diff options
Diffstat (limited to 'include/linux/reiserfs_fs_sb.h')
-rw-r--r-- | include/linux/reiserfs_fs_sb.h | 616 |
1 files changed, 306 insertions, 310 deletions
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 31c709d0fe18..3e68592e52e9 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h | |||
@@ -10,7 +10,7 @@ | |||
10 | #endif | 10 | #endif |
11 | 11 | ||
12 | typedef enum { | 12 | typedef enum { |
13 | reiserfs_attrs_cleared = 0x00000001, | 13 | reiserfs_attrs_cleared = 0x00000001, |
14 | } reiserfs_super_block_flags; | 14 | } reiserfs_super_block_flags; |
15 | 15 | ||
16 | /* struct reiserfs_super_block accessors/mutators | 16 | /* struct reiserfs_super_block accessors/mutators |
@@ -61,7 +61,7 @@ typedef enum { | |||
61 | #define sb_umount_state(sbp) (le16_to_cpu((sbp)->s_v1.s_umount_state)) | 61 | #define sb_umount_state(sbp) (le16_to_cpu((sbp)->s_v1.s_umount_state)) |
62 | #define set_sb_umount_state(sbp,v) ((sbp)->s_v1.s_umount_state = cpu_to_le16(v)) | 62 | #define set_sb_umount_state(sbp,v) ((sbp)->s_v1.s_umount_state = cpu_to_le16(v)) |
63 | #define sb_fs_state(sbp) (le16_to_cpu((sbp)->s_v1.s_fs_state)) | 63 | #define sb_fs_state(sbp) (le16_to_cpu((sbp)->s_v1.s_fs_state)) |
64 | #define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v)) | 64 | #define set_sb_fs_state(sbp,v) ((sbp)->s_v1.s_fs_state = cpu_to_le16(v)) |
65 | #define sb_hash_function_code(sbp) \ | 65 | #define sb_hash_function_code(sbp) \ |
66 | (le32_to_cpu((sbp)->s_v1.s_hash_function_code)) | 66 | (le32_to_cpu((sbp)->s_v1.s_hash_function_code)) |
67 | #define set_sb_hash_function_code(sbp,v) \ | 67 | #define set_sb_hash_function_code(sbp,v) \ |
@@ -103,10 +103,10 @@ typedef enum { | |||
103 | 103 | ||
104 | /* don't mess with these for a while */ | 104 | /* don't mess with these for a while */ |
105 | /* we have a node size define somewhere in reiserfs_fs.h. -Hans */ | 105 | /* we have a node size define somewhere in reiserfs_fs.h. -Hans */ |
106 | #define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */ | 106 | #define JOURNAL_BLOCK_SIZE 4096 /* BUG gotta get rid of this */ |
107 | #define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */ | 107 | #define JOURNAL_MAX_CNODE 1500 /* max cnodes to allocate. */ |
108 | #define JOURNAL_HASH_SIZE 8192 | 108 | #define JOURNAL_HASH_SIZE 8192 |
109 | #define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */ | 109 | #define JOURNAL_NUM_BITMAPS 5 /* number of copies of the bitmaps to have floating. Must be >= 2 */ |
110 | 110 | ||
111 | /* One of these for every block in every transaction | 111 | /* One of these for every block in every transaction |
112 | ** Each one is in two hash tables. First, a hash of the current transaction, and after journal_end, a | 112 | ** Each one is in two hash tables. First, a hash of the current transaction, and after journal_end, a |
@@ -117,27 +117,27 @@ typedef enum { | |||
117 | ** to a given transaction. | 117 | ** to a given transaction. |
118 | */ | 118 | */ |
119 | struct reiserfs_journal_cnode { | 119 | struct reiserfs_journal_cnode { |
120 | struct buffer_head *bh ; /* real buffer head */ | 120 | struct buffer_head *bh; /* real buffer head */ |
121 | struct super_block *sb ; /* dev of real buffer head */ | 121 | struct super_block *sb; /* dev of real buffer head */ |
122 | __u32 blocknr ; /* block number of real buffer head, == 0 when buffer on disk */ | 122 | __u32 blocknr; /* block number of real buffer head, == 0 when buffer on disk */ |
123 | long state ; | 123 | long state; |
124 | struct reiserfs_journal_list *jlist ; /* journal list this cnode lives in */ | 124 | struct reiserfs_journal_list *jlist; /* journal list this cnode lives in */ |
125 | struct reiserfs_journal_cnode *next ; /* next in transaction list */ | 125 | struct reiserfs_journal_cnode *next; /* next in transaction list */ |
126 | struct reiserfs_journal_cnode *prev ; /* prev in transaction list */ | 126 | struct reiserfs_journal_cnode *prev; /* prev in transaction list */ |
127 | struct reiserfs_journal_cnode *hprev ; /* prev in hash list */ | 127 | struct reiserfs_journal_cnode *hprev; /* prev in hash list */ |
128 | struct reiserfs_journal_cnode *hnext ; /* next in hash list */ | 128 | struct reiserfs_journal_cnode *hnext; /* next in hash list */ |
129 | }; | 129 | }; |
130 | 130 | ||
131 | struct reiserfs_bitmap_node { | 131 | struct reiserfs_bitmap_node { |
132 | int id ; | 132 | int id; |
133 | char *data ; | 133 | char *data; |
