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Commit 784b4e29 authored by Chris Mason's avatar Chris Mason
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Btrfs: add migrate page for metadata inode


Migrate page will directly call the btrfs btree writepage function,
which isn't actually allowed.

Our writepage assumes that you have locked the extent_buffer and
flagged the block as written.  Without doing these steps, we can
corrupt metadata blocks.

A later commit will remove the btree writepage function since
it is really only safely used internally by btrfs.  We
use writepages for everything else.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 6418c961
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