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authorAl Viro <viro@zeniv.linux.org.uk>2014-03-04 21:27:34 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2014-05-06 17:32:44 -0400
commitd8d3d94b80aa1a1c0ca75c58b8abdc7356f38418 (patch)
tree132f846b04371426b8795475597846aae75e7e07 /mm
parentcb66a7a1f149ff705fa37cad6d1252b046e0ad4f (diff)
downloadop-kernel-dev-d8d3d94b80aa1a1c0ca75c58b8abdc7356f38418.zip
op-kernel-dev-d8d3d94b80aa1a1c0ca75c58b8abdc7356f38418.tar.gz
pass iov_iter to ->direct_IO()
unmodified, for now Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm')
-rw-r--r--mm/filemap.c9
-rw-r--r--mm/page_io.c6
2 files changed, 8 insertions, 7 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 7c1417b..1396412 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1699,10 +1699,9 @@ generic_file_aio_read(struct kiocb *iocb, const struct iovec *iov,
size = i_size_read(inode);
retval = filemap_write_and_wait_range(mapping, pos,
pos + iov_length(iov, nr_segs) - 1);
- if (!retval) {
- retval = mapping->a_ops->direct_IO(READ, iocb,
- iov, pos, nr_segs);
- }
+ if (!retval)
+ retval = mapping->a_ops->direct_IO(READ, iocb, &i, pos);
+
if (retval > 0) {
*ppos = pos + retval;
count -= retval;
@@ -2383,7 +2382,7 @@ generic_file_direct_write(struct kiocb *iocb, struct iov_iter *from,
}
}
- written = mapping->a_ops->direct_IO(WRITE, iocb, from->iov, pos, from->nr_segs);
+ written = mapping->a_ops->direct_IO(WRITE, iocb, from, pos);
/*
* Finally, try again to invalidate clean pages which might have been
diff --git a/mm/page_io.c b/mm/page_io.c
index 7c59ef6..0ed0644 100644
--- a/mm/page_io.c
+++ b/mm/page_io.c
@@ -263,16 +263,18 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
.iov_base = kmap(page),
.iov_len = PAGE_SIZE,
};
+ struct iov_iter from;
init_sync_kiocb(&kiocb, swap_file);
kiocb.ki_pos = page_file_offset(page);
kiocb.ki_nbytes = PAGE_SIZE;
+ iov_iter_init(&from, &iov, 1, PAGE_SIZE, 0);
set_page_writeback(page);
unlock_page(page);
ret = mapping->a_ops->direct_IO(KERNEL_WRITE,
- &kiocb, &iov,
- kiocb.ki_pos, 1);
+ &kiocb, &from,
+ kiocb.ki_pos);
kunmap(page);
if (ret == PAGE_SIZE) {
count_vm_event(PSWPOUT);
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