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Commit 80ff3856 authored by Yan Zheng's avatar Yan Zheng Committed by Chris Mason
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Btrfs: update nodatacow code v2


This patch simplifies the nodatacow checker. If all references
were created after the latest snapshot, then we can avoid COW
safely. This patch also updates run_delalloc_nocow to do more
fine-grained checking.

Signed-off-by: default avatarYan Zheng <zheng.yan@oracle.com>
parent 6643558d
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