aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--fs/reiserfs/procfs.c99
-rw-r--r--fs/reiserfs/super.c3
2 files changed, 20 insertions, 82 deletions
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index 33532f79b4f7..a958444a75fc 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -19,12 +19,13 @@
19/* 19/*
20 * LOCKING: 20 * LOCKING:
21 * 21 *
22 * We rely on new Alexander Viro's super-block locking. 22 * These guys are evicted from procfs as the very first step in ->kill_sb().
23 * 23 *
24 */ 24 */
25 25
26static int show_version(struct seq_file *m, struct super_block *sb) 26static int show_version(struct seq_file *m, void *unused)
27{ 27{
28 struct super_block *sb = m->private;
28 char *format; 29 char *format;
29 30
30 if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) { 31 if (REISERFS_SB(sb)->s_properties & (1 << REISERFS_3_6)) {
@@ -66,8 +67,9 @@ static int show_version(struct seq_file *m, struct super_block *sb)
66#define DJP( x ) le32_to_cpu( jp -> x ) 67#define DJP( x ) le32_to_cpu( jp -> x )
67#define JF( x ) ( r -> s_journal -> x ) 68#define JF( x ) ( r -> s_journal -> x )
68 69
69static int show_super(struct seq_file *m, struct super_block *sb) 70static int show_super(struct seq_file *m, void *unused)
70{ 71{
72 struct super_block *sb = m->private;
71 struct reiserfs_sb_info *r = REISERFS_SB(sb); 73 struct reiserfs_sb_info *r = REISERFS_SB(sb);
72 74
73 seq_printf(m, "state: \t%s\n" 75 seq_printf(m, "state: \t%s\n"
@@ -128,8 +130,9 @@ static int show_super(struct seq_file *m, struct super_block *sb)
128 return 0; 130 return 0;
129} 131}
130 132
131static int show_per_level(struct seq_file *m, struct super_block *sb) 133static int show_per_level(struct seq_file *m, void *unused)
132{ 134{
135 struct super_block *sb = m->private;
133 struct reiserfs_sb_info *r = REISERFS_SB(sb); 136 struct reiserfs_sb_info *r = REISERFS_SB(sb);
134 int level; 137 int level;
135 138
@@ -186,8 +189,9 @@ static int show_per_level(struct seq_file *m, struct super_block *sb)
186 return 0; 189 return 0;
187} 190}
188 191
189static int show_bitmap(struct seq_file *m, struct super_block *sb) 192static int show_bitmap(struct seq_file *m, void *unused)
190{ 193{
194 struct super_block *sb = m->private;
191 struct reiserfs_sb_info *r = REISERFS_SB(sb); 195 struct reiserfs_sb_info *r = REISERFS_SB(sb);
192 196
193 seq_printf(m, "free_block: %lu\n" 197 seq_printf(m, "free_block: %lu\n"
@@ -218,8 +222,9 @@ static int show_bitmap(struct seq_file *m, struct super_block *sb)
218 return 0; 222 return 0;
219} 223}
220 224
221static int show_on_disk_super(struct seq_file *m, struct super_block *sb) 225static int show_on_disk_super(struct seq_file *m, void *unused)
222{ 226{
227 struct super_block *sb = m->private;
223 struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 228 struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
224 struct reiserfs_super_block *rs = sb_info->s_rs; 229 struct reiserfs_super_block *rs = sb_info->s_rs;
225 int hash_code = DFL(s_hash_function_code); 230 int hash_code = DFL(s_hash_function_code);
@@ -261,8 +266,9 @@ static int show_on_disk_super(struct seq_file *m, struct super_block *sb)
261 return 0; 266 return 0;
262} 267}
263 268
264static int show_oidmap(struct seq_file *m, struct super_block *sb) 269static int show_oidmap(struct seq_file *m, void *unused)
265{ 270{
271 struct super_block *sb = m->private;
266 struct reiserfs_sb_info *sb_info = REISERFS_SB(sb); 272 struct reiserfs_sb_info *sb_info = REISERFS_SB(sb);
267 struct reiserfs_super_block *rs = sb_info->s_rs; 273 struct reiserfs_super_block *rs = sb_info->s_rs;
268 unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize); 274 unsigned int mapsize = le16_to_cpu(rs->s_v1.s_oid_cursize);
@@ -291,8 +297,9 @@ static int show_oidmap(struct seq_file *m, struct super_block *sb)
291 return 0; 297 return 0;
292} 298}
293 299
294static int show_journal(struct seq_file *m, struct super_block *sb) 300static int show_journal(struct seq_file *m, void *unused)
295{ 301{
302 struct super_block *sb = m->private;
296 struct reiserfs_sb_info *r = REISERFS_SB(sb); 303 struct reiserfs_sb_info *r = REISERFS_SB(sb);
