Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[powerpc.git] / fs / jffs2 / os-linux.h

diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 7bf72e0..59e7a39 100644 (file)
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -7,7 +7,7 @@
  *
  * For licensing information, see the file 'LICENCE' in this directory.
  *
- * $Id: os-linux.h,v 1.57 2005/07/06 12:13:09 dwmw2 Exp $
+ * $Id: os-linux.h,v 1.64 2005/09/30 13:59:13 dedekind Exp $
  *
  */
 
@@ -57,6 +57,7 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
        f->fragtree = RB_ROOT;
        f->metadata = NULL;
        f->dents = NULL;
+       f->target = NULL;
        f->flags = 0;
        f->usercompr = 0;
 }
@@ -64,17 +65,24 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
 
 #define jffs2_is_readonly(c) (OFNI_BS_2SFFJ(c)->s_flags & MS_RDONLY)
 
+#define SECTOR_ADDR(x) ( (((unsigned long)(x) / c->sector_size) * c->sector_size) )
 #ifndef CONFIG_JFFS2_FS_WRITEBUFFER
-#define SECTOR_ADDR(x) ( ((unsigned long)(x) & ~(c->sector_size-1)) )
+
+
+#ifdef CONFIG_JFFS2_SUMMARY
+#define jffs2_can_mark_obsolete(c) (0)
+#else
 #define jffs2_can_mark_obsolete(c) (1)
+#endif
+
 #define jffs2_is_writebuffered(c) (0)
 #define jffs2_cleanmarker_oob(c) (0)
 #define jffs2_write_nand_cleanmarker(c,jeb) (-EIO)
 
-#define jffs2_flash_write(c, ofs, len, retlen, buf) ((c)->mtd->write((c)->mtd, ofs, len, retlen, buf))
+#define jffs2_flash_write(c, ofs, len, retlen, buf) jffs2_flash_direct_write(c, ofs, len, retlen, buf)
 #define jffs2_flash_read(c, ofs, len, retlen, buf) ((c)->mtd->read((c)->mtd, ofs, len, retlen, buf))
-#define jffs2_flush_wbuf_pad(c) ({ (void)(c), 0; })
-#define jffs2_flush_wbuf_gc(c, i) ({ (void)(c), (void) i, 0; })
+#define jffs2_flush_wbuf_pad(c) ({ do{} while(0); (void)(c), 0; })
+#define jffs2_flush_wbuf_gc(c, i) ({ do{} while(0); (void)(c), (void) i, 0; })
 #define jffs2_write_nand_badblock(c,jeb,bad_offset) (1)
 #define jffs2_nand_flash_setup(c) (0)
 #define jffs2_nand_flash_cleanup(c) do {} while(0)
@@ -84,14 +92,26 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
 #define jffs2_wbuf_process NULL
 #define jffs2_nor_ecc(c) (0)
 #define jffs2_dataflash(c) (0)
+#define jffs2_nor_wbuf_flash(c) (0)
 #define jffs2_nor_ecc_flash_setup(c) (0)
 #define jffs2_nor_ecc_flash_cleanup(c) do {} while (0)
+#define jffs2_dataflash_setup(c) (0)
+#define jffs2_dataflash_cleanup(c) do {} while (0)
+#define jffs2_nor_wbuf_flash_setup(c) (0)
+#define jffs2_nor_wbuf_flash_cleanup(c) do {} while (0)
 
 #else /* NAND and/or ECC'd NOR support present */
 
 #define jffs2_is_writebuffered(c) (c->wbuf != NULL)
-#define SECTOR_ADDR(x) ( ((unsigned long)(x) / (unsigned long)(c->sector_size)) * c->sector_size )
-#define jffs2_can_mark_obsolete(c) ((c->mtd->type == MTD_NORFLASH && !(c->mtd->flags & MTD_ECC)) || c->mtd->type == MTD_RAM)
+
+#ifdef CONFIG_JFFS2_SUMMARY
+#define jffs2_can_mark_obsolete(c) (0)
+#else
+#define jffs2_can_mark_obsolete(c) \
+  ((c->mtd->type == MTD_NORFLASH && !(c->mtd->flags & (MTD_ECC|MTD_PROGRAM_REGIONS))) || \
+   c->mtd->type == MTD_RAM)
+#endif
+
 #define jffs2_cleanmarker_oob(c) (c->mtd->type == MTD_NANDFLASH)
 
 #define jffs2_flash_write_oob(c, ofs, len, retlen, buf) ((c)->mtd->write_oob((c)->mtd, ofs, len, retlen, buf))
@@ -121,6 +141,10 @@ void jffs2_nor_ecc_flash_cleanup(struct jffs2_sb_info *c);
 int jffs2_dataflash_setup(struct jffs2_sb_info *c);
 void jffs2_dataflash_cleanup(struct jffs2_sb_info *c);
 
+#define jffs2_nor_wbuf_flash(c) (c->mtd->type == MTD_NORFLASH && (c->mtd->flags & MTD_PROGRAM_REGIONS))
+int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c);
+void jffs2_nor_wbuf_flash_cleanup(struct jffs2_sb_info *c);
+
 #endif /* WRITEBUFFER */
 
 /* erase.c */
@@ -167,20 +191,21 @@ void jffs2_gc_release_inode(struct jffs2_sb_info *c,
 struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c,
                                              int inum, int nlink);
 
-unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c, 
-                                  struct jffs2_inode_info *f, 
+unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,
+                                  struct jffs2_inode_info *f,
                                   unsigned long offset,
                                   unsigned long *priv);
 void jffs2_gc_release_page(struct jffs2_sb_info *c,
                           unsigned char *pg,
                           unsigned long *priv);
 void jffs2_flash_cleanup(struct jffs2_sb_info *c);
-     
+
 
 /* writev.c */
-int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs, 
+int jffs2_flash_direct_writev(struct jffs2_sb_info *c, const struct kvec *vecs,
                       unsigned long count, loff_t to, size_t *retlen);
-
+int jffs2_flash_direct_write(struct jffs2_sb_info *c, loff_t ofs, size_t len,
+                       size_t *retlen, const u_char *buf);
 
 #endif /* __JFFS2_OS_LINUX_H__ */