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ZIL: Change ZIOs issue order. #15233

Merged
merged 1 commit into from
Sep 2, 2023
Merged

ZIL: Change ZIOs issue order. #15233

merged 1 commit into from
Sep 2, 2023

Commits on Sep 1, 2023

  1. ZIL: Change ZIOs issue order. 

    In zil_lwb_write_issue(), after issuing lwb_root_zio/lwb_write_zio,
we have no right to access lwb->lwb_child_zio. If it was not there,
the first two ZIOs may have already completed and freed the lwb.
ZIOs issue in opposite order from children to parent should keep
the lwb valid till the end, since the lwb can be freed only after
lwb_root_zio completion callback.

Signed-off-by:	Alexander Motin <[email protected]>
Sponsored by:	iXsystems, Inc.
    @amotin
    amotin committed Sep 1, 2023
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