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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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7
fs/cifs/file.c
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@@ -2444,11 +2444,10 @@ cifs_iovec_write(struct file *file, const struct iovec *iov,
save_len = cur_len;
for (i = 0; i < nr_pages; i++) {
bytes = min_t(const size_t, cur_len, PAGE_SIZE);
copied = iov_iter_copy_from_user(wdata->pages[i], &it,
0, bytes);
bytes = min_t(size_t, cur_len, PAGE_SIZE);
copied = copy_page_from_iter(wdata->pages[i], 0, bytes,
&it);
cur_len -= copied;
iov_iter_advance(&it, copied);
/*
* If we didn't copy as much as we expected, then that
* may mean we trod into an unmapped area. Stop copying