134 | struct list_head list ; | 134 | struct list_head list; |
135 | } ; | 135 | }; |
136 | 136 | ||
137 | struct reiserfs_list_bitmap { | 137 | struct reiserfs_list_bitmap { |
138 | struct reiserfs_journal_list *journal_list ; | 138 | struct reiserfs_journal_list *journal_list; |
139 | struct reiserfs_bitmap_node **bitmaps ; | 139 | struct reiserfs_bitmap_node **bitmaps; |
140 | } ; | 140 | }; |
141 | 141 | ||
142 | /* | 142 | /* |
143 | ** one of these for each transaction. The most important part here is the j_realblock. | 143 | ** one of these for each transaction. The most important part here is the j_realblock. |
@@ -146,273 +146,269 @@ struct reiserfs_list_bitmap { | |||
146 | ** and to make sure every real block in a transaction is on disk before allowing the log area | 146 | ** and to make sure every real block in a transaction is on disk before allowing the log area |
147 | ** to be overwritten */ | 147 | ** to be overwritten */ |
148 | struct reiserfs_journal_list { | 148 | struct reiserfs_journal_list { |
149 | unsigned long j_start ; | 149 | unsigned long j_start; |
150 | unsigned long j_state; | 150 | unsigned long j_state; |
151 | unsigned long j_len ; | 151 | unsigned long j_len; |
152 | atomic_t j_nonzerolen ; | 152 | atomic_t j_nonzerolen; |
153 | atomic_t j_commit_left ; | 153 | atomic_t j_commit_left; |
154 | atomic_t j_older_commits_done ; /* all commits older than this on disk*/ | 154 | atomic_t j_older_commits_done; /* all commits older than this on disk */ |
155 | struct semaphore j_commit_lock; | 155 | struct semaphore j_commit_lock; |
156 | unsigned long j_trans_id ; | 156 | unsigned long j_trans_id; |
157 | time_t j_timestamp ; | 157 | time_t j_timestamp; |
158 | struct reiserfs_list_bitmap *j_list_bitmap ; | 158 | struct reiserfs_list_bitmap *j_list_bitmap; |
159 | struct buffer_head *j_commit_bh ; /* commit buffer head */ | 159 | struct buffer_head *j_commit_bh; /* commit buffer head */ |
160 | struct reiserfs_journal_cnode *j_realblock ; | 160 | struct reiserfs_journal_cnode *j_realblock; |
161 | struct reiserfs_journal_cnode *j_freedlist ; /* list of buffers that were freed during this trans. free each of these on flush */ | 161 | struct reiserfs_journal_cnode *j_freedlist; /* list of buffers that were freed during this trans. free each of these on flush */ |
162 | /* time ordered list of all active transactions */ | 162 | /* time ordered list of all active transactions */ |
163 | struct list_head j_list; | 163 | struct list_head j_list; |
164 | 164 | ||
165 | /* time ordered list of all transactions we haven't tried to flush yet */ | 165 | /* time ordered list of all transactions we haven't tried to flush yet */ |
166 | struct list_head j_working_list; | 166 | struct list_head j_working_list; |
167 | 167 | ||
168 | /* list of tail conversion targets in need of flush before commit */ | 168 | /* list of tail conversion targets in need of flush before commit */ |
169 | struct list_head j_tail_bh_list; | 169 | struct list_head j_tail_bh_list; |
170 | /* list of data=ordered buffers in need of flush before commit */ | 170 | /* list of data=ordered buffers in need of flush before commit */ |
171 | struct list_head j_bh_list; | 171 | struct list_head j_bh_list; |
172 | int j_refcount; | 172 | int j_refcount; |
173 | } ; | 173 | }; |
174 | 174 | ||
175 | struct reiserfs_journal { | 175 | struct reiserfs_journal { |
176 | struct buffer_head ** j_ap_blocks ; /* journal blocks on disk */ | 176 | struct buffer_head **j_ap_blocks; /* journal blocks on disk */ |
177 | struct reiserfs_journal_cnode *j_last ; /* newest journal block */ | 177 | struct reiserfs_journal_cnode *j_last; /* newest journal block */ |
178 | struct reiserfs_journal_cnode *j_first ; /* oldest journal block. start here for traverse */ | 178 | struct reiserfs_journal_cnode *j_first; /* oldest journal block. start here for traverse */ |
179 | 179 | ||
180 | struct file *j_dev_file; | 180 | struct file *j_dev_file; |
181 | struct block_device *j_dev_bd; | 181 | struct block_device *j_dev_bd; |
182 | int j_1st_reserved_block; /* first block on s_dev of reserved area journal */ | 182 | int j_1st_reserved_block; /* first block on s_dev of reserved area journal */ |
183 | 183 | ||
184 | long j_state ; | 184 | long j_state; |
185 | unsigned long j_trans_id ; | 185 | unsigned long j_trans_id; |
186 | unsigned long j_mount_id ; | 186 | unsigned long j_mount_id; |
187 | unsigned long j_start ; /* start of current waiting commit (index into j_ap_blocks) */ | 187 | unsigned long j_start; /* start of current waiting commit (index into j_ap_blocks) */ |
