Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit b9d128f1 authored by Jens Axboe's avatar Jens Axboe
Browse files

block: move bdi/address_space unplug functions to backing-dev.h 



There's nothing block related about them, the backing device
is used by things like NFS etc as well. This gets rid of the
need to protect such calls by CONFIG_BLOCK.

Signed-off-by: default avatarJens Axboe <jens.axboe@oracle.com>
parent a870a3a4

fs/aio.c

+1 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
#include <linux/aio_abi.h>

#include <linux/module.h>

#include <linux/syscalls.h>

#include <linux/backing-dev.h>

#include <linux/uio.h>



#define DEBUG 0

include/linux/backing-dev.h

+13 −0
Original line number Diff line number Diff line
@@ -331,4 +331,17 @@ static inline int bdi_sched_wait(void *word) 
	return 0;

}



static inline void blk_run_backing_dev(struct backing_dev_info *bdi,

				       struct page *page)

{

	if (bdi && bdi->unplug_io_fn)

		bdi->unplug_io_fn(bdi, page);

}



static inline void blk_run_address_space(struct address_space *mapping)

{

	if (mapping)

		blk_run_backing_dev(mapping->backing_dev_info, NULL);

}



#endif		/* _LINUX_BACKING_DEV_H */

include/linux/blkdev.h

+0 −13
Original line number Diff line number Diff line
@@ -823,19 +823,6 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) 
	return bdev->bd_disk->queue;

}



static inline void blk_run_backing_dev(struct backing_dev_info *bdi,

				       struct page *page)

{

	if (bdi && bdi->unplug_io_fn)

		bdi->unplug_io_fn(bdi, page);

}



static inline void blk_run_address_space(struct address_space *mapping)

{

	if (mapping)

		blk_run_backing_dev(mapping->backing_dev_info, NULL);

}



/*

 * blk_rq_pos()			: the current sector

 * blk_rq_bytes()		: bytes left in the entire request