diff options
-rw-r--r-- | drivers/lightnvm/core.c | 109 | ||||
-rw-r--r-- | include/linux/lightnvm.h | 4 |
2 files changed, 0 insertions, 113 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index a4e2e3b01ae4..ffdf048d58d1 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -883,115 +883,6 @@ void nvm_end_io(struct nvm_rq *rqd, int error) } EXPORT_SYMBOL(nvm_end_io); -static void nvm_end_io_sync(struct nvm_rq *rqd) -{ - struct completion *waiting = rqd->wait; - - rqd->wait = NULL; - - complete(waiting); -} - -static int __nvm_submit_ppa(struct nvm_dev *dev, struct nvm_rq *rqd, int opcode, - int flags, void *buf, int len) -{ - DECLARE_COMPLETION_ONSTACK(wait); - struct bio *bio; - int ret; - unsigned long hang_check; - - bio = bio_map_kern(dev->q, buf, len, GFP_KERNEL); - if (IS_ERR_OR_NULL(bio)) - return -ENOMEM; - - nvm_generic_to_addr_mode(dev, rqd); - - rqd->dev = NULL; - rqd->opcode = opcode; - rqd->flags = flags; - rqd->bio = bio; - rqd->wait = &wait; - rqd->end_io = nvm_end_io_sync; - - ret = dev->ops->submit_io(dev, rqd); - if (ret) { - bio_put(bio); - return ret; - } - - /* Prevent hang_check timer from firing at us during very long I/O */ - hang_check = sysctl_hung_task_timeout_secs; - if (hang_check) - while (!wait_for_completion_io_timeout(&wait, - hang_check * (HZ/2))) - ; - else - wait_for_completion_io(&wait); - - return rqd->error; -} - -/** - * nvm_submit_ppa_list - submit user-defined ppa list to device. The user must - * take to free ppa list if necessary. - * @dev: device - * @ppa_list: user created ppa_list - * @nr_ppas: length of ppa_list - * @opcode: device opcode - * @flags: device flags - * @buf: data buffer - * @len: data buffer length - */ -int nvm_submit_ppa_list(struct nvm_dev *dev, struct ppa_addr *ppa_list, - int nr_ppas, int opcode, int flags, void *buf, int len) -{ - struct nvm_rq rqd; - - if (dev->ops->max_phys_sect < nr_ppas) - return -EINVAL; - - memset(&rqd, 0, sizeof(struct nvm_rq)); - - rqd.nr_ppas = nr_ppas; - if (nr_ppas > 1) - rqd.ppa_list = ppa_list; - else - rqd.ppa_addr = ppa_list[0]; - - return __nvm_submit_ppa(dev, &rqd, opcode, flags, buf, len); -} -EXPORT_SYMBOL(nvm_submit_ppa_list); - -/** - * nvm_submit_ppa - submit PPAs to device. PPAs will automatically be unfolded - * as single, dual, quad plane PPAs depending on device type. - * @dev: device - * @ppa: user created ppa_list - * @nr_ppas: length of ppa_list - * @opcode: device opcode - * @flags: device flags - * @buf: data buffer - * @len: data buffer length - */ -int nvm_submit_ppa(struct nvm_dev *dev, struct ppa_addr *ppa, int nr_ppas, - int opcode, int flags, void *buf, int len) -{ - struct nvm_rq rqd; - int ret; - - memset(&rqd, 0, sizeof(struct nvm_rq)); - ret = nvm_set_rqd_ppalist(dev, &rqd, ppa, nr_ppas, 1); - if (ret) - return ret; - - ret = __nvm_submit_ppa(dev, &rqd, opcode, flags, buf, len); - - nvm_free_rqd_ppalist(dev, &rqd); - - return ret; -} -EXPORT_SYMBOL(nvm_submit_ppa); - /* * folds a bad block list from its plane representation to its virtual * block representation. The fold is done in place and reduced size is diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index f2007b2c4979..abb3d55c107f 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -489,10 +489,6 @@ extern int nvm_get_l2p_tbl(struct nvm_tgt_dev *, u64, u32, nvm_l2p_update_fn *, extern int nvm_get_area(struct nvm_tgt_dev *, sector_t *, sector_t); extern void nvm_put_area(struct nvm_tgt_dev *, sector_t); extern void nvm_end_io(struct nvm_rq *, int); -extern int nvm_submit_ppa(struct nvm_dev *, struct ppa_addr *, int, int, int, - void *, int); -extern int nvm_submit_ppa_list(struct nvm_dev *, struct ppa_addr *, int, int, - int, void *, int); extern int nvm_bb_tbl_fold(struct nvm_dev *, u8 *, int); extern int nvm_get_bb_tbl(struct nvm_dev *, struct ppa_addr, u8 *); extern int nvm_get_tgt_bb_tbl(struct nvm_tgt_dev *, struct ppa_addr, u8 *); |