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Fixed data integrity issue when underlying disk returns error
Errors in zil_lwb_write_done() are not propagated to zil_lwb_flush_vdevs_done() which can result in zil_commit_impl() not returning an error to applications even when zfs was not able to write data to the disk. Remove the ZIO_FLAG_DONT_PROPAGATE flag from zio_rewrite() to allow errors to propagate and consolidate the error handling for flush and write errors to a single location (rather than having error handling split between the "write done" and "flush done" handlers). Reviewed-by: George Wilson <[email protected]> Reviewed-by: Prakash Surya <[email protected]> Signed-off-by: Arun KV <[email protected]> Closes openzfs#12391 Closes openzfs#12443
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