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authorDaniel Drake <dsd@gentoo.org>2005-05-01 08:59:03 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-01 08:59:03 -0700
commitbcf88e1163623e8e8ef2ba7feface9c826a890c9 (patch)
treeb385deef7d18d781d8f9e02af40c7bce3f43885d
parent7f261b5f0dccd53ed3a9a95b55c36e24a698a92a (diff)
[PATCH] procfs: Fix hardlink counts
The pid directories in /proc/ currently return the wrong hardlink count - 3, when there are actually 4 : ".", "..", "fd", and "task". This is easy to notice using find(1): cd /proc/<pid> find In the output, you'll see a message similar to: find: WARNING: Hard link count is wrong for .: this may be a bug in your filesystem driver. Automatically turning on find's -noleaf option. Earlier results may have failed to include directories that should have been searched. http://bugs.gentoo.org/show_bug.cgi?id=86031 I also noticed that CONFIG_SECURITY can add a 5th: attr, and performed a similar fix on the task directories too. Signed-off-by: Daniel Drake <dsd@gentoo.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/proc/base.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 39fd336cfdb..4718173af2c 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1800,8 +1800,12 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, struct
inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
inode->i_op = &proc_tgid_base_inode_operations;
inode->i_fop = &proc_tgid_base_operations;
- inode->i_nlink = 3;
inode->i_flags|=S_IMMUTABLE;
+#ifdef CONFIG_SECURITY
+ inode->i_nlink = 5;
+#else
+ inode->i_nlink = 4;
+#endif
dentry->d_op = &pid_base_dentry_operations;
@@ -1855,8 +1859,12 @@ static struct dentry *proc_task_lookup(struct inode *dir, struct dentry * dentry
inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
inode->i_op = &proc_tid_base_inode_operations;
inode->i_fop = &proc_tid_base_operations;
- inode->i_nlink = 3;
inode->i_flags|=S_IMMUTABLE;
+#ifdef CONFIG_SECURITY
+ inode->i_nlink = 4;
+#else
+ inode->i_nlink = 3;
+#endif
dentry->d_op = &pid_base_dentry_operations;