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ztest: Fix scrub check in ztest_raidz_expand_check()

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The scrub code may return EBUSY under several possible scenarios
causing ztest to incorrectly ASSERT when verifying the result of
a raidz expansion.  Update the test case to allow EBUSY since it
does not indicate pool damage.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #16627
This commit is contained in:
Brian Behlendorf 2024-10-08 20:41:17 -07:00 committed by GitHub
parent cefef28e98
commit 4319e71402
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2 changed files with 19 additions and 2 deletions
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19
cmd/ztest.c
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@ -6717,6 +6717,17 @@ out:
*
* Only after a full scrub has been completed is it safe to start injecting
* data corruption. See the comment in zfs_fault_inject().
*
* EBUSY may be returned for the following six cases. It's the callers
* responsibility to handle them accordingly.
*
* Current state Requested
* 1. Normal Scrub Running Normal Scrub or Error Scrub
* 2. Normal Scrub Paused Error Scrub
* 3. Normal Scrub Paused Pause Normal Scrub
* 4. Error Scrub Running Normal Scrub or Error Scrub
* 5. Error Scrub Paused Pause Error Scrub
* 6. Resilvering Anything else
*/
static int
ztest_scrub_impl(spa_t *spa)
@ -8082,8 +8093,14 @@ ztest_raidz_expand_check(spa_t *spa)
(void) printf("verifying an interrupted raidz "
"expansion using a pool scrub ...\n");
}
/* Will fail here if there is non-recoverable corruption detected */
VERIFY0(ztest_scrub_impl(spa));
int error = ztest_scrub_impl(spa);
if (error == EBUSY)
error = 0;
VERIFY0(error);
if (ztest_opts.zo_verbose >= 1) {
(void) printf("raidz expansion scrub check complete\n");
}

2
lib/libzfs/libzfs_pool.c
View File

@ -2796,7 +2796,7 @@ zpool_scan(zpool_handle_t *zhp, pool_scan_func_t func, pool_scrub_cmd_t cmd)
}
/*
* With EBUSY, five cases are possible:
* With EBUSY, six cases are possible:
*
* Current state Requested
* 1. Normal Scrub Running Normal Scrub or Error Scrub