diff options
Diffstat (limited to 'fs/aufs/poll.c')
-rw-r--r-- | fs/aufs/poll.c | 39 |
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; -} |