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authorAlex Elder <elder@inktank.com>2013-02-06 20:11:38 +0100
committerAlex Elder <elder@inktank.com>2013-02-20 02:14:05 +0100
commit903bb32e890237ca43ab847e561e5377cfe0fdb3 (patch)
treea2327dd33fe66cd73b30e298b91829b28a05ea7c /net/ceph/pagevec.c
parentrbd: ignore result of ceph_copy_from_page_vector() (diff)
downloadlinux-903bb32e890237ca43ab847e561e5377cfe0fdb3.tar.xz
linux-903bb32e890237ca43ab847e561e5377cfe0fdb3.zip
libceph: drop return value from page vector copy routines
The return values provided for ceph_copy_to_page_vector() and ceph_copy_from_page_vector() serve no purpose, so get rid of them. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
Diffstat (limited to 'net/ceph/pagevec.c')
-rw-r--r--net/ceph/pagevec.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/net/ceph/pagevec.c b/net/ceph/pagevec.c
index 5b20be979c19..815a2249cfa9 100644
--- a/net/ceph/pagevec.c
+++ b/net/ceph/pagevec.c
@@ -118,17 +118,17 @@ int ceph_copy_user_to_page_vector(struct page **pages,
}
EXPORT_SYMBOL(ceph_copy_user_to_page_vector);
-int ceph_copy_to_page_vector(struct page **pages,
+void ceph_copy_to_page_vector(struct page **pages,
const void *data,
loff_t off, size_t len)
{
int i = 0;
size_t po = off & ~PAGE_CACHE_MASK;
size_t left = len;
- size_t l;
while (left > 0) {
- l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+ size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+
memcpy(page_address(pages[i]) + po, data, l);
data += l;
left -= l;
@@ -138,21 +138,20 @@ int ceph_copy_to_page_vector(struct page **pages,
i++;
}
}
- return len;
}
EXPORT_SYMBOL(ceph_copy_to_page_vector);
-int ceph_copy_from_page_vector(struct page **pages,
+void ceph_copy_from_page_vector(struct page **pages,
void *data,
loff_t off, size_t len)
{
int i = 0;
size_t po = off & ~PAGE_CACHE_MASK;
size_t left = len;
- size_t l;
while (left > 0) {
- l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+ size_t l = min_t(size_t, PAGE_CACHE_SIZE-po, left);
+
memcpy(data, page_address(pages[i]) + po, l);
data += l;
left -= l;
@@ -162,7 +161,6 @@ int ceph_copy_from_page_vector(struct page **pages,
i++;
}
}
- return len;
}
EXPORT_SYMBOL(ceph_copy_from_page_vector);