From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 14 May 2009 17:57:08 +0000 (-0400)
Subject: ext4: Clean up ext4_get_blocks() so it does not depend on bh_result->b_state
X-Git-Tag: v2.6.31-rc1~396^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ac3b6e00acb46406c993d57921f86a594aafe08;p=pandora-kernel.git

ext4: Clean up ext4_get_blocks() so it does not depend on bh_result->b_state

The ext4_get_blocks() function was depending on the value of
bh_result->b_state as an input parameter to decide whether or not
update the delalloc accounting statistics by calling
ext4_da_update_reserve_space().  We now use a separate flag,
EXT4_GET_BLOCKS_UPDATE_RESERVE_SPACE, to requests this update, so that
all callers of ext4_get_blocks() can clear map_bh.b_state before
calling ext4_get_blocks() without worrying about any consistency
issues.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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