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authorMatias Bjørling <matias@cnexlabs.com>2017-01-31 13:17:11 +0100
committerJens Axboe <axboe@fb.com>2017-01-31 08:32:13 -0700
commit583b7058b2e8071f59646c8fb027f6c3597417ac (patch)
treebbcdece45a609dcc7c54c1b56ad2f4020f786ef7 /drivers/lightnvm/core.c
parent10995c3dc9d7f47b92ff3e74b4bd191ddb7991ff (diff)
lightnvm: remove nvm_submit_ppa* functions
The nvm_submit_ppa* functions are no longer needed after gennvm and core have been merged. Signed-off-by: Matias Bjørling <matias@cnexlabs.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/lightnvm/core.c')
-rw-r--r--drivers/lightnvm/core.c109
1 files changed, 0 insertions, 109 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