new helper: iterate_supers()
[safe/jmp/linux-2.6] / fs / autofs4 / root.c
index e8a8881..e8e5e63 100644 (file)
@@ -15,6 +15,7 @@
 #include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/stat.h>
+#include <linux/slab.h>
 #include <linux/param.h>
 #include <linux/time.h>
 #include "autofs_i.h"
@@ -176,8 +177,7 @@ static int try_to_fill_dentry(struct dentry *dentry, int flags)
                }
        /* Trigger mount for path component or follow link */
        } else if (ino->flags & AUTOFS_INF_PENDING ||
-                       autofs4_need_mount(flags) ||
-                       current->link_count) {
+                       autofs4_need_mount(flags)) {
                DPRINTK("waiting for mount name=%.*s",
                        dentry->d_name.len, dentry->d_name.name);
 
@@ -261,7 +261,7 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
                spin_unlock(&dcache_lock);
                spin_unlock(&sbi->fs_lock);
 
-               status = try_to_fill_dentry(dentry, 0);
+               status = try_to_fill_dentry(dentry, nd->flags);
                if (status)
                        goto out_error;
 
@@ -474,23 +474,23 @@ static struct dentry *autofs4_lookup_expiring(struct dentry *dentry)
        head = &sbi->expiring_list;
        list_for_each(p, head) {
                struct autofs_info *ino;
-               struct dentry *dentry;
+               struct dentry *expiring;
                struct qstr *qstr;
 
                ino = list_entry(p, struct autofs_info, expiring);
-               dentry = ino->dentry;
+               expiring = ino->dentry;
 
-               spin_lock(&dentry->d_lock);
+               spin_lock(&expiring->d_lock);
 
                /* Bad luck, we've already been dentry_iput */
-               if (!dentry->d_inode)
+               if (!expiring->d_inode)
                        goto next;
 
-               qstr = &dentry->d_name;
+               qstr = &expiring->d_name;
 
-               if (dentry->d_name.hash != hash)
+               if (expiring->d_name.hash != hash)
                        goto next;
-               if (dentry->d_parent != parent)
+               if (expiring->d_parent != parent)
                        goto next;
 
                if (qstr->len != len)
@@ -498,15 +498,15 @@ static struct dentry *autofs4_lookup_expiring(struct dentry *dentry)
                if (memcmp(qstr->name, str, len))
                        goto next;
 
-               if (d_unhashed(dentry)) {
-                       dget(dentry);
-                       spin_unlock(&dentry->d_lock);
+               if (d_unhashed(expiring)) {
+                       dget(expiring);
+                       spin_unlock(&expiring->d_lock);
                        spin_unlock(&sbi->lookup_lock);
                        spin_unlock(&dcache_lock);
-                       return dentry;
+                       return expiring;
                }
 next:
-               spin_unlock(&dentry->d_lock);
+               spin_unlock(&expiring->d_lock);
        }
        spin_unlock(&sbi->lookup_lock);
        spin_unlock(&dcache_lock);