diff options
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 82da62bde413..86e1a4e0ab01 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -231,6 +231,10 @@ 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 @@ -274,6 +278,17 @@ 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 }; /** @@ -502,6 +517,17 @@ 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); |