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| author | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-12-17 15:42:57 +0200 |
|---|---|---|
| committer | Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2007-12-26 19:15:16 +0200 |
| commit | d05c77a816974c09f8c7e8f48e5b9f7b59dafdf3 (patch) | |
| tree | 6263ef3ad76c654e9d2635e5145f15c2b517edeb /drivers/mtd/ubi/kapi.c | |
| parent | db6e5770ef0ab351a403ac26e1ab1309e58f15d7 (diff) | |
| download | linux-3.10-d05c77a816974c09f8c7e8f48e5b9f7b59dafdf3.tar.gz linux-3.10-d05c77a816974c09f8c7e8f48e5b9f7b59dafdf3.tar.bz2 linux-3.10-d05c77a816974c09f8c7e8f48e5b9f7b59dafdf3.zip | |
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 <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/kapi.c')
| -rw-r--r-- | drivers/mtd/ubi/kapi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/kapi.c b/drivers/mtd/ubi/kapi.c index 9c283768319..780c273ff45 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); |