vfs: Make d_invalidate return void
Now that d_invalidate can no longer fail, stop returning a useless
return code. For the few callers that checked the return code update
remove the handling of d_invalidate failure.
Reviewed-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/dcache.c b/fs/dcache.c
index 5e02b9e..70d102e 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -1346,34 +1346,28 @@
* d_invalidate - detach submounts, prune dcache, and drop
* @dentry: dentry to invalidate (aka detach, prune and drop)
*
- * Try to invalidate the dentry if it turns out to be
- * possible. If there are reasons not to delete it
- * return -EBUSY. On success return 0.
- *
* no dcache lock.
*
* The final d_drop is done as an atomic operation relative to
* rename_lock ensuring there are no races with d_set_mounted. This
* ensures there are no unhashed dentries on the path to a mountpoint.
*/
-int d_invalidate(struct dentry *dentry)
+void d_invalidate(struct dentry *dentry)
{
- int ret = 0;
-
/*
* If it's already been dropped, return OK.
*/
spin_lock(&dentry->d_lock);
if (d_unhashed(dentry)) {
spin_unlock(&dentry->d_lock);
- return 0;
+ return;
}
spin_unlock(&dentry->d_lock);
/* Negative dentries can be dropped without further checks */
if (!dentry->d_inode) {
d_drop(dentry);
- goto out;
+ return;
}
for (;;) {
@@ -1399,9 +1393,6 @@
cond_resched();
}
-
-out:
- return ret;
}
EXPORT_SYMBOL(d_invalidate);