diff options
Diffstat (limited to 'fs/proc/generic.c')
-rw-r--r-- | fs/proc/generic.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 68971e66cd41..a36ad3c75cf4 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c | |||
@@ -377,15 +377,14 @@ static struct dentry_operations proc_dentry_operations = | |||
377 | * Don't create negative dentries here, return -ENOENT by hand | 377 | * Don't create negative dentries here, return -ENOENT by hand |
378 | * instead. | 378 | * instead. |
379 | */ | 379 | */ |
380 | struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nameidata *nd) | 380 | struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir, |
381 | struct dentry *dentry) | ||
381 | { | 382 | { |
382 | struct inode *inode = NULL; | 383 | struct inode *inode = NULL; |
383 | struct proc_dir_entry * de; | ||
384 | int error = -ENOENT; | 384 | int error = -ENOENT; |
385 | 385 | ||
386 | lock_kernel(); | 386 | lock_kernel(); |
387 | spin_lock(&proc_subdir_lock); | 387 | spin_lock(&proc_subdir_lock); |
388 | de = PDE(dir); | ||
389 | if (de) { | 388 | if (de) { |
390 | for (de = de->subdir; de ; de = de->next) { | 389 | for (de = de->subdir; de ; de = de->next) { |
391 | if (de->namelen != dentry->d_name.len) | 390 | if (de->namelen != dentry->d_name.len) |
@@ -393,8 +392,6 @@ struct dentry *proc_lookup(struct inode * dir, struct dentry *dentry, struct nam | |||
393 | if (!memcmp(dentry->d_name.name, de->name, de->namelen)) { | 392 | if (!memcmp(dentry->d_name.name, de->name, de->namelen)) { |
394 | unsigned int ino; | 393 | unsigned int ino; |
395 | 394 | ||
396 | if (de->shadow_proc) | ||
397 | de = de->shadow_proc(current, de); | ||
398 | ino = de->low_ino; | 395 | ino = de->low_ino; |
399 | de_get(de); | 396 | de_get(de); |
400 | spin_unlock(&proc_subdir_lock); | 397 | spin_unlock(&proc_subdir_lock); |
@@ -417,6 +414,12 @@ out_unlock: | |||
417 | return ERR_PTR(error); | 414 | return ERR_PTR(error); |
418 | } | 415 | } |
419 | 416 | ||
417 | struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry, | ||
418 | struct nameidata *nd) | ||
419 | { | ||
420 | return proc_lookup_de(PDE(dir), dir, dentry); | ||
421 | } | ||
422 | |||
420 | /* | 423 | /* |
421 | * This returns non-zero if at EOF, so that the /proc | 424 | * This returns non-zero if at EOF, so that the /proc |
422 | * root directory can use this and check if it should | 425 | * root directory can use this and check if it should |
@@ -426,10 +429,9 @@ out_unlock: | |||
426 | * value of the readdir() call, as long as it's non-negative | 429 | * value of the readdir() call, as long as it's non-negative |
427 | * for success.. | 430 | * for success.. |
428 | */ | 431 | */ |
429 | int proc_readdir(struct file * filp, | 432 | int proc_readdir_de(struct proc_dir_entry *de, struct file *filp, void *dirent, |
430 | void * dirent, filldir_t filldir) | 433 | filldir_t filldir) |
431 | { | 434 | { |
432 | struct proc_dir_entry * de; | ||
433 | unsigned int ino; | 435 | unsigned int ino; |
434 | int i; | 436 | int i; |
435 | struct inode *inode = filp->f_path.dentry->d_inode; | 437 | struct inode *inode = filp->f_path.dentry->d_inode; |
@@ -438,7 +440,6 @@ int proc_readdir(struct file * filp, | |||
438 | lock_kernel(); | 440 | lock_kernel(); |
439 | 441 | ||
440 | ino = inode->i_ino; | 442 | ino = inode->i_ino; |
441 | de = PDE(inode); | ||
442 | if (!de) { | 443 | if (!de) { |
443 | ret = -EINVAL; | 444 | ret = -EINVAL; |
444 | goto out; | 445 | goto out; |
@@ -499,6 +500,13 @@ out: unlock_kernel(); | |||
499 | return ret; | 500 | return ret; |
500 | } | 501 | } |
501 | 502 | ||
503 | int proc_readdir(struct file *filp, void *dirent, filldir_t filldir) | ||
504 | { | ||
505 | struct inode *inode = filp->f_path.dentry->d_inode; | ||
506 | |||
507 | return proc_readdir_de(PDE(inode), filp, dirent, filldir); | ||
508 | } | ||
509 | |||
502 | /* | 510 | /* |
503 | * These are the generic /proc directory operations. They | 511 | * These are the generic /proc directory operations. They |
504 | * use the in-memory "struct proc_dir_entry" tree to parse | 512 | * use the in-memory "struct proc_dir_entry" tree to parse |