/* * JFFS2 -- Journalling Flash File System, Version 2. * * Copyright © 2001-2007 Red Hat, Inc. * * Created by David Woodhouse <[email protected]> * * For licensing information, see the file 'LICENCE' in this directory. * */ #ifndef __JFFS2_OS_LINUX_H__ #define __JFFS2_OS_LINUX_H__ /* JFFS2 uses Linux mode bits natively -- no need for conversion */ #define os_to_jffs2_mode(x) … #define jffs2_to_os_mode(x) … struct kstatfs; struct kvec; #define JFFS2_INODE_INFO(i) … #define OFNI_EDONI_2SFFJ(f) … #define JFFS2_SB_INFO(sb) … #define OFNI_BS_2SFFJ(c) … #define JFFS2_F_I_SIZE(f) … #define JFFS2_F_I_MODE(f) … #define JFFS2_F_I_UID(f) … #define JFFS2_F_I_GID(f) … #define JFFS2_F_I_RDEV(f) … #define JFFS2_CLAMP_TIME(t) … #define ITIME(sec) … #define JFFS2_NOW() … #define I_SEC(tv) … #define JFFS2_F_I_CTIME(f) … #define JFFS2_F_I_MTIME(f) … #define JFFS2_F_I_ATIME(f) … #define sleep_on_spinunlock(wq, s) … static inline void jffs2_init_inode_info(struct jffs2_inode_info *f) { … } #define jffs2_is_readonly(c) … #define SECTOR_ADDR(x) … #ifndef CONFIG_JFFS2_FS_WRITEBUFFER #ifdef CONFIG_JFFS2_SUMMARY #define jffs2_can_mark_obsolete … #else #define jffs2_can_mark_obsolete … #endif #define jffs2_is_writebuffered … #define jffs2_cleanmarker_oob … #define jffs2_write_nand_cleanmarker … #define jffs2_flash_write … #define jffs2_flash_read … #define jffs2_flush_wbuf_pad … #define jffs2_flush_wbuf_gc … #define jffs2_write_nand_badblock … #define jffs2_nand_flash_setup … #define jffs2_nand_flash_cleanup … #define jffs2_wbuf_dirty … #define jffs2_flash_writev … #define jffs2_wbuf_timeout … #define jffs2_wbuf_process … #define jffs2_dataflash … #define jffs2_dataflash_setup … #define jffs2_dataflash_cleanup … #define jffs2_nor_wbuf_flash … #define jffs2_nor_wbuf_flash_setup … #define jffs2_nor_wbuf_flash_cleanup … #define jffs2_ubivol … #define jffs2_ubivol_setup … #define jffs2_ubivol_cleanup … #define jffs2_dirty_trigger … #else /* NAND and/or ECC'd NOR support present */ #define jffs2_is_writebuffered(c) … #ifdef CONFIG_JFFS2_SUMMARY #define jffs2_can_mark_obsolete(c) … #else #define jffs2_can_mark_obsolete … #endif #define jffs2_cleanmarker_oob(c) … #define jffs2_wbuf_dirty(c) … /* wbuf.c */ int jffs2_flash_writev(struct jffs2_sb_info *c, const struct kvec *vecs, unsigned long count, loff_t to, size_t *retlen, uint32_t ino); int jffs2_flash_write(struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *retlen, const u_char *buf); int jffs2_flash_read(struct jffs2_sb_info *c, loff_t ofs, size_t len, size_t *retlen, u_char *buf); int jffs2_check_oob_empty(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb,int mode); int jffs2_check_nand_cleanmarker(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb); int jffs2_write_nand_cleanmarker(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb); int jffs2_write_nand_badblock(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb, uint32_t bad_offset); void jffs2_wbuf_timeout(unsigned long data); void jffs2_wbuf_process(void *data); 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); #define jffs2_dataflash(c) … int jffs2_dataflash_setup(struct jffs2_sb_info *c); void jffs2_dataflash_cleanup(struct jffs2_sb_info *c); #define jffs2_ubivol(c) … int jffs2_ubivol_setup(struct jffs2_sb_info *c); void jffs2_ubivol_cleanup(struct jffs2_sb_info *c); #define jffs2_nor_wbuf_flash(c) … int jffs2_nor_wbuf_flash_setup(struct jffs2_sb_info *c); void jffs2_nor_wbuf_flash_cleanup(struct jffs2_sb_info *c); void jffs2_dirty_trigger(struct jffs2_sb_info *c); #endif /* WRITEBUFFER */ /* background.c */ int jffs2_start_garbage_collect_thread(struct jffs2_sb_info *c); void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c); void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c); /* dir.c */ extern const struct file_operations jffs2_dir_operations; extern const struct inode_operations jffs2_dir_inode_operations; /* file.c */ 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 *, loff_t, loff_t, int); int __jffs2_read_folio(struct file *file, struct folio *folio); /* ioctl.c */ long jffs2_ioctl(struct file *, unsigned int, unsigned long); /* symlink.c */ extern const struct inode_operations jffs2_symlink_inode_operations; /* fs.c */ int jffs2_setattr (struct mnt_idmap *, struct dentry *, struct iattr *); int jffs2_do_setattr (struct inode *, struct iattr *); struct inode *jffs2_iget(struct super_block *, unsigned long); void jffs2_evict_inode (struct inode *); void jffs2_dirty_inode(struct inode *inode, int flags); struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_raw_inode *ri); int jffs2_statfs (struct dentry *, struct kstatfs *); int jffs2_do_remount_fs(struct super_block *sb, struct fs_context *fc); int jffs2_do_fill_super(struct super_block *sb, struct fs_context *fc); 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 unlinked); unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c, struct jffs2_inode_info *f, unsigned long offset, 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, 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__ */
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