ceph: use get_user_pages_fast()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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@ -24,9 +24,9 @@ struct page **ceph_get_direct_page_vector(const void __user *data,
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return ERR_PTR(-ENOMEM);
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while (got < num_pages) {
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rc = get_user_pages_unlocked(
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rc = get_user_pages_fast(
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(unsigned long)data + ((unsigned long)got * PAGE_SIZE),
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num_pages - got, pages + got, write_page ? FOLL_WRITE : 0);
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num_pages - got, write_page, pages + got);
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if (rc < 0)
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break;
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BUG_ON(rc == 0);
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