switch ->get_link() to delayed_call, kill ->put_link()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 1a489e2..71660bb 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1565,7 +1565,8 @@
}
static const char *proc_pid_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
struct path path;
int error = -EACCES;
@@ -1949,12 +1950,13 @@
*/
static const char *
proc_map_files_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
if (!capable(CAP_SYS_ADMIN))
return ERR_PTR(-EPERM);
- return proc_pid_get_link(dentry, inode, NULL);
+ return proc_pid_get_link(dentry, inode, done);
}
/*
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 10360b2..d0e9b9b 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -393,25 +393,25 @@
};
#endif
+static void proc_put_link(void *p)
+{
+ unuse_pde(p);
+}
+
static const char *proc_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
struct proc_dir_entry *pde = PDE(inode);
if (unlikely(!use_pde(pde)))
return ERR_PTR(-EINVAL);
- *cookie = pde;
+ set_delayed_call(done, proc_put_link, pde);
return pde->data;
}
-static void proc_put_link(struct inode *unused, void *p)
-{
- unuse_pde(p);
-}
-
const struct inode_operations proc_link_inode_operations = {
.readlink = generic_readlink,
.get_link = proc_get_link,
- .put_link = proc_put_link,
};
struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de)
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index 63861c1..1dece87 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -31,7 +31,8 @@
};
static const char *proc_ns_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
const struct proc_ns_operations *ns_ops = PROC_I(inode)->ns_ops;
struct task_struct *task;
diff --git a/fs/proc/self.c b/fs/proc/self.c
index 7a8b19e..67e8db4 100644
--- a/fs/proc/self.c
+++ b/fs/proc/self.c
@@ -19,7 +19,8 @@
}
static const char *proc_self_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
struct pid_namespace *ns = inode->i_sb->s_fs_info;
pid_t tgid = task_tgid_nr_ns(current, ns);
@@ -32,13 +33,13 @@
if (unlikely(!name))
return dentry ? ERR_PTR(-ENOMEM) : ERR_PTR(-ECHILD);
sprintf(name, "%d", tgid);
- return *cookie = name;
+ set_delayed_call(done, kfree_link, name);
+ return name;
}
static const struct inode_operations proc_self_inode_operations = {
.readlink = proc_self_readlink,
.get_link = proc_self_get_link,
- .put_link = kfree_put_link,
};
static unsigned self_inum;
diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c
index 03eaa84..9eacd59 100644
--- a/fs/proc/thread_self.c
+++ b/fs/proc/thread_self.c
@@ -20,7 +20,8 @@
}
static const char *proc_thread_self_get_link(struct dentry *dentry,
- struct inode *inode, void **cookie)
+ struct inode *inode,
+ struct delayed_call *done)
{
struct pid_namespace *ns = inode->i_sb->s_fs_info;
pid_t tgid = task_tgid_nr_ns(current, ns);
@@ -34,13 +35,13 @@
if (unlikely(!name))
return dentry ? ERR_PTR(-ENOMEM) : ERR_PTR(-ECHILD);
sprintf(name, "%d/task/%d", tgid, pid);
- return *cookie = name;
+ set_delayed_call(done, kfree_link, name);
+ return name;
}
static const struct inode_operations proc_thread_self_inode_operations = {
.readlink = proc_thread_self_readlink,
.get_link = proc_thread_self_get_link,
- .put_link = kfree_put_link,
};
static unsigned thread_self_inum;