btrfs: kill unused writepage_io_hook callback
authorDavid Sterba <dsterba@suse.com>
Wed, 4 May 2016 09:46:10 +0000 (11:46 +0200)
committerDavid Sterba <dsterba@suse.com>
Fri, 6 May 2016 12:57:57 +0000 (14:57 +0200)
commit58409edd2d5cc24716cb9ce690803696c5118503
treeea605dcc992dea3d662abb8e72cd0c0ca6a6e6ad
parentad8403df054c9b5dc3175a26c6179571b9cafa4e
btrfs: kill unused writepage_io_hook callback

It seems to be long time unused, since 2008 and
6885f308b5570 ("Btrfs: Misc 2.6.25 updates").

Propagating the removal touches some code but has no functional effect.

Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/extent_io.c
fs/btrfs/extent_io.h