*
* For licensing information, see the file 'LICENCE' in this directory.
*
- * $Id: nodelist.h,v 1.139 2005/08/31 13:51:00 havasi Exp $
+ * $Id: nodelist.h,v 1.140 2005/09/07 08:34:54 havasi Exp $
*
*/
#include <linux/jffs2.h>
#include <linux/jffs2_fs_sb.h>
#include <linux/jffs2_fs_i.h>
+#include "summary.h"
#ifdef __ECOS
#include "os-ecos.h"
#define je16_to_cpu(x) (le16_to_cpu(x.v16))
#define je32_to_cpu(x) (le32_to_cpu(x.v32))
#define jemode_to_cpu(x) (le32_to_cpu(jffs2_to_os_mode((x).m)))
-#else
+#else
#error wibble
#endif
/*
This is all we need to keep in-core for each raw node during normal
operation. As and when we do read_inode on a particular inode, we can
- scan the nodes which are listed for it and build up a proper map of
+ scan the nodes which are listed for it and build up a proper map of
which nodes are currently valid. JFFSv1 always used to keep that whole
map in core for each inode.
*/
/* flash_offset & 3 always has to be zero, because nodes are
always aligned at 4 bytes. So we have a couple of extra bits
- to play with, which indicate the node's status; see below: */
+ to play with, which indicate the node's status; see below: */
#define REF_UNCHECKED 0 /* We haven't yet checked the CRC or built its inode */
#define REF_OBSOLETE 1 /* Obsolete, can be completely ignored */
#define REF_PRISTINE 2 /* Completely clean. GC without looking */
/* For each inode in the filesystem, we need to keep a record of
nlink, because it would be a PITA to scan the whole directory tree
at read_inode() time to calculate it, and to keep sufficient information
- in the raw_node_ref (basically both parent and child inode number for
+ in the raw_node_ref (basically both parent and child inode number for
dirent nodes) would take more space than this does. We also keep
a pointer to the first physical node which is part of this inode, too.
*/
#define INOCACHE_HASHSIZE 128
/*
- Larger representation of a raw node, kept in-core only when the
+ Larger representation of a raw node, kept in-core only when the
struct inode for this particular ino is instantiated.
*/
uint32_t ofs; /* The offset to which the data of this node belongs */
uint32_t size;
uint32_t frags; /* Number of fragments which currently refer
- to this node. When this reaches zero,
+ to this node. When this reaches zero,
the node is obsolete. */
};
-/*
+/*
Even larger representation of a raw node, kept in-core only while
we're actually building up the original map of which nodes go where,
in read_inode()
uint32_t data_crc;
uint32_t partial_crc;
uint32_t csize;
-};
+};
struct jffs2_full_dirent
{
};
/*
- Fragments - used to build a map of which raw node to obtain
+ Fragments - used to build a map of which raw node to obtain
data from for each part of the ino
*/
struct jffs2_node_frag
struct jffs2_raw_node_ref *ref)
{
uint32_t ref_end;
-
+
if (ref->next_phys)
ref_end = ref_offset(ref->next_phys);
else {
#define VERYDIRTY(c, size) ((size) >= ((c)->sector_size / 2))
/* check if dirty space is more than 255 Byte */
-#define ISDIRTY(size) ((size) > sizeof (struct jffs2_raw_inode) + JFFS2_MIN_DATA_LEN)
+#define ISDIRTY(size) ((size) > sizeof (struct jffs2_raw_inode) + JFFS2_MIN_DATA_LEN)
#define PAD(x) (((x)+3)&~3)
/* nodemgmt.c */
int jffs2_thread_should_wake(struct jffs2_sb_info *c);
-int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs, uint32_t *len, int prio);
-int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs, uint32_t *len);
+int jffs2_reserve_space(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs,
+ uint32_t *len, int prio, uint32_t sumsize);
+int jffs2_reserve_space_gc(struct jffs2_sb_info *c, uint32_t minsize, uint32_t *ofs,
+ uint32_t *len, uint32_t sumsize);
int jffs2_add_physical_node_ref(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *new);
void jffs2_complete_reservation(struct jffs2_sb_info *c);
void jffs2_mark_node_obsolete(struct jffs2_sb_info *c, struct jffs2_raw_node_ref *raw);
struct jffs2_full_dnode *jffs2_write_dnode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_raw_inode *ri, const unsigned char *data, uint32_t datalen, uint32_t flash_ofs, int alloc_mode);
struct jffs2_full_dirent *jffs2_write_dirent(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_raw_dirent *rd, const unsigned char *name, uint32_t namelen, uint32_t flash_ofs, int alloc_mode);
int jffs2_write_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
- struct jffs2_raw_inode *ri, unsigned char *buf,
+ struct jffs2_raw_inode *ri, unsigned char *buf,
uint32_t offset, uint32_t writelen, uint32_t *retlen);
int jffs2_do_create(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, struct jffs2_inode_info *f, struct jffs2_raw_inode *ri, const char *name, int namelen);
int jffs2_do_unlink(struct jffs2_sb_info *c, struct jffs2_inode_info *dir_f, const char *name, int namelen, struct jffs2_inode_info *dead_f, uint32_t time);
/* readinode.c */
-int jffs2_do_read_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
+int jffs2_do_read_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f,
uint32_t ino, struct jffs2_raw_inode *latest_node);
int jffs2_do_crccheck_inode(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic);
void jffs2_do_clear_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f);
/* scan.c */
int jffs2_scan_medium(struct jffs2_sb_info *c);
void jffs2_rotate_lists(struct jffs2_sb_info *c);
+int jffs2_fill_scan_buf(struct jffs2_sb_info *c, void *buf,
+ uint32_t ofs, uint32_t len);
+struct jffs2_inode_cache *jffs2_scan_make_ino_cache(struct jffs2_sb_info *c, uint32_t ino);
+int jffs2_scan_classify_jeb(struct jffs2_sb_info *c, struct jffs2_eraseblock *jeb);
/* build.c */
int jffs2_do_mount_fs(struct jffs2_sb_info *c);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff