From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 14 May 2009 04:54:29 +0000 (-0400)
Subject: ext4: Add documentation to the ext4_*get_block* functions
X-Git-Tag: v2.6.31-rc1~396^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b920c75502cb2c48654ef196d647c8eb81ab608a;p=pandora-kernel.git

ext4: Add documentation to the ext4_*get_block* functions

This adds more documentation to various internal functions in
fs/ext4/inode.c, most notably ext4_ind_get_blocks(),
ext4_da_get_block_write(), ext4_da_get_block_prep(),
ext4_normal_get_block_write().

In addition, the static function ext4_normal_get_block_write() has
been renamed noalloc_get_block_write(), since it is used in many
places far beyond ext4_normal_writepage().

Plenty of warnings have been added to the noalloc_get_block_write()
function, since the way it is used is amazingly fragile.

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