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Add corruption failure option to zinject(8)

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Added a 'corrupt' error option that will flip a bit in the data
after a read operation.  This is useful for generating checksum
errors at the device layer (in a mirror config for example). It
is also used to validate the diagnosis of checksum errors from
the zfs diagnosis engine.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Don Brady <don.brady@intel.com>
Closes #6345
This commit is contained in:
Don Brady
2017-08-14 18:17:15 -04:00
committed by Brian Behlendorf
parent 42a76fc8d7
commit d977122da9
5 changed files with 76 additions and 17 deletions
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include/sys/zio.h
+2
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@@ -619,6 +619,8 @@ extern int zio_clear_fault(int id);
extern void zio_handle_panic_injection(spa_t *spa, char *tag, uint64_t type);
extern int zio_handle_fault_injection(zio_t *zio, int error);
extern int zio_handle_device_injection(vdev_t *vd, zio_t *zio, int error);
extern int zio_handle_device_injections(vdev_t *vd, zio_t *zio, int err1,
int err2);
extern int zio_handle_label_injection(zio_t *zio, int error);
extern void zio_handle_ignored_writes(zio_t *zio);
extern hrtime_t zio_handle_io_delay(zio_t *zio);