diff options
| author | Javier González <jg@lightnvm.io> | 2017-01-31 15:17:20 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@fb.com> | 2017-01-31 18:32:13 +0300 |
| commit | 9a69b0ed6257ae5e71c99bf21ce53f98c558476a (patch) | |
| tree | 8f414b478b2a105851af285af7f2861e1a77aa24 /include/linux/lightnvm.h | |
| parent | deccf5a52ea59843f5575cb49fe532c7cb8801e4 (diff) | |
| download | linux-9a69b0ed6257ae5e71c99bf21ce53f98c558476a.tar.xz | |
lightnvm: allow targets to use sysfs
In order to register through the sysfs interface, a driver needs to know
its kobject. On a disk structure, this happens when the partition
information is added (device_add_disk), which for lightnvm takes place
after the target has been initialized. This means that on target
initialization, the kboject has not been created yet.
This patch adds a target function to let targets initialize their own
kboject as a child of the disk kobject.
Signed-off-by: Javier González <javier@cnexlabs.com>
Added exit typedef and passed gendisk instead of void pointer for exit.
Signed-off-by: Matias Bjørling <matias@cnexlabs.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/linux/lightnvm.h')
| -rw-r--r-- | include/linux/lightnvm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index bc282d26017a..ca45e4a088a9 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -440,6 +440,8 @@ typedef blk_qc_t (nvm_tgt_make_rq_fn)(struct request_queue *, struct bio *); typedef sector_t (nvm_tgt_capacity_fn)(void *); typedef void *(nvm_tgt_init_fn)(struct nvm_tgt_dev *, struct gendisk *); typedef void (nvm_tgt_exit_fn)(void *); +typedef int (nvm_tgt_sysfs_init_fn)(struct gendisk *); +typedef void (nvm_tgt_sysfs_exit_fn)(struct gendisk *); struct nvm_tgt_type { const char *name; @@ -453,6 +455,10 @@ struct nvm_tgt_type { nvm_tgt_init_fn *init; nvm_tgt_exit_fn *exit; + /* sysfs */ + nvm_tgt_sysfs_init_fn *sysfs_init; + nvm_tgt_sysfs_exit_fn *sysfs_exit; + /* For internal use */ struct list_head list; }; |