188 | unsigned long j_len ; /* lenght of current waiting commit */ | 188 | unsigned long j_len; /* lenght of current waiting commit */ |
189 | unsigned long j_len_alloc ; /* number of buffers requested by journal_begin() */ | 189 | unsigned long j_len_alloc; /* number of buffers requested by journal_begin() */ |
190 | atomic_t j_wcount ; /* count of writers for current commit */ | 190 | atomic_t j_wcount; /* count of writers for current commit */ |
191 | unsigned long j_bcount ; /* batch count. allows turning X transactions into 1 */ | 191 | unsigned long j_bcount; /* batch count. allows turning X transactions into 1 */ |
192 | unsigned long j_first_unflushed_offset ; /* first unflushed transactions offset */ | 192 | unsigned long j_first_unflushed_offset; /* first unflushed transactions offset */ |
193 | unsigned long j_last_flush_trans_id ; /* last fully flushed journal timestamp */ | 193 | unsigned long j_last_flush_trans_id; /* last fully flushed journal timestamp */ |
194 | struct buffer_head *j_header_bh ; | 194 | struct buffer_head *j_header_bh; |
195 | 195 | ||
196 | time_t j_trans_start_time ; /* time this transaction started */ | 196 | time_t j_trans_start_time; /* time this transaction started */ |
197 | struct semaphore j_lock; | 197 | struct semaphore j_lock; |
198 | struct semaphore j_flush_sem; | 198 | struct semaphore j_flush_sem; |
199 | wait_queue_head_t j_join_wait ; /* wait for current transaction to finish before starting new one */ | 199 | wait_queue_head_t j_join_wait; /* wait for current transaction to finish before starting new one */ |
200 | atomic_t j_jlock ; /* lock for j_join_wait */ | 200 | atomic_t j_jlock; /* lock for j_join_wait */ |
201 | int j_list_bitmap_index ; /* number of next list bitmap to use */ | 201 | int j_list_bitmap_index; /* number of next list bitmap to use */ |
202 | int j_must_wait ; /* no more journal begins allowed. MUST sleep on j_join_wait */ | 202 | int j_must_wait; /* no more journal begins allowed. MUST sleep on j_join_wait */ |
203 | int j_next_full_flush ; /* next journal_end will flush all journal list */ | 203 | int j_next_full_flush; /* next journal_end will flush all journal list */ |
204 | int j_next_async_flush ; /* next journal_end will flush all async commits */ | 204 | int j_next_async_flush; /* next journal_end will flush all async commits */ |
205 | 205 | ||
206 | int j_cnode_used ; /* number of cnodes on the used list */ | 206 | int j_cnode_used; /* number of cnodes on the used list */ |
207 | int j_cnode_free ; /* number of cnodes on the free list */ | 207 | int j_cnode_free; /* number of cnodes on the free list */ |
208 | 208 | ||
209 | unsigned int j_trans_max ; /* max number of blocks in a transaction. */ | 209 | unsigned int j_trans_max; /* max number of blocks in a transaction. */ |
210 | unsigned int j_max_batch ; /* max number of blocks to batch into a trans */ | 210 | unsigned int j_max_batch; /* max number of blocks to batch into a trans */ |
211 | unsigned int j_max_commit_age ; /* in seconds, how old can an async commit be */ | 211 | unsigned int j_max_commit_age; /* in seconds, how old can an async commit be */ |
212 | unsigned int j_max_trans_age ; /* in seconds, how old can a transaction be */ | 212 | unsigned int j_max_trans_age; /* in seconds, how old can a transaction be */ |
213 | unsigned int j_default_max_commit_age ; /* the default for the max commit age */ | 213 | unsigned int j_default_max_commit_age; /* the default for the max commit age */ |
214 | 214 | ||
215 | struct reiserfs_journal_cnode *j_cnode_free_list ; | 215 | struct reiserfs_journal_cnode *j_cnode_free_list; |
216 | struct reiserfs_journal_cnode *j_cnode_free_orig ; /* orig pointer returned from vmalloc */ | 216 | struct reiserfs_journal_cnode *j_cnode_free_orig; /* orig pointer returned from vmalloc */ |
217 | 217 | ||
218 | struct reiserfs_journal_list *j_current_jl; | 218 | struct reiserfs_journal_list *j_current_jl; |
219 | int j_free_bitmap_nodes ; | 219 | int j_free_bitmap_nodes; |
220 | int j_used_bitmap_nodes ; | 220 | int j_used_bitmap_nodes; |
221 | 221 | ||
222 | int j_num_lists; /* total number of active transactions */ | 222 | int j_num_lists; /* total number of active transactions */ |
223 | int j_num_work_lists; /* number that need attention from kreiserfsd */ | 223 | int j_num_work_lists; /* number that need attention from kreiserfsd */ |
224 | 224 | ||
