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-rw-r--r--fs/jffs2/os-linux.h60
1 files changed, 15 insertions, 45 deletions
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 03b0acc..7bf72e0 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -7,41 +7,24 @@
*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: os-linux.h,v 1.51 2004/11/16 20:36:11 dwmw2 Exp $
+ * $Id: os-linux.h,v 1.57 2005/07/06 12:13:09 dwmw2 Exp $
*
*/
#ifndef __JFFS2_OS_LINUX_H__
#define __JFFS2_OS_LINUX_H__
-#include <linux/version.h>
/* JFFS2 uses Linux mode bits natively -- no need for conversion */
#define os_to_jffs2_mode(x) (x)
#define jffs2_to_os_mode(x) (x)
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,73)
-#define kstatfs statfs
-#endif
-
struct kstatfs;
struct kvec;
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
#define JFFS2_INODE_INFO(i) (list_entry(i, struct jffs2_inode_info, vfs_inode))
#define OFNI_EDONI_2SFFJ(f) (&(f)->vfs_inode)
#define JFFS2_SB_INFO(sb) (sb->s_fs_info)
#define OFNI_BS_2SFFJ(c) ((struct super_block *)c->os_priv)
-#elif defined(JFFS2_OUT_OF_KERNEL)
-#define JFFS2_INODE_INFO(i) ((struct jffs2_inode_info *) &(i)->u)
-#define OFNI_EDONI_2SFFJ(f) ((struct inode *) ( ((char *)f) - ((char *)(&((struct inode *)NULL)->u)) ) )
-#define JFFS2_SB_INFO(sb) ((struct jffs2_sb_info *) &(sb)->u)
-#define OFNI_BS_2SFFJ(c) ((struct super_block *) ( ((char *)c) - ((char *)(&((struct super_block *)NULL)->u)) ) )
-#else
-#define JFFS2_INODE_INFO(i) (&i->u.jffs2_i)
-#define OFNI_EDONI_2SFFJ(f) ((struct inode *) ( ((char *)f) - ((char *)(&((struct inode *)NULL)->u)) ) )
-#define JFFS2_SB_INFO(sb) (&sb->u.jffs2_sb)
-#define OFNI_BS_2SFFJ(c) ((struct super_block *) ( ((char *)c) - ((char *)(&((struct super_block *)NULL)->u)) ) )
-#endif
#define JFFS2_F_I_SIZE(f) (OFNI_EDONI_2SFFJ(f)->i_size)
@@ -49,28 +32,14 @@ struct kvec;
#define JFFS2_F_I_UID(f) (OFNI_EDONI_2SFFJ(f)->i_uid)
#define JFFS2_F_I_GID(f) (OFNI_EDONI_2SFFJ(f)->i_gid)
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,1)
#define JFFS2_F_I_RDEV_MIN(f) (iminor(OFNI_EDONI_2SFFJ(f)))
#define JFFS2_F_I_RDEV_MAJ(f) (imajor(OFNI_EDONI_2SFFJ(f)))
-#else
-#define JFFS2_F_I_RDEV_MIN(f) (MINOR(to_kdev_t(OFNI_EDONI_2SFFJ(f)->i_rdev)))
-#define JFFS2_F_I_RDEV_MAJ(f) (MAJOR(to_kdev_t(OFNI_EDONI_2SFFJ(f)->i_rdev)))
-#endif
-/* Urgh. The things we do to keep the 2.4 build working */
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,47)
#define ITIME(sec) ((struct timespec){sec, 0})
#define I_SEC(tv) ((tv).tv_sec)
#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime.tv_sec)
#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime.tv_sec)
#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime.tv_sec)
-#else
-#define ITIME(x) (x)
-#define I_SEC(x) (x)
-#define JFFS2_F_I_CTIME(f) (OFNI_EDONI_2SFFJ(f)->i_ctime)
-#define JFFS2_F_I_MTIME(f) (OFNI_EDONI_2SFFJ(f)->i_mtime)
-#define JFFS2_F_I_ATIME(f) (OFNI_EDONI_2SFFJ(f)->i_atime)
-#endif
#define sleep_on_spinunlock(wq, s) \
do { \
@@ -84,23 +53,21 @@ struct kvec;
static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
{
-#if LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)
f->highest_version = 0;
f->fragtree = RB_ROOT;
f->metadata = NULL;
f->dents = NULL;
f->flags = 0;
f->usercompr = 0;
-#else
- memset(f, 0, sizeof(*f));
- init_MUTEX_LOCKED(&f->sem);
-#endif
}
+
#define jffs2_is_readonly(c) (OFNI_BS_2SFFJ(c)->s_flags & MS_RDONLY)
-#if (!defined CONFIG_JFFS2_FS_NAND && !defined CONFIG_JFFS2_FS_NOR_ECC)
+#ifndef CONFIG_JFFS2_FS_WRITEBUFFER
+#define SECTOR_ADDR(x) ( ((unsigned long)(x) & ~(c->sector_size-1)) )
#define jffs2_can_mark_obsolete(c) (1)
+#define jffs2_is_writebuffered(c) (0)
#define jffs2_cleanmarker_oob(c) (0)
#define jffs2_write_nand_cleanmarker(c,jeb) (-EIO)
@@ -116,11 +83,14 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
#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)
#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)
#define jffs2_cleanmarker_oob(c) (c->mtd->type == MTD_NANDFLASH)
@@ -142,16 +112,16 @@ int jffs2_flush_wbuf_gc(struct jffs2_sb_info *c, uint32_t ino);
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);
-#ifdef CONFIG_JFFS2_FS_NOR_ECC
+
#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);
-#else
-#define jffs2_nor_ecc(c) (0)
-#define jffs2_nor_ecc_flash_setup(c) (0)
-#define jffs2_nor_ecc_flash_cleanup(c) do {} while (0)
-#endif /* NOR ECC */
-#endif /* NAND */
+
+#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);
+
+#endif /* WRITEBUFFER */
/* erase.c */
static inline void jffs2_erase_pending_trigger(struct jffs2_sb_info *c)