tree edc2b27284365f019859a936885bd100960eb659
parent e6dcd2dc9c489108648e2ed543315dd134d50a9a
author Chris Mason <chris.mason@oracle.com> 1216313631 -0400
committer Chris Mason <chris.mason@oracle.com> 1222355044 -0400

Btrfs: Use async helpers to deal with pages that have been improperly dirtied

Higher layers sometimes call set_page_dirty without asking the filesystem
to help.  This causes many problems for the data=ordered and cow code.
This commit detects pages that haven't been properly setup for IO and
kicks off an async helper to deal with them.

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