xiaomi-sm8450/android_kernel_xiaomi_sm8450
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start adding the tag to iov_iter

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For now, just use the same thing we pass to ->direct_IO() - it's all
iovec-based at the moment.  Pass it explicitly to iov_iter_init() and
account for kvec vs. iovec in there, by the same kludge NFS ->direct_IO()
uses.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-03-05 19:28:09 -05:00
parent ed978a811e
commit 71d8e532b1
15 changed files with 41 additions and 35 deletions
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mm/page_io.c
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@@ -268,7 +268,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc,
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);
iov_iter_init(&from, KERNEL_WRITE, &iov, 1, PAGE_SIZE);
set_page_writeback(page);
unlock_page(page);