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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2011-01-12 17:00:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 08:03:16 -0800 |
| commit | 6d1b6e4eff89475785f60fa00f65da780f869f36 (patch) | |
| tree | 41608a81f14b824c97b8d8f0849aff04bcf1f537 /fs/proc/inode.c | |
| parent | 9d6de12f70d2fb1487c4f482a21fed25fe74e0fd (diff) | |
| download | linux-6d1b6e4eff89475785f60fa00f65da780f869f36.tar.gz linux-6d1b6e4eff89475785f60fa00f65da780f869f36.tar.bz2 linux-6d1b6e4eff89475785f60fa00f65da780f869f36.zip | |
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/inode.c')
| -rw-r--r-- | fs/proc/inode.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 6bcb926b101b..176ce4cda68a 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -416,12 +416,11 @@ static const struct file_operations proc_reg_file_ops_no_compat = { }; #endif -struct inode *proc_get_inode(struct super_block *sb, unsigned int ino, - struct proc_dir_entry *de) +struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de) { struct inode * inode; - inode = iget_locked(sb, ino); + inode = iget_locked(sb, de->low_ino); if (!inode) return NULL; if (inode->i_state & I_NEW) { @@ -471,7 +470,7 @@ int proc_fill_super(struct super_block *s) s->s_time_gran = 1; pde_get(&proc_root); - root_inode = proc_get_inode(s, PROC_ROOT_INO, &proc_root); + root_inode = proc_get_inode(s, &proc_root); if (!root_inode) goto out_no_root; root_inode->i_uid = 0; |