Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6

[linux-2.6] / fs / proc / root.c

diff --git a/fs/proc/root.c b/fs/proc/root.c
index 8901c65caca83be55d575ea70d51411435d5410e..ffe66c38488b6d6925614e00147d213dfc271e0f 100644 (file)
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/bitops.h>
 #include <linux/smp_lock.h>
+#include <linux/mount.h>
 
 #include "internal.h"
 
@@ -28,6 +29,17 @@ struct proc_dir_entry *proc_sys_root;
 static int proc_get_sb(struct file_system_type *fs_type,
        int flags, const char *dev_name, void *data, struct vfsmount *mnt)
 {
+       if (proc_mnt) {
+               /* Seed the root directory with a pid so it doesn't need
+                * to be special in base.c.  I would do this earlier but
+                * the only task alive when /proc is mounted the first time
+                * is the init_task and it doesn't have any pids.
+                */
+               struct proc_inode *ei;
+               ei = PROC_I(proc_mnt->mnt_sb->s_root->d_inode);
+               if (!ei->pid)
+                       ei->pid = find_get_pid(1);
+       }
        return get_sb_single(fs_type, flags, data, proc_fill_super, mnt);
 }