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JFFS2: add UBI support

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This patch make JFFS2 able to work with UBI volumes via the emulated MTD
devices which are directly mapped to these volumes.

Signed-off-by: Artem Bityutskiy <dedekind@infradead.org>
This commit is contained in:
Artem Bityutskiy
2006-10-04 19:15:21 +03:00
committed by Frank Haverkamp
parent 801c135ce7
commit 0029da3bf4
3 changed files with 42 additions and 0 deletions
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6
fs/jffs2/os-linux.h
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@@ -98,6 +98,9 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
#define jffs2_nor_wbuf_flash(c) (0)
#define jffs2_nor_wbuf_flash_setup(c) (0)
#define jffs2_nor_wbuf_flash_cleanup(c) do {} while (0)
#define jffs2_ubivol(c) (0)
#define jffs2_ubivol_setup(c) (0)
#define jffs2_ubivol_cleanup(c) do {} while (0)
#else /* NAND and/or ECC'd NOR support present */
@@ -133,6 +136,9 @@ void jffs2_nand_flash_cleanup(struct jffs2_sb_info *c);
#define jffs2_dataflash(c) (c->mtd->type == MTD_DATAFLASH)
int jffs2_dataflash_setup(struct jffs2_sb_info *c);
void jffs2_dataflash_cleanup(struct jffs2_sb_info *c);
#define jffs2_ubivol(c) (c->mtd->type == MTD_UBIVOLUME)
int jffs2_ubivol_setup(struct jffs2_sb_info *c);
void jffs2_ubivol_cleanup(struct jffs2_sb_info *c);
#define jffs2_nor_wbuf_flash(c) (c->mtd->type == MTD_NORFLASH && ! (c->mtd->flags & MTD_BIT_WRITEABLE))
int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c);