225 | /* debugging to make sure things are flushed in order */ | 225 | /* debugging to make sure things are flushed in order */ |
226 | int j_last_flush_id; | 226 | int j_last_flush_id; |
227 | 227 | ||
228 | /* debugging to make sure things are committed in order */ | 228 | /* debugging to make sure things are committed in order */ |
229 | int j_last_commit_id; | 229 | int j_last_commit_id; |
230 | 230 | ||
231 | struct list_head j_bitmap_nodes ; | 231 | struct list_head j_bitmap_nodes; |
232 | struct list_head j_dirty_buffers ; | 232 | struct list_head j_dirty_buffers; |
233 | spinlock_t j_dirty_buffers_lock ; /* protects j_dirty_buffers */ | 233 | spinlock_t j_dirty_buffers_lock; /* protects j_dirty_buffers */ |
234 | 234 | ||
235 | /* list of all active transactions */ | 235 | /* list of all active transactions */ |
236 | struct list_head j_journal_list; | 236 | struct list_head j_journal_list; |
237 | /* lists that haven't been touched by writeback attempts */ | 237 | /* lists that haven't been touched by writeback attempts */ |
238 | struct list_head j_working_list; | 238 | struct list_head j_working_list; |
239 | 239 | ||
240 | struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS] ; /* array of bitmaps to record the deleted blocks */ | 240 | struct reiserfs_list_bitmap j_list_bitmap[JOURNAL_NUM_BITMAPS]; /* array of bitmaps to record the deleted blocks */ |
241 | struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for real buffer heads in current trans */ | 241 | struct reiserfs_journal_cnode *j_hash_table[JOURNAL_HASH_SIZE]; /* hash table for real buffer heads in current trans */ |
242 | struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE] ; /* hash table for all the real buffer heads in all | 242 | struct reiserfs_journal_cnode *j_list_hash_table[JOURNAL_HASH_SIZE]; /* hash table for all the real buffer heads in all |
243 | the transactions */ | 243 | the transactions */ |
244 | struct list_head j_prealloc_list; /* list of inodes which have preallocated blocks */ | 244 | struct list_head j_prealloc_list; /* list of inodes which have preallocated blocks */ |
245 | int j_persistent_trans; | 245 | int j_persistent_trans; |
246 | unsigned long j_max_trans_size ; | 246 | unsigned long j_max_trans_size; |
247 | unsigned long j_max_batch_size ; | 247 | unsigned long j_max_batch_size; |
248 | 248 | ||
249 | int j_errno; | 249 | int j_errno; |
250 | 250 | ||
251 | /* when flushing ordered buffers, throttle new ordered writers */ | 251 | /* when flushing ordered buffers, throttle new ordered writers */ |
252 | struct work_struct j_work; | 252 | struct work_struct j_work; |
253 | atomic_t j_async_throttle; | 253 | atomic_t j_async_throttle; |
254 | }; | 254 | }; |
255 | 255 | ||
256 | enum journal_state_bits { | 256 | enum journal_state_bits { |
257 | J_WRITERS_BLOCKED = 1, /* set when new writers not allowed */ | 257 | J_WRITERS_BLOCKED = 1, /* set when new writers not allowed */ |
258 | J_WRITERS_QUEUED, /* set when log is full due to too many writers */ | 258 | J_WRITERS_QUEUED, /* set when log is full due to too many writers */ |
259 | J_ABORTED, /* set when log is aborted */ | 259 | J_ABORTED, /* set when log is aborted */ |
260 | }; | 260 | }; |
261 | 261 | ||
262 | #define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */ | ||
262 | 263 | ||
263 | #define JOURNAL_DESC_MAGIC "ReIsErLB" /* ick. magic string to find desc blocks in the journal */ | 264 | typedef __u32(*hashf_t) (const signed char *, int); |
264 | 265 | ||
265 | typedef __u32 (*hashf_t) (const signed char *, int); | 266 | struct reiserfs_bitmap_info { |
266 | 267 | // FIXME: Won't work with block sizes > 8K | |
267 | struct reiserfs_bitmap_info | 268 | __u16 first_zero_hint; |
268 | { | 269 | __u16 free_count; |
269 | // FIXME: Won't work with block sizes > 8K | 270 | struct buffer_head *bh; /* the actual bitmap */ |
270 | __u16 first_zero_hint; | ||
271 | __u16 free_count; | ||
272 | struct buffer_head *bh; /* the actual bitmap */ | ||
273 | }; | 271 | }; |
274 | 272 | ||
275 | struct proc_dir_entry; | 273 | struct proc_dir_entry; |
276 | 274 | ||
277 | #if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO ) | 275 | #if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO ) |
278 | typedef unsigned long int stat_cnt_t; | 276 | typedef unsigned long int stat_cnt_t; |
279 | typedef struct reiserfs_proc_info_data | 277 | typedef struct reiserfs_proc_info_data { |
280 | { | 278 | spinlock_t lock; |
281 | spinlock_t lock; | 279 | int exiting; |