297 struct reiserfs_super_block *rs = r->s_rs; 304 struct reiserfs_super_block *rs = r->s_rs;
298 struct journal_params *jp = &rs->s_v1.s_journal; 305 struct journal_params *jp = &rs->s_v1.s_journal;
@@ -383,92 +390,24 @@ static int show_journal(struct seq_file *m, struct super_block *sb)
383 return 0; 390 return 0;
384} 391}
385 392
386/* iterator */
387static int test_sb(struct super_block *sb, void *data)
388{
389 return data == sb;
390}
391
392static int set_sb(struct super_block *sb, void *data)
393{
394 return -ENOENT;
395}
396
397struct reiserfs_seq_private {
398 struct super_block *sb;
399 int (*show) (struct seq_file *, struct super_block *);
400};
401
402static void *r_start(struct seq_file *m, loff_t * pos)
403{
404 struct reiserfs_seq_private *priv = m->private;
405 loff_t l = *pos;
406
407 if (l)
408 return NULL;
409
410 if (IS_ERR(sget(&reiserfs_fs_type, test_sb, set_sb, 0, priv->sb)))
411 return NULL;
412
413 up_write(&priv->sb->s_umount);
414 return priv->sb;
415}
416
417static void *r_next(struct seq_file *m, void *v, loff_t * pos)
418{
419 ++*pos;
420 if (v)
421 deactivate_super(v);
422 return NULL;
423}
424
425static void r_stop(struct seq_file *m, void *v)
426{
427 if (v)
428 deactivate_super(v);
429}
430
431static int r_show(struct seq_file *m, void *v)
432{
433 struct reiserfs_seq_private *priv = m->private;
434 return priv->show(m, v);
435}
436
437static const struct seq_operations r_ops = {
438 .start = r_start,
439 .next = r_next,
440 .stop = r_stop,
441 .show = r_show,
442};
443
444static int r_open(struct inode *inode, struct file *file) 393static int r_open(struct inode *inode, struct file *file)
445{ 394{
446 struct reiserfs_seq_private *priv; 395 return single_open(file, PDE_DATA(inode),
447 int ret = seq_open_private(file, &r_ops, 396 proc_get_parent_data(inode));
448 sizeof(struct reiserfs_seq_private));
449
450 if (!ret) {
451 struct seq_file *m = file->private_data;
452 priv = m->private;
453 priv->sb = proc_get_parent_data(inode);
454 priv->show = PDE_DATA(inode);
455 }
456 return ret;
457} 397}
458 398
459static const struct file_operations r_file_operations = { 399static const struct file_operations r_file_operations = {
460 .open = r_open, 400 .open = r_open,
461 .read = seq_read, 401 .read = seq_read,
462 .llseek = seq_lseek, 402 .llseek = seq_lseek,
463 .release = seq_release_private, 403 .release = single_release,
464 .owner = THIS_MODULE,
465}; 404};
466 405
467static struct proc_dir_entry *proc_info_root = NULL; 406static struct proc_dir_entry *proc_info_root = NULL;
468static const char proc_info_root_name[] = "fs/reiserfs"; 407static const char proc_info_root_name[] = "fs/reiserfs";
469 408
470static void add_file(struct super_block *sb, char *name, 409static void add_file(struct super_block *sb, char *name,
471 int (*func) (struct seq_file *, struct super_block *)) 410 int (*func) (struct seq_file *, void *))
472{ 411{
473 proc_create_data(name, 0, REISERFS_SB(sb)->procdir, 412 proc_create_data(name, 0, REISERFS_SB(sb)->procdir,
474 &r_file_operations, func); 413 &r_file_operations, func);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index f8a23c3078f8..e2e202a07b31 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -499,6 +499,7 @@ int remove_save_link(struct inode *inode, int truncate)
499static void reiserfs_kill_sb(struct super_block *s) 499static void reiserfs_kill_sb(struct super_block *s)
500{ 500{
501 if (REISERFS_SB(s)) { 501 if (REISERFS_SB(s)) {
502 reiserfs_proc_info_done(s);
502 /* 503 /*
503 * Force any pending inode evictions to occur now. Any 504 * Force any pending inode evictions to occur now. Any
504 * inodes to be removed that have extended attributes 505 * inodes to be removed that have extended attributes
@@ -554,8 +555,6 @@ static void reiserfs_put_super(struct super_block *s)
554 REISERFS_SB(s)->reserved_blocks); 555 REISERFS_SB(s)->reserved_blocks);
555 } 556 }
556 557
557 reiserfs_proc_info_done(s);
558
559 reiserfs_write_unlock(s); 558 reiserfs_write_unlock(s);
560 mutex_destroy(&REISERFS_SB(s)->lock); 559 mutex_destroy(&REISERFS_SB(s)->lock);
561 kfree(s->s_fs_info); 560 kfree(s->s_fs_info);