diff options
author | Paul Mackerras <paulus@samba.org> | 2007-04-29 22:38:01 -0400 |
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committer | Paul Mackerras <paulus@samba.org> | 2007-04-29 22:38:01 -0400 |
commit | 49e1900d4cc2e7bcecb681fe60f0990bec2dcce8 (patch) | |
tree | 253801ebf57e0a23856a2c7be129c2c178f62fdf /fs/jffs2/nodelist.h | |
parent | 34f6d749c0a328817d5e36274e53121c1db734dc (diff) | |
parent | b9099ff63c75216d6ca10bce5a1abcd9293c27e6 (diff) |
Merge branch 'linux-2.6' into for-2.6.22
Diffstat (limited to 'fs/jffs2/nodelist.h')
-rw-r--r-- | fs/jffs2/nodelist.h | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index 4178b4b55948..25126a062cae 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h | |||
@@ -1,14 +1,12 @@ | |||
1 | /* | 1 | /* |
2 | * JFFS2 -- Journalling Flash File System, Version 2. | 2 | * JFFS2 -- Journalling Flash File System, Version 2. |
3 | * | 3 | * |
4 | * Copyright (C) 2001-2003 Red Hat, Inc. | 4 | * Copyright © 2001-2007 Red Hat, Inc. |
5 | * | 5 | * |
6 | * Created by David Woodhouse <dwmw2@infradead.org> | 6 | * Created by David Woodhouse <dwmw2@infradead.org> |
7 | * | 7 | * |
8 | * For licensing information, see the file 'LICENCE' in this directory. | 8 | * For licensing information, see the file 'LICENCE' in this directory. |
9 | * | 9 | * |
10 | * $Id: nodelist.h,v 1.140 2005/09/07 08:34:54 havasi Exp $ | ||
11 | * | ||
12 | */ | 10 | */ |
13 | 11 | ||
14 | #ifndef __JFFS2_NODELIST_H__ | 12 | #ifndef __JFFS2_NODELIST_H__ |
@@ -40,6 +38,9 @@ | |||
40 | #define cpu_to_je32(x) ((jint32_t){x}) | 38 | #define cpu_to_je32(x) ((jint32_t){x}) |
41 | #define cpu_to_jemode(x) ((jmode_t){os_to_jffs2_mode(x)}) | 39 | #define cpu_to_jemode(x) ((jmode_t){os_to_jffs2_mode(x)}) |
42 | 40 | ||
41 | #define constant_cpu_to_je16(x) ((jint16_t){x}) | ||
42 | #define constant_cpu_to_je32(x) ((jint32_t){x}) | ||
43 | |||
43 | #define je16_to_cpu(x) ((x).v16) | 44 | #define je16_to_cpu(x) ((x).v16) |
44 | #define je32_to_cpu(x) ((x).v32) | 45 | #define je32_to_cpu(x) ((x).v32) |
45 | #define jemode_to_cpu(x) (jffs2_to_os_mode((x).m)) | 46 | #define jemode_to_cpu(x) (jffs2_to_os_mode((x).m)) |
@@ -48,6 +49,9 @@ | |||
48 | #define cpu_to_je32(x) ((jint32_t){cpu_to_be32(x)}) | 49 | #define cpu_to_je32(x) ((jint32_t){cpu_to_be32(x)}) |
49 | #define cpu_to_jemode(x) ((jmode_t){cpu_to_be32(os_to_jffs2_mode(x))}) | 50 | #define cpu_to_jemode(x) ((jmode_t){cpu_to_be32(os_to_jffs2_mode(x))}) |
50 | 51 | ||
52 | #define constant_cpu_to_je16(x) ((jint16_t){__constant_cpu_to_be16(x)}) | ||
53 | #define constant_cpu_to_je32(x) ((jint32_t){__constant_cpu_to_be32(x)}) | ||
54 | |||
51 | #define je16_to_cpu(x) (be16_to_cpu(x.v16)) | 55 | #define je16_to_cpu(x) (be16_to_cpu(x.v16)) |
52 | #define je32_to_cpu(x) (be32_to_cpu(x.v32)) | 56 | #define je32_to_cpu(x) (be32_to_cpu(x.v32)) |
53 | #define jemode_to_cpu(x) (be32_to_cpu(jffs2_to_os_mode((x).m))) | 57 | #define jemode_to_cpu(x) (be32_to_cpu(jffs2_to_os_mode((x).m))) |
@@ -56,6 +60,9 @@ | |||
56 | #define cpu_to_je32(x) ((jint32_t){cpu_to_le32(x)}) | 60 | #define cpu_to_je32(x) ((jint32_t){cpu_to_le32(x)}) |
57 | #define cpu_to_jemode(x) ((jmode_t){cpu_to_le32(os_to_jffs2_mode(x))}) | 61 | #define cpu_to_jemode(x) ((jmode_t){cpu_to_le32(os_to_jffs2_mode(x))}) |
58 | 62 | ||
63 | #define constant_cpu_to_je16(x) ((jint16_t){__constant_cpu_to_le16(x)}) | ||
64 | #define constant_cpu_to_je32(x) ((jint32_t){__constant_cpu_to_le32(x)}) | ||
65 | |||
59 | #define je16_to_cpu(x) (le16_to_cpu(x.v16)) | 66 | #define je16_to_cpu(x) (le16_to_cpu(x.v16)) |
60 | #define je32_to_cpu(x) (le32_to_cpu(x.v32)) | 67 | #define je32_to_cpu(x) (le32_to_cpu(x.v32)) |
