From 6b6dabc8dcefaf9997ce037c70b32d570ced9d3e Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 21 Jun 2015 01:37:24 -0400 Subject: [PATCH] nilfs2_direct_IO(): remove dead code Signed-off-by: Al Viro --- fs/nilfs2/inode.c | 22 ++-------------------- 1 file changed, 2 insertions(+), 20 deletions(-) diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index 258d9fe2521a..4a73d6dffabf 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -307,31 +307,13 @@ static int nilfs_write_end(struct file *file, struct address_space *mapping, static ssize_t nilfs_direct_IO(struct kiocb *iocb, struct iov_iter *iter, loff_t offset) { - struct file *file = iocb->ki_filp; - struct address_space *mapping = file->f_mapping; - struct inode *inode = file->f_mapping->host; - size_t count = iov_iter_count(iter); - ssize_t size; + struct inode *inode = file_inode(iocb->ki_filp); if (iov_iter_rw(iter) == WRITE) return 0; /* Needs synchronization with the cleaner */ - size = blockdev_direct_IO(iocb, inode, iter, offset, nilfs_get_block); - - /* - * In case of error extending write may have instantiated a few - * blocks outside i_size. Trim these off again. - */ - if (unlikely(iov_iter_rw(iter) == WRITE && size < 0)) { - loff_t isize = i_size_read(inode); - loff_t end = offset + count; - - if (end > isize) - nilfs_write_failed(mapping, end); - } - - return size; + return blockdev_direct_IO(iocb, inode, iter, offset, nilfs_get_block); } const struct address_space_operations nilfs_aops = { -- 2.30.2