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9p: get rid of v9fs_direct_file_write()

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just handle it in ->direct_IO()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2015-04-01 22:32:23 -04:00
parent c711a6b111
commit 9565a54452
2 changed files with 16 additions and 81 deletions
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22
fs/9p/vfs_addr.c
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@@ -252,15 +252,21 @@ static int v9fs_launder_page(struct page *page)
static ssize_t
v9fs_direct_IO(int rw, struct kiocb *iocb, struct iov_iter *iter, loff_t pos)
{
/*
* FIXME
* Now that we do caching with cache mode enabled, We need
* to support direct IO
*/
p9_debug(P9_DEBUG_VFS, "v9fs_direct_IO: v9fs_direct_IO (%pD) off/no(%lld/%lu) EINVAL\n",
iocb->ki_filp,
(long long)pos, iter->nr_segs);
struct file *file = iocb->ki_filp;
if (rw == WRITE) {
ssize_t written;
int err = 0;
written = p9_client_write(file->private_data, pos, iter, &err);
if (written) {
struct inode *inode = file_inode(file);
loff_t i_size = i_size_read(inode);
if (pos + written > i_size)
inode_add_bytes(inode, pos + written - i_size);
return written;
}
return err;
}
return -EINVAL;
}