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kill iov_iter_copy_from_user()

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all callers can use copy_page_from_iter() and it actually simplifies
them.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2014-04-10 20:54:51 -04:00
parent f6c0a1920e
commit e7c24607b5
5 changed files with 5 additions and 40 deletions
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fs/ceph/file.c
+1 -2
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@@ -737,13 +737,12 @@ static ssize_t ceph_sync_write(struct kiocb *iocb, const struct iovec *iov,
left = len;
for (n = 0; n < num_pages; n++) {
size_t plen = min_t(size_t, left, PAGE_SIZE);
ret = iov_iter_copy_from_user(pages[n], &i, 0, plen);
ret = copy_page_from_iter(pages[n], 0, plen, &i);
if (ret != plen) {
ret = -EFAULT;
break;
}
left -= ret;
iov_iter_advance(&i, ret);
}
if (ret < 0) {