ceph: add pagelist_reserve, pagelist_truncate, pagelist_set_cursor
authorGreg Farnum <gregf@hq.newdream.net>
Fri, 17 Sep 2010 17:10:55 +0000 (10:10 -0700)
committerSage Weil <sage@newdream.net>
Wed, 20 Oct 2010 22:38:16 +0000 (15:38 -0700)
These facilitate preallocation of pages so that we can encode into the pagelist
in an atomic context.

Signed-off-by: Greg Farnum <gregf@hq.newdream.net>
Signed-off-by: Sage Weil <sage@newdream.net>

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