Btrfs: switch back to wait_on_page_writeback to wait on metadata writes
authorChris Mason <chris.mason@oracle.com>
Tue, 18 Nov 2008 17:13:12 +0000 (12:13 -0500)
committerChris Mason <chris.mason@oracle.com>
Tue, 18 Nov 2008 17:13:12 +0000 (12:13 -0500)
The extent based waiting was using more CPU, and other fixes have helped
with the unplug storm problems.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

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