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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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module/zfs/zio.c
+2 -2
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@@ -3472,8 +3472,8 @@ zio_vdev_io_done(zio_t *zio)
vdev_cache_write(zio);
if (zio_injection_enabled && zio->io_error == 0)
zio->io_error = zio_handle_device_injection(vd,
zio, EIO);
zio->io_error = zio_handle_device_injections(vd, zio,
EIO, EILSEQ);
if (zio_injection_enabled && zio->io_error == 0)
zio->io_error = zio_handle_label_injection(zio, EIO);