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zinject: Introduce ready delay fault injection

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This adds a pause to the ZIO pipeline in the ready stage for
matching I/O (data, dnode, or raw bookmark).

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Akash B <akash-b@hpe.com>
Signed-off-by: Robert Evans <evansr@google.com>
Closes #17787
This commit is contained in:
Robert Evans
2025-10-01 15:17:13 -04:00
committed by Tony Hutter
parent 073b34b3ee
commit ead0fb736d
6 changed files with 134 additions and 11 deletions
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include/sys/zfs_ioctl.h
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@@ -455,6 +455,7 @@ typedef enum zinject_type {
ZINJECT_DECRYPT_FAULT,
ZINJECT_DELAY_IMPORT,
ZINJECT_DELAY_EXPORT,
ZINJECT_DELAY_READY,
} zinject_type_t;
typedef enum zinject_iotype {
include/sys/zio.h
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@@ -718,6 +718,7 @@ extern void zio_handle_ignored_writes(zio_t *zio);
extern hrtime_t zio_handle_io_delay(zio_t *zio);
extern void zio_handle_import_delay(spa_t *spa, hrtime_t elapsed);
extern void zio_handle_export_delay(spa_t *spa, hrtime_t elapsed);
extern hrtime_t zio_handle_ready_delay(zio_t *zio);
/*
* Checksum ereport functions