282 | int exiting; | 280 | int max_hash_collisions; |
283 | int max_hash_collisions; | 281 | |
284 | 282 | stat_cnt_t breads; | |
285 | stat_cnt_t breads; | 283 | stat_cnt_t bread_miss; |
286 | stat_cnt_t bread_miss; | 284 | stat_cnt_t search_by_key; |
287 | stat_cnt_t search_by_key; | 285 | stat_cnt_t search_by_key_fs_changed; |
288 | stat_cnt_t search_by_key_fs_changed; | 286 | stat_cnt_t search_by_key_restarted; |
289 | stat_cnt_t search_by_key_restarted; | 287 | |
290 | 288 | stat_cnt_t insert_item_restarted; | |
291 | stat_cnt_t insert_item_restarted; | 289 | stat_cnt_t paste_into_item_restarted; |
292 | stat_cnt_t paste_into_item_restarted; | 290 | stat_cnt_t cut_from_item_restarted; |
293 | stat_cnt_t cut_from_item_restarted; | 291 | stat_cnt_t delete_solid_item_restarted; |
294 | stat_cnt_t delete_solid_item_restarted; | 292 | stat_cnt_t delete_item_restarted; |
295 | stat_cnt_t delete_item_restarted; | 293 | |
296 | 294 | stat_cnt_t leaked_oid; | |
297 | stat_cnt_t leaked_oid; | 295 | stat_cnt_t leaves_removable; |
298 | stat_cnt_t leaves_removable; | 296 | |
299 | 297 | /* balances per level. Use explicit 5 as MAX_HEIGHT is not visible yet. */ | |
300 | /* balances per level. Use explicit 5 as MAX_HEIGHT is not visible yet. */ | 298 | stat_cnt_t balance_at[5]; /* XXX */ |
301 | stat_cnt_t balance_at[ 5 ]; /* XXX */ | 299 | /* sbk == search_by_key */ |
302 | /* sbk == search_by_key */ | 300 | stat_cnt_t sbk_read_at[5]; /* XXX */ |
303 | stat_cnt_t sbk_read_at[ 5 ]; /* XXX */ | 301 | stat_cnt_t sbk_fs_changed[5]; |
304 | stat_cnt_t sbk_fs_changed[ 5 ]; | 302 | stat_cnt_t sbk_restarted[5]; |
305 | stat_cnt_t sbk_restarted[ 5 ]; | 303 | stat_cnt_t items_at[5]; /* XXX */ |
306 | stat_cnt_t items_at[ 5 ]; /* XXX */ | 304 | stat_cnt_t free_at[5]; /* XXX */ |
307 | stat_cnt_t free_at[ 5 ]; /* XXX */ | 305 | stat_cnt_t can_node_be_removed[5]; /* XXX */ |
308 | stat_cnt_t can_node_be_removed[ 5 ]; /* XXX */ | 306 | long int lnum[5]; /* XXX */ |
309 | long int lnum[ 5 ]; /* XXX */ | 307 | long int rnum[5]; /* XXX */ |
310 | long int rnum[ 5 ]; /* XXX */ | 308 | long int lbytes[5]; /* XXX */ |
311 | long int lbytes[ 5 ]; /* XXX */ | 309 | long int rbytes[5]; /* XXX */ |
312 | long int rbytes[ 5 ]; /* XXX */ | 310 | stat_cnt_t get_neighbors[5]; |
313 | stat_cnt_t get_neighbors[ 5 ]; | 311 | stat_cnt_t get_neighbors_restart[5]; |
314 | stat_cnt_t get_neighbors_restart[ 5 ]; | 312 | stat_cnt_t need_l_neighbor[5]; |
315 | stat_cnt_t need_l_neighbor[ 5 ]; | 313 | stat_cnt_t need_r_neighbor[5]; |
316 | stat_cnt_t need_r_neighbor[ 5 ]; | 314 | |
317 | 315 | stat_cnt_t free_block; | |
318 | stat_cnt_t free_block; | 316 | struct __scan_bitmap_stats { |
319 | struct __scan_bitmap_stats { | 317 | stat_cnt_t call; |
320 | stat_cnt_t call; | 318 | stat_cnt_t wait; |
321 | stat_cnt_t wait; | 319 | stat_cnt_t bmap; |
322 | stat_cnt_t bmap; | 320 | stat_cnt_t retry; |
323 | stat_cnt_t retry; | 321 | stat_cnt_t in_journal_hint; |
324 | stat_cnt_t in_journal_hint; | 322 | stat_cnt_t in_journal_nohint; |
325 | stat_cnt_t in_journal_nohint; | 323 | stat_cnt_t stolen; |
326 | stat_cnt_t stolen; | 324 | } scan_bitmap; |
327 | } scan_bitmap; | 325 | struct __journal_stats { |
328 | struct __journal_stats { | 326 | stat_cnt_t in_journal; |
329 | stat_cnt_t in_journal; | 327 | stat_cnt_t in_journal_bitmap; |
330 | stat_cnt_t in_journal_bitmap; | 328 | stat_cnt_t in_journal_reusable; |
331 | stat_cnt_t in_journal_reusable; | 329 | stat_cnt_t lock_journal; |
332 | stat_cnt_t lock_journal; | 330 | stat_cnt_t lock_journal_wait; |
333 | stat_cnt_t lock_journal_wait; | 331 | stat_cnt_t journal_being; |
334 | stat_cnt_t journal_being; | 332 | stat_cnt_t journal_relock_writers; |
335 | stat_cnt_t journal_relock_writers; | 333 | stat_cnt_t journal_relock_wcount; |
336 | stat_cnt_t journal_relock_wcount; | 334 | stat_cnt_t mark_dirty; |
337 | stat_cnt_t mark_dirty; | 335 | stat_cnt_t mark_dirty_already; |
338 | stat_cnt_t mark_dirty_already; | 336 | stat_cnt_t mark_dirty_notjournal; |
339 | stat_cnt_t mark_dirty_notjournal; | 337 | stat_cnt_t restore_prepared; |
340 | stat_cnt_t restore_prepared; | 338 | stat_cnt_t prepare; |
341 | stat_cnt_t prepare; | 339 | stat_cnt_t prepare_retry; |
342 | stat_cnt_t prepare_retry; | 340 | } journal; |
343 | } journal; | ||
344 | } reiserfs_proc_info_data_t; | 341 | } reiserfs_proc_info_data_t; |
345 | #else | 342 | #else |
346 | typedef struct reiserfs_proc_info_data | 343 | typedef struct reiserfs_proc_info_data { |