61 | #define jemode_to_cpu(x) (le32_to_cpu(jffs2_to_os_mode((x).m))) | 68 | #define jemode_to_cpu(x) (le32_to_cpu(jffs2_to_os_mode((x).m))) |
@@ -216,7 +223,20 @@ struct jffs2_tmp_dnode_info | |||
216 | uint32_t version; | 223 | uint32_t version; |
217 | uint32_t data_crc; | 224 | uint32_t data_crc; |
218 | uint32_t partial_crc; | 225 | uint32_t partial_crc; |
219 | uint32_t csize; | 226 | uint16_t csize; |
227 | uint16_t overlapped; | ||
228 | }; | ||
229 | |||
230 | /* Temporary data structure used during readinode. */ | ||
231 | struct jffs2_readinode_info | ||
232 | { | ||
233 | struct rb_root tn_root; | ||
234 | struct jffs2_tmp_dnode_info *mdata_tn; | ||
235 | uint32_t highest_version; | ||
236 | uint32_t latest_mctime; | ||
237 | uint32_t mctime_ver; | ||
238 | struct jffs2_full_dirent *fds; | ||
239 | struct jffs2_raw_node_ref *latest_ref; | ||
220 | }; | 240 | }; |
221 | 241 | ||
222 | struct jffs2_full_dirent | 242 | struct jffs2_full_dirent |
@@ -319,6 +339,15 @@ static inline struct jffs2_node_frag *frag_last(struct rb_root *root) | |||
319 | #define frag_right(frag) rb_entry((frag)->rb.rb_right, struct jffs2_node_frag, rb) | 339 | #define frag_right(frag) rb_entry((frag)->rb.rb_right, struct jffs2_node_frag, rb) |
320 | #define frag_erase(frag, list) rb_erase(&frag->rb, list); | 340 | #define frag_erase(frag, list) rb_erase(&frag->rb, list); |
321 | 341 | ||
342 | #define tn_next(tn) rb_entry(rb_next(&(tn)->rb), struct jffs2_tmp_dnode_info, rb) | ||
343 | #define tn_prev(tn) rb_entry(rb_prev(&(tn)->rb), struct jffs2_tmp_dnode_info, rb) | ||
344 | #define tn_parent(tn) rb_entry(rb_parent(&(tn)->rb), struct jffs2_tmp_dnode_info, rb) | ||
345 | #define tn_left(tn) rb_entry((tn)->rb.rb_left, struct jffs2_tmp_dnode_info, rb) | ||
346 | #define tn_right(tn) rb_entry((tn)->rb.rb_right, struct jffs2_tmp_dnode_info, rb) | ||
347 | #define tn_erase(tn, list) rb_erase(&tn->rb, list); | ||
348 | #define tn_last(list) rb_entry(rb_last(list), struct jffs2_tmp_dnode_info, rb) | ||
349 | #define tn_first(list) rb_entry(rb_first(list), struct jffs2_tmp_dnode_info, rb) | ||
350 | |||
322 | /* nodelist.c */ | 351 | /* nodelist.c */ |
323 | void jffs2_add_fd_to_list(struct jffs2_sb_info *c, struct jffs2_full_dirent *new, struct jffs2_full_dirent **list); | 352 | void jffs2_add_fd_to_list(struct jffs2_sb_info *c, struct jffs2_full_dirent *new, struct jffs2_full_dirent **list); |
324 | void jffs2_set_inocache_state(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic, int state); | 353 | void jffs2_set_inocache_state(struct jffs2_sb_info *c, struct jffs2_inode_cache *ic, int state); |
@@ -333,8 +362,7 @@ struct rb_node *rb_next(struct rb_node *); | |||
333 | struct rb_node *rb_prev(struct rb_node *); | 362 | struct rb_node *rb_prev(struct rb_node *); |
334 | void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root); | 363 | void rb_replace_node(struct rb_node *victim, struct rb_node *new, struct rb_root *root); |
335 | int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_full_dnode *fn); | 364 | int jffs2_add_full_dnode_to_inode(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_full_dnode *fn); |
336 | void jffs2_truncate_fragtree (struct jffs2_sb_info *c, struct rb_root *list, uint32_t size); | 365 | uint32_t jffs2_truncate_fragtree (struct jffs2_sb_info *c, struct rb_root *list, uint32_t size); |
337 | int jffs2_add_older_frag_to_fragtree(struct jffs2_sb_info *c, struct jffs2_inode_info *f, struct jffs2_tmp_dnode_info *tn); | ||
338 | struct jffs2_raw_node_ref *jffs2_link_node_ref(struct jffs2_sb_info *c, | 366 | struct jffs2_raw_node_ref *jffs2_link_node_ref(struct jffs2_sb_info *c, |
339 | struct jffs2_eraseblock *jeb, | 367 | struct jffs2_eraseblock *jeb, |
340 | uint32_t ofs, uint32_t len, | 368 | uint32_t ofs, uint32_t len, |