UBI: remove built-in gluebi

Remove built-in gluebi support. This is a preparation for a
standalone glubi module support

Signed-off-by: Dmitry Pervushin <dpervushin@embeddedalley.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 6319836..f237ddb 100644 (file)
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -395,7 +395,6 @@ static ssize_t vol_cdev_write(struct file *file, const char __user *buf,
                        vol->corrupted = 1;
                }
                vol->checked = 1;
-               ubi_gluebi_updated(vol);
                ubi_volume_notify(ubi, vol, UBI_VOLUME_UPDATED);
                revoke_exclusive(desc, UBI_READWRITE);
        }

diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h
index 86e1a4e..82da62b 100644 (file)
--- a/drivers/mtd/ubi/ubi.h
+++ b/drivers/mtd/ubi/ubi.h
@@ -231,10 +231,6 @@ struct ubi_volume_desc;
  * @changing_leb: %1 if the atomic LEB change ioctl command is in progress
  * @direct_writes: %1 if direct writes are enabled for this volume
  *
- * @gluebi_desc: gluebi UBI volume descriptor
- * @gluebi_refcount: reference count of the gluebi MTD device
- * @gluebi_mtd: MTD device description object of the gluebi MTD device
- *
  * The @corrupted field indicates that the volume's contents is corrupted.
  * Since UBI protects only static volumes, this field is not relevant to
  * dynamic volumes - it is user's responsibility to assure their data
@@ -278,17 +274,6 @@ struct ubi_volume {
        unsigned int updating:1;
        unsigned int changing_leb:1;
        unsigned int direct_writes:1;
-
-#ifdef CONFIG_MTD_UBI_GLUEBI
-       /*
-        * Gluebi-related stuff may be compiled out.
-        * Note: this should not be built into UBI but should be a separate
-        * ubimtd driver which works on top of UBI and emulates MTD devices.
-        */
-       struct ubi_volume_desc *gluebi_desc;
-       int gluebi_refcount;
-       struct mtd_info gluebi_mtd;
-#endif
 };
 
 /**
@@ -517,17 +502,6 @@ int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf,
 int ubi_check_volume(struct ubi_device *ubi, int vol_id);
 void ubi_calculate_reserved(struct ubi_device *ubi);
 
-/* gluebi.c */
-#ifdef CONFIG_MTD_UBI_GLUEBI
-int ubi_create_gluebi(struct ubi_device *ubi, struct ubi_volume *vol);
-int ubi_destroy_gluebi(struct ubi_volume *vol);
-void ubi_gluebi_updated(struct ubi_volume *vol);
-#else
-#define ubi_create_gluebi(ubi, vol) 0
-#define ubi_destroy_gluebi(vol) 0
-#define ubi_gluebi_updated(vol)
-#endif
-
 /* eba.c */
 int ubi_eba_unmap_leb(struct ubi_device *ubi, struct ubi_volume *vol,
                      int lnum);

diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c
index e151862..ab64cb5 100644 (file)
--- a/drivers/mtd/ubi/vmt.c
+++ b/drivers/mtd/ubi/vmt.c
@@ -317,10 +317,6 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
                goto out_mapping;
        }
 
-       err = ubi_create_gluebi(ubi, vol);
-       if (err)
-               goto out_cdev;
-
        vol->dev.release = vol_release;
        vol->dev.parent = &ubi->dev;
        vol->dev.devt = dev;
@@ -330,7 +326,7 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req)
        err = device_register(&vol->dev);
        if (err) {
                ubi_err("cannot register device");
-               goto out_gluebi;
+               goto out_cdev;
        }
 
        err = volume_sysfs_init(ubi, vol);
@@ -375,10 +371,6 @@ out_sysfs:
        do_free = 0;
        get_device(&vol->dev);
        volume_sysfs_close(vol);
-out_gluebi:
-       if (ubi_destroy_gluebi(vol))
-               dbg_err("cannot destroy gluebi for volume %d:%d",
-                       ubi->ubi_num, vol_id);
 out_cdev:
        cdev_del(&vol->cdev);
 out_mapping:
@@ -433,10 +425,6 @@ int ubi_remove_volume(struct ubi_volume_desc *desc, int no_vtbl)
        ubi->volumes[vol_id] = NULL;
        spin_unlock(&ubi->volumes_lock);
 
-       err = ubi_destroy_gluebi(vol);
-       if (err)
-               goto out_err;
-
        if (!no_vtbl) {
                err = ubi_change_vtbl_record(ubi, vol_id, NULL);
                if (err)
@@ -674,10 +662,6 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
                return err;
        }
 
-       err = ubi_create_gluebi(ubi, vol);
-       if (err)
-               goto out_cdev;
-
        vol->dev.release = vol_release;
        vol->dev.parent = &ubi->dev;
        vol->dev.devt = dev;
@@ -685,12 +669,11 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
        dev_set_name(&vol->dev, "%s_%d", ubi->ubi_name, vol->vol_id);
        err = device_register(&vol->dev);
        if (err)
-               goto out_gluebi;
+               goto out_cdev;
 
        err = volume_sysfs_init(ubi, vol);
        if (err) {
                cdev_del(&vol->cdev);
-               err = ubi_destroy_gluebi(vol);
                volume_sysfs_close(vol);
                return err;
        }
@@ -699,8 +682,6 @@ int ubi_add_volume(struct ubi_device *ubi, struct ubi_volume *vol)
                dbg_err("check failed while adding volume %d", vol_id);
        return err;
 
-out_gluebi:
-       err = ubi_destroy_gluebi(vol);
 out_cdev:
        cdev_del(&vol->cdev);
        return err;
@@ -716,12 +697,9 @@ out_cdev:
  */
 void ubi_free_volume(struct ubi_device *ubi, struct ubi_volume *vol)
 {
-       int err;
-
        dbg_gen("free volume %d", vol->vol_id);
 
        ubi->volumes[vol->vol_id] = NULL;
-       err = ubi_destroy_gluebi(vol);
        cdev_del(&vol->cdev);
        volume_sysfs_close(vol);
 }