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zio_resume: log when unsuspending the pool (#16485)

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When reviewing logs after a failure, its useful to see where
unsuspend/resume was requested.


Sponsored-by: Klara, Inc.
Sponsored-by: Wasabi Technology, Inc.

Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
This commit is contained in:
Rob Norris 2024-09-10 10:21:20 +10:00 committed by GitHub
parent 5c67820265
commit 8be2f4c3d2
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1 changed files with 5 additions and 1 deletions
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6
module/zfs/zio.c
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@ -2553,7 +2553,7 @@ zio_suspend(spa_t *spa, zio_t *zio, zio_suspend_reason_t reason)
if (reason != ZIO_SUSPEND_MMP) { if (reason != ZIO_SUSPEND_MMP) {
cmn_err(CE_WARN, "Pool '%s' has encountered an uncorrectable " cmn_err(CE_WARN, "Pool '%s' has encountered an uncorrectable "
"I/O failure and has been suspended.\n", spa_name(spa)); "I/O failure and has been suspended.", spa_name(spa));
} }
(void) zfs_ereport_post(FM_EREPORT_ZFS_IO_FAILURE, spa, NULL, (void) zfs_ereport_post(FM_EREPORT_ZFS_IO_FAILURE, spa, NULL,
@ -2589,6 +2589,10 @@ zio_resume(spa_t *spa)
* Reexecute all previously suspended i/o. * Reexecute all previously suspended i/o.
*/ */
mutex_enter(&spa->spa_suspend_lock); mutex_enter(&spa->spa_suspend_lock);
if (spa->spa_suspended != ZIO_SUSPEND_NONE)
cmn_err(CE_WARN, "Pool '%s' was suspended and is being "
"resumed. Failed I/O will be retried.",
spa_name(spa));
spa->spa_suspended = ZIO_SUSPEND_NONE; spa->spa_suspended = ZIO_SUSPEND_NONE;
cv_broadcast(&spa->spa_suspend_cv); cv_broadcast(&spa->spa_suspend_cv);
pio = spa->spa_suspend_zio_root; pio = spa->spa_suspend_zio_root;