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Paul Dagnelie
6562851406
This PR adds a check in the mirror and raidz code for the case where there are errors <= nparity. In that case, ZFS sets a new flag on the zio that will be checked in zio_done. If that flag is set, when the write IO completes, we issue a read IO for the same blkptr. That will allow ZFS's auto-healing mechanisms and other errors recovery tools to detect the effectively-corrupt data, and handle it accordingly. Note that because draid raidz's IO done function, it also benefits from this functionality. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Paul Dagnelie <[email protected]> Sponsored-by: Klara, Inc. Sponsored-by: Wasabi Technology, Inc. Closes #18387