dlm: remove kmap/kunmap
The pages used in lowcomms are not highmem, so kmap is not necessary.
Cc: Christine Caulfield <ccaulfie@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 1e72031..103a5eb 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -824,7 +824,6 @@
len = e->len;
offset = e->offset;
spin_unlock(&con->writequeue_lock);
- kmap(e->page);
/* Send the first block off the write queue */
iov[0].iov_base = page_address(e->page)+offset;
@@ -855,7 +854,6 @@
if (e->len == 0 && e->users == 0) {
list_del(&e->list);
- kunmap(e->page);
free_entry(e);
}
spin_unlock(&con->writequeue_lock);
@@ -1204,8 +1202,6 @@
if (e) {
got_one:
- if (users == 0)
- kmap(e->page);
*ppc = page_address(e->page) + offset;
return e;
}
@@ -1234,7 +1230,6 @@
if (users)
goto out;
e->len = e->end - e->offset;
- kunmap(e->page);
spin_unlock(&con->writequeue_lock);
if (!test_and_set_bit(CF_WRITE_PENDING, &con->flags)) {
@@ -1273,7 +1268,6 @@
offset = e->offset;
BUG_ON(len == 0 && e->users == 0);
spin_unlock(&con->writequeue_lock);
- kmap(e->page);
ret = 0;
if (len) {
@@ -1295,7 +1289,6 @@
if (e->len == 0 && e->users == 0) {
list_del(&e->list);
- kunmap(e->page);
free_entry(e);
continue;
}