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| author | Eric Wheeler <git@linux.ewheeler.net> | 2016-10-23 18:19:20 -0700 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2016-12-17 13:02:00 -0700 |
| commit | b8c0d911ac5285e6be8967713271a51bdc5a936a (patch) | |
| tree | fbc7164e716fcbf45eec53d3d89c6abc853725fa | |
| parent | be628be09563f8f6e81929efbd7cf3f45c344416 (diff) | |
| download | linux-b8c0d911ac5285e6be8967713271a51bdc5a936a.tar.bz2 | |
bcache: partition support: add 16 minors per bcacheN device
Signed-off-by: Eric Wheeler <bcache@linux.ewheeler.net>
Tested-by: Wido den Hollander <wido@widodh.nl>
| -rw-r--r-- | drivers/md/bcache/super.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index b33dd3bd104f..3a19cbc8b230 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -58,6 +58,7 @@ static wait_queue_head_t unregister_wait; struct workqueue_struct *bcache_wq; #define BTREE_MAX_PAGES (256 * 1024 / PAGE_SIZE) +#define BCACHE_MINORS 16 /* partition support */ /* Superblock */ @@ -783,8 +784,10 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size, if (minor < 0) return minor; + minor *= BCACHE_MINORS; + if (!(d->bio_split = bioset_create(4, offsetof(struct bbio, bio))) || - !(d->disk = alloc_disk(1))) { + !(d->disk = alloc_disk(BCACHE_MINORS))) { ida_simple_remove(&bcache_minor, minor); return -ENOMEM; } |