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-rw-r--r--fs/aufs/poll.c39
1 files changed, 0 insertions, 39 deletions
diff --git a/fs/aufs/poll.c b/fs/aufs/poll.c
deleted file mode 100644
index dd2baf5dc..000000000
--- a/fs/aufs/poll.c
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- * Copyright (C) 2005-2016 Junjiro R. Okajima
- */
-
-/*
- * poll operation
- * There is only one filesystem which implements ->poll operation, currently.
- */
-
-#include "aufs.h"
-
-unsigned int aufs_poll(struct file *file, poll_table *wait)
-{
- unsigned int mask;
- int err;
- struct file *h_file;
- struct super_block *sb;
-
- /* We should pretend an error happened. */
- mask = POLLERR /* | POLLIN | POLLOUT */;
- sb = file->f_path.dentry->d_sb;
- si_read_lock(sb, AuLock_FLUSH | AuLock_NOPLMW);
-
- h_file = au_read_pre(file, /*keep_fi*/0);
- err = PTR_ERR(h_file);
- if (IS_ERR(h_file))
- goto out;
-
- /* it is not an error if h_file has no operation */
- mask = DEFAULT_POLLMASK;
- if (h_file->f_op->poll)
- mask = h_file->f_op->poll(h_file, wait);
- fput(h_file); /* instead of au_read_post() */
-
-out:
- si_read_unlock(sb);
- AuTraceErr((int)mask);
- return mask;
-}