347 | {} reiserfs_proc_info_data_t; | 344 | } reiserfs_proc_info_data_t; |
348 | #endif | 345 | #endif |
349 | 346 | ||
350 | /* reiserfs union of in-core super block data */ | 347 | /* reiserfs union of in-core super block data */ |
351 | struct reiserfs_sb_info | 348 | struct reiserfs_sb_info { |
352 | { | 349 | struct buffer_head *s_sbh; /* Buffer containing the super block */ |
353 | struct buffer_head * s_sbh; /* Buffer containing the super block */ | 350 | /* both the comment and the choice of |
354 | /* both the comment and the choice of | 351 | name are unclear for s_rs -Hans */ |
355 | name are unclear for s_rs -Hans */ | 352 | struct reiserfs_super_block *s_rs; /* Pointer to the super block in the buffer */ |
356 | struct reiserfs_super_block * s_rs; /* Pointer to the super block in the buffer */ | 353 | struct reiserfs_bitmap_info *s_ap_bitmap; |
357 | struct reiserfs_bitmap_info * s_ap_bitmap; | 354 | struct reiserfs_journal *s_journal; /* pointer to journal information */ |
358 | struct reiserfs_journal *s_journal ; /* pointer to journal information */ | 355 | unsigned short s_mount_state; /* reiserfs state (valid, invalid) */ |
359 | unsigned short s_mount_state; /* reiserfs state (valid, invalid) */ | 356 | |
360 | 357 | /* Comment? -Hans */ | |
361 | /* Comment? -Hans */ | 358 | void (*end_io_handler) (struct buffer_head *, int); |
362 | void (*end_io_handler)(struct buffer_head *, int); | 359 | hashf_t s_hash_function; /* pointer to function which is used |
363 | hashf_t s_hash_function; /* pointer to function which is used | 360 | to sort names in directory. Set on |
364 | to sort names in directory. Set on | 361 | mount */ |
365 | mount */ | 362 | unsigned long s_mount_opt; /* reiserfs's mount options are set |
366 | unsigned long s_mount_opt; /* reiserfs's mount options are set | 363 | here (currently - NOTAIL, NOLOG, |
367 | here (currently - NOTAIL, NOLOG, | 364 | REPLAYONLY) */ |
368 | REPLAYONLY) */ | 365 | |
369 | 366 | struct { /* This is a structure that describes block allocator options */ | |
370 | struct { /* This is a structure that describes block allocator options */ | 367 | unsigned long bits; /* Bitfield for enable/disable kind of options */ |
371 | unsigned long bits; /* Bitfield for enable/disable kind of options */ | 368 | unsigned long large_file_size; /* size started from which we consider file to be a large one(in blocks) */ |
372 | unsigned long large_file_size; /* size started from which we consider file to be a large one(in blocks) */ | 369 | int border; /* percentage of disk, border takes */ |
373 | int border; /* percentage of disk, border takes */ | 370 | int preallocmin; /* Minimal file size (in blocks) starting from which we do preallocations */ |
374 | int preallocmin; /* Minimal file size (in blocks) starting from which we do preallocations */ | 371 | int preallocsize; /* Number of blocks we try to prealloc when file |
375 | int preallocsize; /* Number of blocks we try to prealloc when file | 372 | reaches preallocmin size (in blocks) or |
376 | reaches preallocmin size (in blocks) or | 373 | prealloc_list is empty. */ |
377 | prealloc_list is empty. */ | 374 | } s_alloc_options; |
378 | } s_alloc_options; | 375 | |
379 | 376 | /* Comment? -Hans */ | |
380 | /* Comment? -Hans */ | 377 | wait_queue_head_t s_wait; |
381 | wait_queue_head_t s_wait; | 378 | /* To be obsoleted soon by per buffer seals.. -Hans */ |
382 | /* To be obsoleted soon by per buffer seals.. -Hans */ | 379 | atomic_t s_generation_counter; // increased by one every time the |
383 | atomic_t s_generation_counter; // increased by one every time the | 380 | // tree gets re-balanced |
384 | // tree gets re-balanced | 381 | unsigned long s_properties; /* File system properties. Currently holds |
385 | unsigned long s_properties; /* File system properties. Currently holds | 382 | on-disk FS format */ |
386 | on-disk FS format */ | 383 | |
387 | 384 | /* session statistics */ | |
388 | /* session statistics */ | 385 | int s_kmallocs; |
389 | int s_kmallocs; | 386 | int s_disk_reads; |
390 | int s_disk_reads; | 387 | int s_disk_writes; |
391 | int s_disk_writes; | 388 | int s_fix_nodes; |
392 | int s_fix_nodes; | 389 | int s_do_balance; |
393 | int s_do_balance; | 390 | int s_unneeded_left_neighbor; |
394 | int s_unneeded_left_neighbor; | 391 | int s_good_search_by_key_reada; |
395 | int s_good_search_by_key_reada; | 392 | int s_bmaps; |
396 | int s_bmaps; | 393 | int s_bmaps_without_search; |
397 | int s_bmaps_without_search; | 394 | int s_direct2indirect; |
