dm kcopyd: remove offset field from job structure

The offset field in struct kcopyd_job is always zero so remove it.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>

1 files changed, 2 insertions, 5 deletions

diff --git a/drivers/md/dm-kcopyd.c b/drivers/md/dm-kcopyd.c
index 320401dec104..e7926fa1eef2 100644
--- a/drivers/md/dm-kcopyd.c
+++ b/drivers/md/dm-kcopyd.c
@@ -224,7 +224,6 @@ struct kcopyd_job {
         unsigned int num_dests;
         struct dm_io_region dests[DM_KCOPYD_MAX_REGIONS];
 
-        sector_t offset;
         unsigned int nr_pages;
         struct page_list *pages;
 
@@ -380,7 +379,7 @@ static int run_io_job(struct kcopyd_job *job)
                 .bi_rw = job->rw,
                 .mem.type = DM_IO_PAGE_LIST,
                 .mem.ptr.pl = job->pages,
-                .mem.offset = job->offset,
+                .mem.offset = 0,
                 .notify.fn = complete_io,
                 .notify.context = job,
                 .client = job->kc->io_client,
@@ -398,8 +397,7 @@ static int run_pages_job(struct kcopyd_job *job)
 {
         int r;
 
-        job->nr_pages = dm_div_up(job->dests[0].count + job->offset,
-                                  PAGE_SIZE >> 9);
+        job->nr_pages = dm_div_up(job->dests[0].count, PAGE_SIZE >> 9);
         r = kcopyd_get_pages(job->kc, job->nr_pages, &job->pages);
         if (!r) {
                 /* this job is ready for io */
@@ -602,7 +600,6 @@ int dm_kcopyd_copy(struct dm_kcopyd_client *kc, struct dm_io_region *from,
         job->num_dests = num_dests;
         memcpy(&job->dests, dests, sizeof(*dests) * num_dests);
 
-        job->offset = 0;
         job->nr_pages = 0;
         job->pages = NULL;