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Subject[PATCH] lightnvm: place unlock sentence in the common path
Date
move spin_unlock(&vlun->lock) to common path to make
the code more clean.

Signed-off-by: Wenwei Tao <ww.tao0320@gmail.com>
---
drivers/lightnvm/gennvm.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index 35dde84..ce60254 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -262,14 +262,11 @@ static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev,
if (list_empty(&lun->free_list)) {
pr_err_ratelimited("gennvm: lun %u have no free pages available",
lun->vlun.id);
- spin_unlock(&vlun->lock);
goto out;
}

- while (!is_gc && lun->vlun.nr_free_blocks < lun->reserved_blocks) {
- spin_unlock(&vlun->lock);
+ if (!is_gc && lun->vlun.nr_free_blocks < lun->reserved_blocks)
goto out;
- }

blk = list_first_entry(&lun->free_list, struct nvm_block, list);
list_move_tail(&blk->list, &lun->used_list);
@@ -278,8 +275,8 @@ static struct nvm_block *gennvm_get_blk(struct nvm_dev *dev,
lun->vlun.nr_free_blocks--;
lun->vlun.nr_inuse_blocks++;

- spin_unlock(&vlun->lock);
out:
+ spin_unlock(&vlun->lock);
return blk;
}

--
1.8.3.1


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