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md: delete dead code 

Nobody is using mddev_check_plugged(), so delete the dead code

Signed-off-by: Shaohua Li <shli@fb.com>
This commit is contained in:
Shaohua Li 2017-02-23 12:31:10 -08:00
parent 6d399783e9
commit 99b3d74ec0
2 changed files with 0 additions and 14 deletions
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8
drivers/md/md.c
View File

@ -440,14 +440,6 @@ void md_flush_request(struct mddev *mddev, struct bio *bio)
} }
EXPORT_SYMBOL(md_flush_request); EXPORT_SYMBOL(md_flush_request);
void md_unplug(struct blk_plug_cb *cb, bool from_schedule)
{
struct mddev *mddev = cb->data;
md_wakeup_thread(mddev->thread);
kfree(cb);
}
EXPORT_SYMBOL(md_unplug);
static inline struct mddev *mddev_get(struct mddev *mddev) static inline struct mddev *mddev_get(struct mddev *mddev)
{ {
atomic_inc(&mddev->active); atomic_inc(&mddev->active);

6
drivers/md/md.h
View File

@ -676,16 +676,10 @@ extern void mddev_resume(struct mddev *mddev);
extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs, extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs,
struct mddev *mddev); struct mddev *mddev);
extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule);
extern void md_reload_sb(struct mddev *mddev, int raid_disk); extern void md_reload_sb(struct mddev *mddev, int raid_disk);
extern void md_update_sb(struct mddev *mddev, int force); extern void md_update_sb(struct mddev *mddev, int force);
extern void md_kick_rdev_from_array(struct md_rdev * rdev); extern void md_kick_rdev_from_array(struct md_rdev * rdev);
struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr); struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr);
static inline int mddev_check_plugged(struct mddev *mddev)
{
return !!blk_check_plugged(md_unplug, mddev,
sizeof(struct blk_plug_cb));
}
static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev) static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev)
{ {