diff options
| author | Alexey Dobriyan <adobriyan@gmail.com> | 2011-01-13 04:00:33 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 19:03:16 +0300 |
| commit | 6d1b6e4eff89475785f60fa00f65da780f869f36 (patch) | |
| tree | 41608a81f14b824c97b8d8f0849aff04bcf1f537 /fs/proc/generic.c | |
| parent | 9d6de12f70d2fb1487c4f482a21fed25fe74e0fd (diff) | |
| download | linux-6d1b6e4eff89475785f60fa00f65da780f869f36.tar.xz | |
proc: ->low_ino cleanup
- ->low_ino is write-once field -- reading it under locks is unnecessary.
- /proc/$PID stuff never reaches pde_put()/free_proc_entry() --
PROC_DYNAMIC_FIRST check never triggers.
- in proc_get_inode(), inode number always matches proc dir entry, so
save one parameter.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc/generic.c')
| -rw-r--r-- | fs/proc/generic.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index f766be29d2c7..d00c5af6f199 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -425,13 +425,10 @@ struct dentry *proc_lookup_de(struct proc_dir_entry *de, struct inode *dir, if (de->namelen != dentry->d_name.len) continue; if (!memcmp(dentry->d_name.name, de->name, de->namelen)) { - unsigned int ino; - - ino = de->low_ino; pde_get(de); spin_unlock(&proc_subdir_lock); error = -EINVAL; - inode = proc_get_inode(dir->i_sb, ino, de); + inode = proc_get_inode(dir->i_sb, de); goto out_unlock; } } @@ -768,12 +765,7 @@ EXPORT_SYMBOL(proc_create_data); static void free_proc_entry(struct proc_dir_entry *de) { - unsigned int ino = de->low_ino; - - if (ino < PROC_DYNAMIC_FIRST) - return; - - release_inode_number(ino); + release_inode_number(de->low_ino); if (S_ISLNK(de->mode)) kfree(de->data); |