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6391 Override default SPA config location via environment

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illumos/illumos-gate@ae24175b2b
ae24175b2b

https://www.illumos.org/issues/6391
  When using zdb with non-default SPA config file it is not convenient
  to add -U <non-default-config-file-path> all the time. This commit
  introduces support for setting/overriding SPA config location via
  environment variable 'SPA_CONFIG_PATH'.
  If -U flag is specified in the command line it will override any other
  value as usual.

64d7b6cf75

Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed by: Richard Yao <ryao@gentoo.org>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Will Andrews <will@freebsd.org>
Reviewed by: George Wilson <george.wilson@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Author: Cyril Plisko <cyril.plisko@mountall.com>
This commit is contained in:
Andriy Gapon 2016-07-20 09:57:16 +00:00
parent 6c910ac2c4
commit 0442be9aa8
1 changed files with 10 additions and 0 deletions
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10
cmd/zdb/zdb.c
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@ -3529,12 +3529,22 @@ main(int argc, char **argv)
nvlist_t *policy = NULL;
uint64_t max_txg = UINT64_MAX;
int rewind = ZPOOL_NEVER_REWIND;
char *spa_config_path_env;
(void) setrlimit(RLIMIT_NOFILE, &rl);
(void) enable_extended_FILE_stdio(-1, -1);
dprintf_setup(&argc, argv);
/*
* If there is an environment variable SPA_CONFIG_PATH it overrides
* default spa_config_path setting. If -U flag is specified it will
* override this environment variable settings once again.
*/
spa_config_path_env = getenv("SPA_CONFIG_PATH");
if (spa_config_path_env != NULL)
spa_config_path = spa_config_path_env;
while ((c = getopt(argc, argv,
"bcdhilmMI:suCDRSAFLXx:evp:t:U:P")) != -1) {
switch (c) {