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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>
This commit is contained in:
Mikulas Patocka 2011-08-02 12:32:02 +01:00 committed by Alasdair G Kergon
parent e29e65aacb
commit 4622afb3f5
1 changed files with 2 additions and 5 deletions
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7
drivers/md/dm-kcopyd.c
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@ -224,7 +224,6 @@ struct kcopyd_job {
unsigned int num_dests; unsigned int num_dests;
struct dm_io_region dests[DM_KCOPYD_MAX_REGIONS]; struct dm_io_region dests[DM_KCOPYD_MAX_REGIONS];
sector_t offset;
unsigned int nr_pages; unsigned int nr_pages;
struct page_list *pages; struct page_list *pages;
@ -380,7 +379,7 @@ static int run_io_job(struct kcopyd_job *job)
.bi_rw = job->rw, .bi_rw = job->rw,
.mem.type = DM_IO_PAGE_LIST, .mem.type = DM_IO_PAGE_LIST,
.mem.ptr.pl = job->pages, .mem.ptr.pl = job->pages,
.mem.offset = job->offset, .mem.offset = 0,
.notify.fn = complete_io, .notify.fn = complete_io,
.notify.context = job, .notify.context = job,
.client = job->kc->io_client, .client = job->kc->io_client,
@ -398,8 +397,7 @@ static int run_pages_job(struct kcopyd_job *job)
{ {
int r; int r;
job->nr_pages = dm_div_up(job->dests[0].count + job->offset, job->nr_pages = dm_div_up(job->dests[0].count, PAGE_SIZE >> 9);
PAGE_SIZE >> 9);
r = kcopyd_get_pages(job->kc, job->nr_pages, &job->pages); r = kcopyd_get_pages(job->kc, job->nr_pages, &job->pages);
if (!r) { if (!r) {
/* this job is ready for io */ /* 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; job->num_dests = num_dests;
memcpy(&job->dests, dests, sizeof(*dests) * num_dests); memcpy(&job->dests, dests, sizeof(*dests) * num_dests);
job->offset = 0;
job->nr_pages = 0; job->nr_pages = 0;
job->pages = NULL; job->pages = NULL;