. It updates the usage message as well to include the long options. Reviewed-by: Matthew Ahrens <mahrens@delphix.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: Manoj Joseph <manoj.joseph@delphix.com> Closes #12818
This commit is contained in:
Manoj Joseph
+123
-58
@@ -39,6 +39,7 @@
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#include <unistd.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <getopt.h>
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#include <sys/zfs_context.h>
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#include <sys/spa.h>
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#include <sys/spa_impl.h>
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@@ -820,65 +821,87 @@ usage(void)
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" z ZAPs\n"
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" - Negate effect of next flag\n\n");
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(void) fprintf(stderr, " Options to control amount of output:\n");
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(void) fprintf(stderr, " -b block statistics\n");
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(void) fprintf(stderr, " -c checksum all metadata (twice for "
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"all data) blocks\n");
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(void) fprintf(stderr, " -C config (or cachefile if alone)\n");
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(void) fprintf(stderr, " -d dataset(s)\n");
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(void) fprintf(stderr, " -D dedup statistics\n");
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(void) fprintf(stderr, " -E decode and display block from an "
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"embedded block pointer\n");
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(void) fprintf(stderr, " -h pool history\n");
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(void) fprintf(stderr, " -i intent logs\n");
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(void) fprintf(stderr, " -l read label contents\n");
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(void) fprintf(stderr, " -k examine the checkpointed state "
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"of the pool\n");
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(void) fprintf(stderr, " -L disable leak tracking (do not "
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"load spacemaps)\n");
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(void) fprintf(stderr, " -m metaslabs\n");
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(void) fprintf(stderr, " -M metaslab groups\n");
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(void) fprintf(stderr, " -O perform object lookups by path\n");
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(void) fprintf(stderr, " -r copy an object by path to file\n");
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(void) fprintf(stderr, " -R read and display block from a "
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"device\n");
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(void) fprintf(stderr, " -s report stats on zdb's I/O\n");
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(void) fprintf(stderr, " -S simulate dedup to measure effect\n");
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(void) fprintf(stderr, " -v verbose (applies to all "
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"others)\n");
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(void) fprintf(stderr, " -y perform livelist and metaslab "
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"validation on any livelists being deleted\n\n");
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(void) fprintf(stderr, " -b --block-stats "
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"block statistics\n");
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(void) fprintf(stderr, " -c --checksum "
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"checksum all metadata (twice for all data) blocks\n");
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(void) fprintf(stderr, " -C --config "
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"config (or cachefile if alone)\n");
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(void) fprintf(stderr, " -d --datasets "
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"dataset(s)\n");
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(void) fprintf(stderr, " -D --dedup-stats "
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"dedup statistics\n");
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(void) fprintf(stderr, " -E --embedded-block-pointer=INTEGER\n"
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" decode and display block "
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"from an embedded block pointer\n");
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(void) fprintf(stderr, " -h --history "
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"pool history\n");
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(void) fprintf(stderr, " -i --intent-logs "
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"intent logs\n");
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(void) fprintf(stderr, " -l --label "
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"read label contents\n");
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(void) fprintf(stderr, " -k --checkpointed-state "
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"examine the checkpointed state of the pool\n");
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(void) fprintf(stderr, " -L --disable-leak-tracking "
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"disable leak tracking (do not load spacemaps)\n");
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(void) fprintf(stderr, " -m --metaslabs "
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"metaslabs\n");
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(void) fprintf(stderr, " -M --metaslab-groups "
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"metaslab groups\n");
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(void) fprintf(stderr, " -O --object-lookups "
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"perform object lookups by path\n");
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(void) fprintf(stderr, " -r --copy-object "
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"copy an object by path to file\n");
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(void) fprintf(stderr, " -R --read-block "
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"read and display block from a device\n");
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(void) fprintf(stderr, " -s --io-stats "
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"report stats on zdb's I/O\n");
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(void) fprintf(stderr, " -S --simulate-dedup "
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"simulate dedup to measure effect\n");
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(void) fprintf(stderr, " -v --verbose "
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"verbose (applies to all others)\n");
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(void) fprintf(stderr, " -y --livelist "
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"perform livelist and metaslab validation on any livelists being "
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"deleted\n\n");
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(void) fprintf(stderr, " Below options are intended for use "
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"with other options:\n");
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(void) fprintf(stderr, " -A ignore assertions (-A), enable "
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"panic recovery (-AA) or both (-AAA)\n");
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(void) fprintf(stderr, " -e pool is exported/destroyed/"
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"has altroot/not in a cachefile\n");
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(void) fprintf(stderr, " -F attempt automatic rewind within "
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"safe range of transaction groups\n");
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(void) fprintf(stderr, " -G dump zfs_dbgmsg buffer before "
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"exiting\n");
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(void) fprintf(stderr, " -I <number of inflight I/Os> -- "
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"specify the maximum number of\n "
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"checksumming I/Os [default is 200]\n");
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(void) fprintf(stderr, " -o <variable>=<value> set global "
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"variable to an unsigned 32-bit integer\n");
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(void) fprintf(stderr, " -p <path> -- use one or more with "
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"-e to specify path to vdev dir\n");
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(void) fprintf(stderr, " -P print numbers in parseable form\n");
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(void) fprintf(stderr, " -q don't print label contents\n");
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(void) fprintf(stderr, " -t <txg> -- highest txg to use when "
