X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=fs%2Fjffs2%2Fos-linux.h;h=035a767f958b078baa407c84e90050b20f77eca2;hb=e0c70b80786296d4f3c35ebe0d52591cebf8f916;hp=7bf72e012c9412590d556bd383cd31c15b7e3a91;hpb=265489f01d8c05f7aae174651a98854af090efc0;p=safe%2Fjmp%2Flinux-2.6

diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 7bf72e0..035a767 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -1,14 +1,12 @@
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *
- * Copyright (C) 2002-2003 Red Hat, Inc.
+ * Copyright © 2001-2007 Red Hat, Inc.
  *
  * Created by David Woodhouse <dwmw2@infradead.org>
  *
  * 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 $
- *
  */
 
 #ifndef __JFFS2_OS_LINUX_H__
@@ -31,9 +29,7 @@ struct kvec;
 #define JFFS2_F_I_MODE(f) (OFNI_EDONI_2SFFJ(f)->i_mode)
 #define JFFS2_F_I_UID(f) (OFNI_EDONI_2SFFJ(f)->i_uid)
 #define JFFS2_F_I_GID(f) (OFNI_EDONI_2SFFJ(f)->i_gid)
-
-#define JFFS2_F_I_RDEV_MIN(f) (iminor(OFNI_EDONI_2SFFJ(f)))
-#define JFFS2_F_I_RDEV_MAJ(f) (imajor(OFNI_EDONI_2SFFJ(f)))
+#define JFFS2_F_I_RDEV(f) (OFNI_EDONI_2SFFJ(f)->i_rdev)
 
 #define ITIME(sec) ((struct timespec){sec, 0})
 #define I_SEC(tv) ((tv).tv_sec)
@@ -57,6 +53,7 @@ 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 +61,24 @@ 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)
@@ -82,16 +86,26 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
 #define jffs2_flash_writev(a,b,c,d,e,f) jffs2_flash_direct_writev(a,b,c,d,e)
 #define jffs2_wbuf_timeout NULL
 #define jffs2_wbuf_process NULL
-#define jffs2_nor_ecc(c) (0)
 #define jffs2_dataflash(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(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 */
 
 #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->flags & (MTD_BIT_WRITEABLE))
+#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))
@@ -113,18 +127,20 @@ int jffs2_flush_wbuf_pad(struct jffs2_sb_info *c);
 int jffs2_nand_flash_setup(struct jffs2_sb_info *c);
 void jffs2_nand_flash_cleanup(struct jffs2_sb_info *c);
 
-#define jffs2_nor_ecc(c) (c->mtd->type == MTD_NORFLASH && (c->mtd->flags & MTD_ECC))
-int jffs2_nor_ecc_flash_setup(struct jffs2_sb_info *c);
-void jffs2_nor_ecc_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);
+void jffs2_nor_wbuf_flash_cleanup(struct jffs2_sb_info *c);
 
 #endif /* WRITEBUFFER */
 
-/* erase.c */
-static inline void jffs2_erase_pending_trigger(struct jffs2_sb_info *c)
+static inline void jffs2_dirty_trigger(struct jffs2_sb_info *c)
 {
 	OFNI_BS_2SFFJ(c)->s_dirt = 1;
 }
@@ -135,52 +151,53 @@ void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c);
 void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c);
 
 /* dir.c */
-extern struct file_operations jffs2_dir_operations;
-extern struct inode_operations jffs2_dir_inode_operations;
+extern const struct file_operations jffs2_dir_operations;
+extern const struct inode_operations jffs2_dir_inode_operations;
 
 /* file.c */
-extern struct file_operations jffs2_file_operations;
-extern struct inode_operations jffs2_file_inode_operations;
-extern struct address_space_operations jffs2_file_address_operations;
+extern const struct file_operations jffs2_file_operations;
+extern const struct inode_operations jffs2_file_inode_operations;
+extern const struct address_space_operations jffs2_file_address_operations;
 int jffs2_fsync(struct file *, struct dentry *, int);
 int jffs2_do_readpage_unlock (struct inode *inode, struct page *pg);
 
 /* ioctl.c */
-int jffs2_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
+long jffs2_ioctl(struct file *, unsigned int, unsigned long);
 
 /* symlink.c */
-extern struct inode_operations jffs2_symlink_inode_operations;
+extern const struct inode_operations jffs2_symlink_inode_operations;
 
 /* fs.c */
 int jffs2_setattr (struct dentry *, struct iattr *);
-void jffs2_read_inode (struct inode *);
+int jffs2_do_setattr (struct inode *, struct iattr *);
+struct inode *jffs2_iget(struct super_block *, unsigned long);
 void jffs2_clear_inode (struct inode *);
 void jffs2_dirty_inode(struct inode *inode);
 struct inode *jffs2_new_inode (struct inode *dir_i, int mode,
 			       struct jffs2_raw_inode *ri);
-int jffs2_statfs (struct super_block *, struct kstatfs *);
-void jffs2_write_super (struct super_block *);
+int jffs2_statfs (struct dentry *, struct kstatfs *);
 int jffs2_remount_fs (struct super_block *, int *, char *);
 int jffs2_do_fill_super(struct super_block *sb, void *data, int silent);
 void jffs2_gc_release_inode(struct jffs2_sb_info *c,
 			    struct jffs2_inode_info *f);
 struct jffs2_inode_info *jffs2_gc_fetch_inode(struct jffs2_sb_info *c,
-					      int inum, int nlink);
+					      int inum, int unlinked);
 
-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__ */