summaryrefslogtreecommitdiffstats
path: root/drivers/lightnvm
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/lightnvm')
-rw-r--r--drivers/lightnvm/core.c25
-rw-r--r--drivers/lightnvm/rrpc.c4
-rw-r--r--drivers/lightnvm/rrpc.h5
3 files changed, 22 insertions, 12 deletions
diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 773a55da0e20..0d1fb6b40c46 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -568,11 +568,13 @@ int nvm_register(struct request_queue *q, char *disk_name,
}
}
- ret = nvm_get_sysblock(dev, &dev->sb);
- if (!ret)
- pr_err("nvm: device not initialized.\n");
- else if (ret < 0)
- pr_err("nvm: err (%d) on device initialization\n", ret);
+ if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) {
+ ret = nvm_get_sysblock(dev, &dev->sb);
+ if (!ret)
+ pr_err("nvm: device not initialized.\n");
+ else if (ret < 0)
+ pr_err("nvm: err (%d) on device initialization\n", ret);
+ }
/* register device with a supported media manager */
down_write(&nvm_lock);
@@ -1050,9 +1052,11 @@ static long __nvm_ioctl_dev_init(struct nvm_ioctl_dev_init *init)
strncpy(info.mmtype, init->mmtype, NVM_MMTYPE_LEN);
info.fs_ppa.ppa = -1;
- ret = nvm_init_sysblock(dev, &info);
- if (ret)
- return ret;
+ if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT) {
+ ret = nvm_init_sysblock(dev, &info);
+ if (ret)
+ return ret;
+ }
memcpy(&dev->sb, &info, sizeof(struct nvm_sb_info));
@@ -1112,7 +1116,10 @@ static long nvm_ioctl_dev_factory(struct file *file, void __user *arg)
dev->mt = NULL;
}
- return nvm_dev_factory(dev, fact.flags);
+ if (dev->identity.cap & NVM_ID_DCAP_BBLKMGMT)
+ return nvm_dev_factory(dev, fact.flags);
+
+ return 0;
}
static long nvm_ctl_ioctl(struct file *file, uint cmd, unsigned long arg)
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index f015fdc9c281..82343783aa47 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -310,8 +310,10 @@ static int rrpc_move_valid_pages(struct rrpc *rrpc, struct rrpc_block *rblk)
}
page = mempool_alloc(rrpc->page_pool, GFP_NOIO);
- if (!page)
+ if (!page) {
+ bio_put(bio);
return -ENOMEM;
+ }
while ((slot = find_first_zero_bit(rblk->invalid_pages,
nr_sec_per_blk)) < nr_sec_per_blk) {
diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h
index 0577c4dae05f..855f4a5ca7dd 100644
--- a/drivers/lightnvm/rrpc.h
+++ b/drivers/lightnvm/rrpc.h
@@ -183,8 +183,7 @@ static inline sector_t rrpc_get_sector(sector_t laddr)
static inline int request_intersects(struct rrpc_inflight_rq *r,
sector_t laddr_start, sector_t laddr_end)
{
- return (laddr_end >= r->l_start && laddr_end <= r->l_end) &&
- (laddr_start >= r->l_start && laddr_start <= r->l_end);
+ return (laddr_end >= r->l_start) && (laddr_start <= r->l_end);
}
static int __rrpc_lock_laddr(struct rrpc *rrpc, sector_t laddr,
@@ -193,6 +192,8 @@ static int __rrpc_lock_laddr(struct rrpc *rrpc, sector_t laddr,
sector_t laddr_end = laddr + pages - 1;
struct rrpc_inflight_rq *rtmp;
+ WARN_ON(irqs_disabled());
+
spin_lock_irq(&rrpc->inflights.lock);
list_for_each_entry(rtmp, &rrpc->inflights.reqs, list) {
if (unlikely(request_intersects(rtmp, laddr, laddr_end))) {