398 | int s_direct2indirect; | 395 | int s_indirect2direct; |
399 | int s_indirect2direct; | ||
400 | /* set up when it's ok for reiserfs_read_inode2() to read from | 396 | /* set up when it's ok for reiserfs_read_inode2() to read from |
401 | disk inode with nlink==0. Currently this is only used during | 397 | disk inode with nlink==0. Currently this is only used during |
402 | finish_unfinished() processing at mount time */ | 398 | finish_unfinished() processing at mount time */ |
403 | int s_is_unlinked_ok; | 399 | int s_is_unlinked_ok; |
404 | reiserfs_proc_info_data_t s_proc_info_data; | 400 | reiserfs_proc_info_data_t s_proc_info_data; |
405 | struct proc_dir_entry *procdir; | 401 | struct proc_dir_entry *procdir; |
406 | int reserved_blocks; /* amount of blocks reserved for further allocations */ | 402 | int reserved_blocks; /* amount of blocks reserved for further allocations */ |
407 | spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */ | 403 | spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */ |
408 | struct dentry *priv_root; /* root of /.reiserfs_priv */ | 404 | struct dentry *priv_root; /* root of /.reiserfs_priv */ |
409 | struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */ | 405 | struct dentry *xattr_root; /* root of /.reiserfs_priv/.xa */ |
410 | struct rw_semaphore xattr_dir_sem; | 406 | struct rw_semaphore xattr_dir_sem; |
411 | 407 | ||
412 | int j_errno; | 408 | int j_errno; |
413 | #ifdef CONFIG_QUOTA | 409 | #ifdef CONFIG_QUOTA |
414 | char *s_qf_names[MAXQUOTAS]; | 410 | char *s_qf_names[MAXQUOTAS]; |
415 | int s_jquota_fmt; | 411 | int s_jquota_fmt; |
416 | #endif | 412 | #endif |
417 | }; | 413 | }; |
418 | 414 | ||
@@ -422,14 +418,14 @@ struct reiserfs_sb_info | |||
422 | 418 | ||
423 | enum reiserfs_mount_options { | 419 | enum reiserfs_mount_options { |
424 | /* Mount options */ | 420 | /* Mount options */ |
425 | REISERFS_LARGETAIL, /* large tails will be created in a session */ | 421 | REISERFS_LARGETAIL, /* large tails will be created in a session */ |
426 | REISERFS_SMALLTAIL, /* small (for files less than block size) tails will be created in a session */ | 422 | REISERFS_SMALLTAIL, /* small (for files less than block size) tails will be created in a session */ |
427 | REPLAYONLY, /* replay journal and return 0. Use by fsck */ | 423 | REPLAYONLY, /* replay journal and return 0. Use by fsck */ |
428 | REISERFS_CONVERT, /* -o conv: causes conversion of old | 424 | REISERFS_CONVERT, /* -o conv: causes conversion of old |
429 | format super block to the new | 425 | format super block to the new |
430 | format. If not specified - old | 426 | format. If not specified - old |
431 | partition will be dealt with in a | 427 | partition will be dealt with in a |
432 | manner of 3.5.x */ | 428 | manner of 3.5.x */ |
433 | 429 | ||
434 | /* -o hash={tea, rupasov, r5, detect} is meant for properly mounting | 430 | /* -o hash={tea, rupasov, r5, detect} is meant for properly mounting |
435 | ** reiserfs disks from 3.5.19 or earlier. 99% of the time, this option | 431 | ** reiserfs disks from 3.5.19 or earlier. 99% of the time, this option |
@@ -439,41 +435,41 @@ enum reiserfs_mount_options { | |||
439 | ** the existing hash on the FS, so if you have a tea hash disk, and mount | 435 | ** the existing hash on the FS, so if you have a tea hash disk, and mount |
440 | ** with -o hash=rupasov, the mount will fail. | 436 | ** with -o hash=rupasov, the mount will fail. |
441 | */ | 437 | */ |
442 | FORCE_TEA_HASH, /* try to force tea hash on mount */ | 438 | FORCE_TEA_HASH, /* try to force tea hash on mount */ |
443 | FORCE_RUPASOV_HASH, /* try to force rupasov hash on mount */ | 439 | FORCE_RUPASOV_HASH, /* try to force rupasov hash on mount */ |
444 | FORCE_R5_HASH, /* try to force rupasov hash on mount */ | 440 | FORCE_R5_HASH, /* try to force rupasov hash on mount */ |
445 | FORCE_HASH_DETECT, /* try to detect hash function on mount */ | 441 | FORCE_HASH_DETECT, /* try to detect hash function on mount */ |
446 | 442 | ||
447 | REISERFS_DATA_LOG, | 443 | REISERFS_DATA_LOG, |
448 | REISERFS_DATA_ORDERED, | 444 | REISERFS_DATA_ORDERED, |
449 | REISERFS_DATA_WRITEBACK, | 445 | REISERFS_DATA_WRITEBACK, |
450 | 446 | ||
451 | /* used for testing experimental features, makes benchmarking new | 447 | /* used for testing experimental features, makes benchmarking new |
452 | features with and without more convenient, should never be used by | 448 | features with and without more convenient, should never be used by |
