From d05c77a816974c09f8c7e8f48e5b9f7b59dafdf3 Mon Sep 17 00:00:00 2001 From: Artem Bityutskiy Date: Mon, 17 Dec 2007 15:42:57 +0200 Subject: UBI: introduce volume refcounting Add ref_count field to UBI volumes and remove weired "vol->removed" field. This way things are better understandable and we do not have to do whold show_attr operation under spinlock. Signed-off-by: Artem Bityutskiy --- drivers/mtd/ubi/kapi.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/mtd/ubi/kapi.c') diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index 9c28376..780c273 100644 --- a/drivers/mtd/ubi/kapi.c +++ b/drivers/mtd/ubi/kapi.c @@ -152,6 +152,7 @@ struct ubi_volume_desc *ubi_open_volume(int ubi_num, int vol_id, int mode) break; } get_device(&vol->dev); + vol->ref_count += 1; spin_unlock(&ubi->volumes_lock); desc->vol = vol; @@ -261,10 +262,11 @@ void ubi_close_volume(struct ubi_volume_desc *desc) case UBI_EXCLUSIVE: vol->exclusive = 0; } + vol->ref_count -= 1; spin_unlock(&vol->ubi->volumes_lock); - kfree(desc); put_device(&vol->dev); + kfree(desc); module_put(THIS_MODULE); } EXPORT_SYMBOL_GPL(ubi_close_volume); -- cgit v1.1