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zstream: add a drop_record subcommand

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It can be used to drop extraneous records in a send stream caused by a
corrupt dataset, as in issue #18239.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by:	Alan Somers <asomers@gmail.com>
Sponsored by:	ConnectWise
Closes #18275
This commit is contained in:
Alan Somers
2026-03-12 16:08:58 -06:00
committed by GitHub
parent 7f65e04abd
commit 753f1e1e21
8 changed files with 449 additions and 3 deletions
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cmd/zstream/zstream.c
+4
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@@ -43,6 +43,8 @@ zstream_usage(void)
"\n"
"\tzstream decompress [-v] [OBJECT,OFFSET[,TYPE]] ...\n"
"\n"
"\tzstream drop_record [-v] [OBJECT,OFFSET] ...\n"
"\n"
"\tzstream recompress [ -l level] TYPE\n"
"\n"
"\tzstream token resume_token\n"
@@ -68,6 +70,8 @@ main(int argc, char *argv[])
return (zstream_do_dump(argc - 1, argv + 1));
} else if (strcmp(subcommand, "decompress") == 0) {
return (zstream_do_decompress(argc - 1, argv + 1));
} else if (strcmp(subcommand, "drop_record") == 0) {
return (zstream_do_drop_record(argc - 1, argv + 1));
} else if (strcmp(subcommand, "recompress") == 0) {
return (zstream_do_recompress(argc - 1, argv + 1));
} else if (strcmp(subcommand, "token") == 0) {