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switch ->get_link() to delayed_call, kill ->put_link()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2015-12-29 15:58:39 -05:00
parent cd3417c8fc
commit fceef393a5
43 changed files with 206 additions and 218 deletions
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7
fs/proc/thread_self.c
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@@ -20,7 +20,8 @@ static int proc_thread_self_readlink(struct dentry *dentry, char __user *buffer,
}
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 @@ static const char *proc_thread_self_get_link(struct dentry *dentry,
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;