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Btrfs: Keep extent mappings in ram until pending ordered extents are done

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It was possible for stale mappings from disk to be used instead of the
new pending ordered extent.  This adds a flag to the extent map struct
to keep it pinned until the pending ordered extent is actually on disk.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-07-18 12:01:11 -04:00
commit 7f3c74fb83
6 changed files with 48 additions and 20 deletions
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