From: Alex Tomas <alex@clusterfs.com>
Date: Fri, 11 Jul 2008 23:27:31 +0000 (-0400)
Subject: vfs: add hooks for ext4's delayed allocation support
X-Git-Tag: v2.6.27-rc1~1087^2~13
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=29a814d2ee0e43c2980f33f91c1311ec06c0aa35;p=pandora-kernel.git

vfs: add hooks for ext4's delayed allocation support

Export mpage_bio_submit() and __mpage_writepage() for the benefit of
ext4's delayed allocation support.   Also change __block_write_full_page
so that if buffers that have the BH_Delay flag set it will call
get_block() to get the physical block allocated, just as in the
!BH_Mapped case.

Signed-off-by: Alex Tomas <alex@clusterfs.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
---

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