diff options
Diffstat (limited to 'fs/jffs2/nodelist.h')
-rw-r--r-- | fs/jffs2/nodelist.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h index 6c92dc46fe9e..7ad8ee043880 100644 --- a/fs/jffs2/nodelist.h +++ b/fs/jffs2/nodelist.h | |||
@@ -80,7 +80,6 @@ struct jffs2_raw_node_ref | |||
80 | for this object. If this _is_ the last, it points to the inode_cache, | 80 | for this object. If this _is_ the last, it points to the inode_cache, |
81 | xattr_ref or xattr_datum instead. The common part of those structures | 81 | xattr_ref or xattr_datum instead. The common part of those structures |
82 | has NULL in the first word. See jffs2_raw_ref_to_ic() below */ | 82 | has NULL in the first word. See jffs2_raw_ref_to_ic() below */ |
83 | struct jffs2_raw_node_ref *next_phys; | ||
84 | uint32_t flash_offset; | 83 | uint32_t flash_offset; |
85 | #define TEST_TOTLEN | 84 | #define TEST_TOTLEN |
86 | #ifdef TEST_TOTLEN | 85 | #ifdef TEST_TOTLEN |
@@ -88,7 +87,29 @@ struct jffs2_raw_node_ref | |||
88 | #endif | 87 | #endif |
89 | }; | 88 | }; |
90 | 89 | ||
91 | #define ref_next(r) ((r)->next_phys) | 90 | #define REF_LINK_NODE ((int32_t)-1) |
91 | #define REF_EMPTY_NODE ((int32_t)-2) | ||
92 | |||
93 | /* Use blocks of about 256 bytes */ | ||
94 | #define REFS_PER_BLOCK ((255/sizeof(struct jffs2_raw_node_ref))-1) | ||
95 | |||
96 | static inline struct jffs2_raw_node_ref *ref_next(struct jffs2_raw_node_ref *ref) | ||
97 | { | ||
98 | ref++; | ||
99 | |||
100 | /* Link to another block of refs */ | ||
101 | if (ref->flash_offset == REF_LINK_NODE) { | ||
102 | ref = ref->next_in_ino; | ||
103 | if (!ref) | ||
104 | return ref; | ||
105 | } | ||
106 | |||
107 | /* End of chain */ | ||
108 | if (ref->flash_offset == REF_EMPTY_NODE) | ||
109 | return NULL; | ||
110 | |||
111 | return ref; | ||
112 | } | ||
92 | 113 | ||
93 | static inline struct jffs2_inode_cache *jffs2_raw_ref_to_ic(struct jffs2_raw_node_ref *raw) | 114 | static inline struct jffs2_inode_cache *jffs2_raw_ref_to_ic(struct jffs2_raw_node_ref *raw) |
94 | { | 115 | { |
@@ -234,6 +255,7 @@ struct jffs2_eraseblock | |||
234 | uint32_t wasted_size; | 255 | uint32_t wasted_size; |
235 | uint32_t free_size; /* Note that sector_size - free_size | 256 | uint32_t free_size; /* Note that sector_size - free_size |
236 | is the address of the first free space */ | 257 | is the address of the first free space */ |
258 | uint32_t allocated_refs; | ||
237 | struct jffs2_raw_node_ref *first_node; | 259 | struct jffs2_raw_node_ref *first_node; |
238 | struct jffs2_raw_node_ref *last_node; | 260 | struct jffs2_raw_node_ref *last_node; |
239 | 261 | ||
@@ -378,10 +400,9 @@ struct jffs2_raw_inode *jffs2_alloc_raw_inode(void); | |||
378 | void jffs2_free_raw_inode(struct jffs2_raw_inode *); | 400 | void jffs2_free_raw_inode(struct jffs2_raw_inode *); |
379 | struct jffs2_tmp_dnode_info *jffs2_alloc_tmp_dnode_info(void); | 401 | struct jffs2_tmp_dnode_info *jffs2_alloc_tmp_dnode_info(void); |
380 | void jffs2_free_tmp_dnode_info(struct jffs2_tmp_dnode_info *); | 402 | void jffs2_free_tmp_dnode_info(struct jffs2_tmp_dnode_info *); |
381 | int jffs2_prealloc_raw_node_refs(struct jffs2_sb_info *c, | 403 | int jffs2_prealloc_raw_node_refs(struct jffs2_sb_info *c, |
382 | struct jffs2_eraseblock *jeb, int nr); | 404 | struct jffs2_eraseblock *jeb, int nr); |
383 | struct jffs2_raw_node_ref *__jffs2_alloc_raw_node_ref(void); | 405 | void jffs2_free_refblock(struct jffs2_raw_node_ref *); |
384 | void __jffs2_free_raw_node_ref(struct jffs2_raw_node_ref *); | ||
385 | struct jffs2_node_frag *jffs2_alloc_node_frag(void); | 406 | struct jffs2_node_frag *jffs2_alloc_node_frag(void); |
386 | void jffs2_free_node_frag(struct jffs2_node_frag *); | 407 | void jffs2_free_node_frag(struct jffs2_node_frag *); |
387 | struct jffs2_inode_cache *jffs2_alloc_inode_cache(void); | 408 | struct jffs2_inode_cache *jffs2_alloc_inode_cache(void); |