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| author | Al Viro <viro@zeniv.linux.org.uk> | 2014-04-10 20:54:51 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2014-05-06 17:32:42 -0400 |
| commit | e7c24607b5d68a4cdc56e09d70a3c8bae5f0519f (patch) | |
| tree | 65b8b65636ba6d2470d3a004d027ff966811d270 /mm/process_vm_access.c | |
| parent | f6c0a1920e0180175bd5e8e4aff8ea5556f1895d (diff) | |
| download | lwn-e7c24607b5d68a4cdc56e09d70a3c8bae5f0519f.tar.gz lwn-e7c24607b5d68a4cdc56e09d70a3c8bae5f0519f.zip | |
kill iov_iter_copy_from_user()
all callers can use copy_page_from_iter() and it actually simplifies
them.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/process_vm_access.c')
| -rw-r--r-- | mm/process_vm_access.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index 8505c9262b35..f32b1fbbfe69 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -46,11 +46,7 @@ static int process_vm_rw_pages(struct page **pages, copy = len; if (vm_write) { - if (copy > iov_iter_count(iter)) - copy = iov_iter_count(iter); - copied = iov_iter_copy_from_user(page, iter, - offset, copy); - iov_iter_advance(iter, copied); + copied = copy_page_from_iter(page, offset, copy, iter); set_page_dirty_lock(page); } else { copied = copy_page_to_iter(page, offset, copy, iter); |