453 | users in any code shipped to users (ideally) */ | 449 | users in any code shipped to users (ideally) */ |
454 | 450 | ||
455 | REISERFS_NO_BORDER, | 451 | REISERFS_NO_BORDER, |
456 | REISERFS_NO_UNHASHED_RELOCATION, | 452 | REISERFS_NO_UNHASHED_RELOCATION, |
457 | REISERFS_HASHED_RELOCATION, | 453 | REISERFS_HASHED_RELOCATION, |
458 | REISERFS_ATTRS, | 454 | REISERFS_ATTRS, |
459 | REISERFS_XATTRS, | 455 | REISERFS_XATTRS, |
460 | REISERFS_XATTRS_USER, | 456 | REISERFS_XATTRS_USER, |
461 | REISERFS_POSIXACL, | 457 | REISERFS_POSIXACL, |
462 | REISERFS_BARRIER_NONE, | 458 | REISERFS_BARRIER_NONE, |
463 | REISERFS_BARRIER_FLUSH, | 459 | REISERFS_BARRIER_FLUSH, |
464 | 460 | ||
465 | /* Actions on error */ | 461 | /* Actions on error */ |
466 | REISERFS_ERROR_PANIC, | 462 | REISERFS_ERROR_PANIC, |
467 | REISERFS_ERROR_RO, | 463 | REISERFS_ERROR_RO, |
468 | REISERFS_ERROR_CONTINUE, | 464 | REISERFS_ERROR_CONTINUE, |
469 | 465 | ||
470 | REISERFS_QUOTA, /* Some quota option specified */ | 466 | REISERFS_QUOTA, /* Some quota option specified */ |
471 | 467 | ||
472 | REISERFS_TEST1, | 468 | REISERFS_TEST1, |
473 | REISERFS_TEST2, | 469 | REISERFS_TEST2, |
474 | REISERFS_TEST3, | 470 | REISERFS_TEST3, |
475 | REISERFS_TEST4, | 471 | REISERFS_TEST4, |
476 | REISERFS_UNSUPPORTED_OPT, | 472 | REISERFS_UNSUPPORTED_OPT, |
477 | }; | 473 | }; |
478 | 474 | ||
479 | #define reiserfs_r5_hash(s) (REISERFS_SB(s)->s_mount_opt & (1 << FORCE_R5_HASH)) | 475 | #define reiserfs_r5_hash(s) (REISERFS_SB(s)->s_mount_opt & (1 << FORCE_R5_HASH)) |
@@ -504,18 +500,17 @@ enum reiserfs_mount_options { | |||
504 | #define reiserfs_error_panic(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_PANIC)) | 500 | #define reiserfs_error_panic(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_PANIC)) |
505 | #define reiserfs_error_ro(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_RO)) | 501 | #define reiserfs_error_ro(s) (REISERFS_SB(s)->s_mount_opt & (1 << REISERFS_ERROR_RO)) |
506 | 502 | ||
507 | void reiserfs_file_buffer (struct buffer_head * bh, int list); | 503 | void reiserfs_file_buffer(struct buffer_head *bh, int list); |
508 | extern struct file_system_type reiserfs_fs_type; | 504 | extern struct file_system_type reiserfs_fs_type; |
509 | int reiserfs_resize(struct super_block *, unsigned long) ; | 505 | int reiserfs_resize(struct super_block *, unsigned long); |
510 | 506 | ||
511 | #define CARRY_ON 0 | 507 | #define CARRY_ON 0 |
512 | #define SCHEDULE_OCCURRED 1 | 508 | #define SCHEDULE_OCCURRED 1 |
513 | 509 | ||
514 | |||
515 | #define SB_BUFFER_WITH_SB(s) (REISERFS_SB(s)->s_sbh) | 510 | #define SB_BUFFER_WITH_SB(s) (REISERFS_SB(s)->s_sbh) |
516 | #define SB_JOURNAL(s) (REISERFS_SB(s)->s_journal) | 511 | #define SB_JOURNAL(s) (REISERFS_SB(s)->s_journal) |
517 | #define SB_JOURNAL_1st_RESERVED_BLOCK(s) (SB_JOURNAL(s)->j_1st_reserved_block) | 512 | #define SB_JOURNAL_1st_RESERVED_BLOCK(s) (SB_JOURNAL(s)->j_1st_reserved_block) |
518 | #define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free) | 513 | #define SB_JOURNAL_LEN_FREE(s) (SB_JOURNAL(s)->j_journal_len_free) |
519 | #define SB_AP_BITMAP(s) (REISERFS_SB(s)->s_ap_bitmap) | 514 | #define SB_AP_BITMAP(s) (REISERFS_SB(s)->s_ap_bitmap) |
520 | 515 | ||
521 | #define SB_DISK_JOURNAL_HEAD(s) (SB_JOURNAL(s)->j_header_bh->) | 516 | #define SB_DISK_JOURNAL_HEAD(s) (SB_JOURNAL(s)->j_header_bh->) |
@@ -525,13 +520,14 @@ int reiserfs_resize(struct super_block *, unsigned long) ; | |||
525 | */ | 520 | */ |
526 | static inline char *reiserfs_bdevname(struct super_block *s) | 521 | static inline char *reiserfs_bdevname(struct super_block *s) |
527 | { | 522 | { |
528 | return (s == NULL) ? "Null superblock" : s -> s_id; | 523 | return (s == NULL) ? "Null superblock" : s->s_id; |
529 | } | 524 | } |
530 | 525 | ||
531 | #define reiserfs_is_journal_aborted(journal) (unlikely (__reiserfs_is_journal_aborted (journal))) | 526 | #define reiserfs_is_journal_aborted(journal) (unlikely (__reiserfs_is_journal_aborted (journal))) |
532 | static inline int __reiserfs_is_journal_aborted (struct reiserfs_journal *journal) | 527 | static inline int __reiserfs_is_journal_aborted(struct reiserfs_journal |
528 | *journal) | ||
533 | { | 529 | { |
534 | return test_bit (J_ABORTED, &journal->j_state); | 530 | return test_bit(J_ABORTED, &journal->j_state); |
535 | } | 531 | } |
536 | 532 | ||
537 | #endif /* _LINUX_REISER_FS_SB */ | 533 | #endif /* _LINUX_REISER_FS_SB */ |