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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2014-03-04 21:27:34 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-05-06 17:32:44 -0400 |
| commit | d8d3d94b80aa1a1c0ca75c58b8abdc7356f38418 (patch) | |
| tree | 132f846b04371426b8795475597846aae75e7e07 /mm | |
| parent | kill generic_segment_checks() (diff) | |
| download | linux-dev-d8d3d94b80aa1a1c0ca75c58b8abdc7356f38418.tar.xz linux-dev-d8d3d94b80aa1a1c0ca75c58b8abdc7356f38418.zip | |
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.c | 9 | ||||
| -rw-r--r-- | mm/page_io.c | 6 |
2 files changed, 8 insertions, 7 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 7c1417b0bd7b..139641274f1e 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 7c59ef681381..0ed0644c73db 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); |