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fs: make sb_init_dio_done_wq available outside of direct-io.c

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We want to use the per-sb completion workqueue from the new iomap
direct I/O code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Jens Axboe <axboe@fb.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Christoph Hellwig 2016-11-30 14:33:53 +11:00 committed by Dave Chinner
parent 6552321831
commit ec1b826097
2 changed files with 4 additions and 1 deletions
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2
fs/direct-io.c
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@ -554,7 +554,7 @@ static inline int dio_bio_reap(struct dio *dio, struct dio_submit *sdio)
* filesystems that don't need it and also allows us to create the workqueue
* late enough so the we can include s_id in the name of the workqueue.
*/
static int sb_init_dio_done_wq(struct super_block *sb)
int sb_init_dio_done_wq(struct super_block *sb)
{
struct workqueue_struct *old;
struct workqueue_struct *wq = alloc_workqueue("dio/%s",

3
fs/internal.h
View File

@ -184,3 +184,6 @@ typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len,
loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length,
unsigned flags, struct iomap_ops *ops, void *data,
iomap_actor_t actor);
/* direct-io.c: */
int sb_init_dio_done_wq(struct super_block *sb);