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nilfs2_direct_IO(): remove dead code

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2015-06-21 01:37:24 -04:00
parent 2726d56620
commit 6b6dabc8dc
1 changed files with 2 additions and 20 deletions
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22
fs/nilfs2/inode.c
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@ -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 = {