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Release 4.11 fs/jffs2/os-linux.h

Directory: fs/jffs2
 * JFFS2 -- Journalling Flash File System, Version 2.
 * Copyright © 2001-2007 Red Hat, Inc.
 * Created by David Woodhouse <>
 * 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) (x)

#define jffs2_to_os_mode(x) (x)

struct kstatfs;
struct kvec;

#define JFFS2_INODE_INFO(i) (container_of(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)

#define JFFS2_F_I_SIZE(f) (OFNI_EDONI_2SFFJ(f)->i_size)

#define JFFS2_F_I_MODE(f) (OFNI_EDONI_2SFFJ(f)->i_mode)

#define JFFS2_F_I_UID(f) (i_uid_read(OFNI_EDONI_2SFFJ(f)))

#define JFFS2_F_I_GID(f) (i_gid_read(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)

#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)

#define sleep_on_spinunlock(wq, s)				\
	do {                                                    \
                DECLARE_WAITQUEUE(__wait, current);             \
                add_wait_queue((wq), &__wait);                  \
                set_current_state(TASK_UNINTERRUPTIBLE);        \
                spin_unlock(s);                                 \
                schedule();                                     \
                remove_wait_queue((wq), &__wait);               \
        } while(0)

static inline void jffs2_init_inode_info(struct jffs2_inode_info *f) { f->highest_version = 0; f->fragtree = RB_ROOT; f->metadata = NULL; f->dents = NULL; f->target = NULL; f->flags = 0; f->usercompr = 0; }


David Woodhouse4888.89%266.67%
Artem B. Bityutskiy611.11%133.33%

#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 #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) jffs2_flash_direct_write(c, ofs, len, retlen, buf) #define jffs2_flash_read(c, ofs, len, retlen, buf) (mtd_read((c)->mtd, ofs, len, retlen, buf)) #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) #define jffs2_wbuf_dirty(c) (0) #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_dataflash(c) (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) #define jffs2_dirty_trigger(c) do {} while (0) #else /* NAND and/or ECC'd NOR support present */ #define jffs2_is_writebuffered(c) (c->wbuf != NULL) #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_wbuf_dirty(c) (!!(c)->wbuf_len) /* 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) (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); 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_do_readpage_unlock (struct inode *inode, struct page *pg); /* 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 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 *, 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 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_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, 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__ */

Overall Contributors

David Woodhouse85576.54%1432.56%
Artem B. Bityutskiy837.43%613.95%
Ferenc Havasi534.74%12.33%
Nico Pitre383.40%12.33%
Andrew Victor383.40%24.65%
Todd Android Poynor141.25%12.33%
David Howells90.81%24.65%
Arjan van de Ven50.45%24.65%
Christoph Hellwig40.36%24.65%
Josef Bacik40.36%12.33%
Al Viro40.36%36.98%
Eric W. Biedermann20.18%12.33%
Jörn Engel20.18%12.33%
Brian Gerst10.09%12.33%
Brian Norris10.09%12.33%
Andres Salomon10.09%12.33%
Joakim Tjernlund10.09%12.33%
Rasmus Villemoes10.09%12.33%
Stoyan Gaydarov10.09%12.33%
Directory: fs/jffs2
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