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"searching for uberblocks\n");
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(void) fprintf(stderr, " -u uberblock\n");
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(void) fprintf(stderr, " -U <cachefile_path> -- use alternate "
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"cachefile\n");
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(void) fprintf(stderr, " -V do verbatim import\n");
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(void) fprintf(stderr, " -x <dumpdir> -- "
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(void) fprintf(stderr, " -A --ignore-assertions "
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"ignore assertions (-A), enable panic recovery (-AA) or both "
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"(-AAA)\n");
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(void) fprintf(stderr, " -e --exported "
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"pool is exported/destroyed/has altroot/not in a cachefile\n");
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(void) fprintf(stderr, " -F --automatic-rewind "
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"attempt automatic rewind within safe range of transaction "
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"groups\n");
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(void) fprintf(stderr, " -G --dump-debug-msg "
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"dump zfs_dbgmsg buffer before exiting\n");
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(void) fprintf(stderr, " -I --inflight=INTEGER "
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"specify the maximum number of checksumming I/Os "
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"[default is 200]\n");
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(void) fprintf(stderr, " -o --option=\"OPTION=INTEGER\" "
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"set global variable to an unsigned 32-bit integer\n");
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(void) fprintf(stderr, " -p --path==PATH "
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"use one or more with -e to specify path to vdev dir\n");
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(void) fprintf(stderr, " -P --parseable "
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"print numbers in parseable form\n");
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(void) fprintf(stderr, " -q --skip-label "
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"don't print label contents\n");
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(void) fprintf(stderr, " -t --txg=INTEGER "
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"highest txg to use when searching for uberblocks\n");
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(void) fprintf(stderr, " -u --uberblock "
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"uberblock\n");
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(void) fprintf(stderr, " -U --cachefile=PATH "
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"use alternate cachefile\n");
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(void) fprintf(stderr, " -V --verbatim "
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"do verbatim import\n");
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(void) fprintf(stderr, " -x --dump-blocks=PATH "
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"dump all read blocks into specified directory\n");
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(void) fprintf(stderr, " -X attempt extreme rewind (does not "
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"work with dataset)\n");
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(void) fprintf(stderr, " -Y attempt all reconstruction "
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"combinations for split blocks\n");
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(void) fprintf(stderr, " -Z show ZSTD headers \n");
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(void) fprintf(stderr, " -X --extreme-rewind "
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"attempt extreme rewind (does not work with dataset)\n");
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(void) fprintf(stderr, " -Y --all-reconstruction "
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"attempt all reconstruction combinations for split blocks\n");
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(void) fprintf(stderr, " -Z --zstd-headers "
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"show ZSTD headers \n");
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(void) fprintf(stderr, "Specify an option more than once (e.g. -bb) "
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"to make only that option verbose\n");
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(void) fprintf(stderr, "Default is to dump everything non-verbosely\n");
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@@ -8410,8 +8433,50 @@ main(int argc, char **argv)
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*/
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zfs_btree_verify_intensity = 3;
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while ((c = getopt(argc, argv,
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"AbcCdDeEFGhiI:klLmMo:Op:PqrRsSt:uU:vVx:XYyZ")) != -1) {
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struct option long_options[] = {
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{"ignore-assertions", no_argument, NULL, 'A'},
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{"block-stats", no_argument, NULL, 'b'},
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{"checksum", no_argument, NULL, 'c'},
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{"config", no_argument, NULL, 'C'},
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{"datasets", no_argument, NULL, 'd'},
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{"dedup-stats", no_argument, NULL, 'D'},
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{"exported", no_argument, NULL, 'e'},
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{"embedded-block-pointer", no_argument, NULL, 'E'},
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{"automatic-rewind", no_argument, NULL, 'F'},
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{"dump-debug-msg", no_argument, NULL, 'G'},
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{"history", no_argument, NULL, 'h'},
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{"intent-logs", no_argument, NULL, 'i'},
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{"inflight", required_argument, NULL, 'I'},
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{"checkpointed-state", no_argument, NULL, 'k'},
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{"label", no_argument, NULL, 'l'},
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{"disable-leak-tracking", no_argument, NULL, 'L'},
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{"metaslabs", no_argument, NULL, 'm'},
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{"metaslab-groups", no_argument, NULL, 'M'},
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{"option", required_argument, NULL, 'o'},
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{"object-lookups", no_argument, NULL, 'O'},
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{"path", required_argument, NULL, 'p'},
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{"parseable", no_argument, NULL, 'P'},
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{"skip-label", no_argument, NULL, 'q'},
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{"copy-object", no_argument, NULL, 'r'},
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{"read-block", no_argument, NULL, 'R'},
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{"io-stats", no_argument, NULL, 's'},
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{"simulate-dedup", no_argument, NULL, 'S'},
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{"txg", required_argument, NULL, 't'},
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{"uberblock", no_argument, NULL, 'u'},
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{"cachefile", required_argument, NULL, 'U'},
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{"verbose", no_argument, NULL, 'v'},
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{"verbatim", no_argument, NULL, 'V'},
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{"dump-blocks", required_argument, NULL, 'x'},
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{"extreme-rewind", no_argument, NULL, 'X'},
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{"all-reconstruction", no_argument, NULL, 'Y'},
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{"livelist", no_argument, NULL, 'y'},
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{"zstd-headers", no_argument, NULL, 'Z'},
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{0, 0, 0, 0}
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};
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while ((c = getopt_long(argc, argv,
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"AbcCdDeEFGhiI:klLmMo:Op:PqrRsSt:uU:vVx:XYyZ",
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long_options, NULL)) != -1) {
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switch (c) {
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case 'b':
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case 'c':
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