[Btrfs-devel] [PATCH 4/4] btrfs: Add unexported file_ra_state_init() when using kernels prior to 2.6.19

[Christoph Hellwig]

On Wed, Feb 06, 2008 at 05:14:51PM -0500, Jeff Mahoney wrote:
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>  Kernels prior to 2.6.19 don't export file_ra_state_init(). This patch adds
>  the file_ra_state_init() from 2.6.18.

Please put this somewhere else, a separate file and hopefully only in
your backports tree.  This is kernels from stoneage after all, not just
one or two revisions back.