diff options
| author |   Jens Axboe <axboe@fb.com> | 2017-02-17 14:08:19 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-02-17 14:08:19 -0700 |
| commit | 818551e2b2c662a1b26de6b4f7d6b8411a838d18 (patch) | |
| tree | f38b4c951df4d33db81ae7b7765a56bce491c2a8 /include/linux/genhd.h | |
| parent | Merge branch 'for-4.11/block' into for-4.11/linus-merge (diff) | |
| parent | block: don't defer flushes on blk-mq + scheduling (diff) | |
| download | linux-dev-818551e2b2c662a1b26de6b4f7d6b8411a838d18.tar.xz linux-dev-818551e2b2c662a1b26de6b4f7d6b8411a838d18.zip | |
Merge branch 'for-4.11/next' into for-4.11/linus-merge
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/genhd.h')
| -rw-r--r-- | include/linux/genhd.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 76f39754e7b0..a999d281a2f1 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -167,6 +167,13 @@ struct blk_integrity { }; #endif /* CONFIG_BLK_DEV_INTEGRITY */ +struct disk_devt { + atomic_t count; + void (*release)(struct disk_devt *disk_devt); +}; + +void put_disk_devt(struct disk_devt *disk_devt); +void get_disk_devt(struct disk_devt *disk_devt); struct gendisk { /* major, first_minor and minors are input parameters only, @@ -176,6 +183,7 @@ struct gendisk { int first_minor; int minors; /* maximum number of minors, =1 for * disks that can't be partitioned. */ + struct disk_devt *disk_devt; char disk_name[DISK_NAME_LEN]; /* name of major driver */ char *(*devnode)(struct gendisk *gd, umode_t *mode); |