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Add tunables for channel programs

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This patch adds tunables for modifying the maximum memory limit and
maximum instruction limit that can be specified when running a channel
program.

Reviewed-by: Matthew Ahrens <mahrens@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov
Reviewed-by: Sara Hartse <sara.hartse@delphix.com>
Signed-off-by: John Gallagher <john.gallagher@delphix.com>
External-issue: LX-1085
Closes #7618
This commit is contained in:
John Gallagher
2018-06-15 15:10:42 -07:00
committed by Brian Behlendorf
parent 7b98f0d91f
commit 917f475fba
5 changed files with 49 additions and 26 deletions
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cmd/zfs/zfs_main.c
+3 -17
View File
@@ -21,7 +21,7 @@
/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2017 by Delphix. All rights reserved.
* Copyright (c) 2011, 2018 by Delphix. All rights reserved.
* Copyright 2012 Milan Jurik. All rights reserved.
* Copyright (c) 2012, Joyent, Inc. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
@@ -7308,24 +7308,10 @@ zfs_do_channel_program(int argc, char **argv)
}
if (c == 't') {
if (arg > ZCP_MAX_INSTRLIMIT || arg == 0) {
(void) fprintf(stderr, gettext(
"Invalid instruction limit: "
"%s\n"), optarg);
return (1);
} else {
instrlimit = arg;
}
instrlimit = arg;
} else {
ASSERT3U(c, ==, 'm');
if (arg > ZCP_MAX_MEMLIMIT || arg == 0) {
(void) fprintf(stderr, gettext(
"Invalid memory limit: "
"%s\n"), optarg);
return (1);
} else {
memlimit = arg;
}
memlimit = arg;
}
break;
}