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Commit 66114cad authored by Tejun Heo's avatar Tejun Heo Committed by Jens Axboe
Browse files

writeback: separate out include/linux/backing-dev-defs.h 



With the planned cgroup writeback support, backing-dev related
declarations will be more widely used across block and cgroup;
unfortunately, including backing-dev.h from include/linux/blkdev.h
makes cyclic include dependency quite likely.

This patch separates out backing-dev-defs.h which only has the
essential definitions and updates blkdev.h to include it.  c files
which need access to more backing-dev details now include
backing-dev.h directly.  This takes backing-dev.h off the common
include dependency chain making it a lot easier to use it across block
and cgroup.

v2: fs/fat build failure fixed.

Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Reviewed-by: default avatarJan Kara <jack@suse.cz>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: default avatarJens Axboe <axboe@fb.com>
parent 46100071

block/blk-integrity.c

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
 */



#include <linux/blkdev.h>

#include <linux/backing-dev.h>

#include <linux/mempool.h>

#include <linux/bio.h>

#include <linux/scatterlist.h>

block/blk-sysfs.c

+1 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
#include <linux/module.h>

#include <linux/bio.h>

#include <linux/blkdev.h>

#include <linux/backing-dev.h>

#include <linux/blktrace_api.h>

#include <linux/blk-mq.h>

#include <linux/blk-cgroup.h>

block/bounce.c

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/pagemap.h>

#include <linux/mempool.h>

#include <linux/blkdev.h>

#include <linux/backing-dev.h>

#include <linux/init.h>

#include <linux/hash.h>

#include <linux/highmem.h>

block/genhd.c

+1 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include <linux/kdev_t.h>

#include <linux/kernel.h>

#include <linux/blkdev.h>

#include <linux/backing-dev.h>

#include <linux/init.h>

#include <linux/spinlock.h>

#include <linux/proc_fs.h>

drivers/block/drbd/drbd_int.h

+1 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#include <linux/mutex.h>

#include <linux/major.h>

#include <linux/blkdev.h>

#include <linux/backing-dev.h>

#include <linux/genhd.h>

#include <linux/idr.h>

#include <net/tcp.h>