[PATCH] Update location of ll_rw_blk.c in docs

Picked from the ubuntu-2.6 tree

The change in location for ll_rw_blk.c from drivers/block/ to block/ caused
failure to generate documentation.

Signed-off-by: Ben Collins <bcollins@ubuntu.com>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/Documentation/block/biodoc.txt b/Documentation/block/biodoc.txt
index 2d65c21..0fe01c8 100644
--- a/Documentation/block/biodoc.txt
+++ b/Documentation/block/biodoc.txt
@@ -1063,8 +1063,8 @@
 4.4 I/O contexts
 I/O contexts provide a dynamically allocated per process data area. They may
 be used in I/O schedulers, and in the block layer (could be used for IO statis,
-priorities for example). See *io_context in drivers/block/ll_rw_blk.c, and
-as-iosched.c for an example of usage in an i/o scheduler.
+priorities for example). See *io_context in block/ll_rw_blk.c, and as-iosched.c
+for an example of usage in an i/o scheduler.
 
 
 5. Scalability related changes