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path: root/drivers/mtd/ubi/cdev.c
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Diffstat (limited to 'drivers/mtd/ubi/cdev.c')
-rw-r--r--drivers/mtd/ubi/cdev.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 3410ea8109f8..f5c715c32dcd 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -61,13 +61,13 @@ static int get_exclusive(struct ubi_device *ubi, struct ubi_volume_desc *desc)
struct ubi_volume *vol = desc->vol;
spin_lock(&vol->ubi->volumes_lock);
- users = vol->readers + vol->writers + vol->exclusive;
+ users = vol->readers + vol->writers + vol->exclusive + vol->metaonly;
ubi_assert(users > 0);
if (users > 1) {
ubi_err(ubi, "%d users for volume %d", users, vol->vol_id);
err = -EBUSY;
} else {
- vol->readers = vol->writers = 0;
+ vol->readers = vol->writers = vol->metaonly = 0;
vol->exclusive = 1;
err = desc->mode;
desc->mode = UBI_EXCLUSIVE;
@@ -87,13 +87,15 @@ static void revoke_exclusive(struct ubi_volume_desc *desc, int mode)
struct ubi_volume *vol = desc->vol;
spin_lock(&vol->ubi->volumes_lock);
- ubi_assert(vol->readers == 0 && vol->writers == 0);
+ ubi_assert(vol->readers == 0 && vol->writers == 0 && vol->metaonly == 0);
ubi_assert(vol->exclusive == 1 && desc->mode == UBI_EXCLUSIVE);
vol->exclusive = 0;
if (mode == UBI_READONLY)
vol->readers = 1;
else if (mode == UBI_READWRITE)
vol->writers = 1;
+ else if (mode == UBI_METAONLY)
+ vol->metaonly = 1;
else
vol->exclusive = 1;
spin_unlock(&vol->ubi->volumes_lock);