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author | David S. Miller <davem@davemloft.net> | 2010-10-21 08:43:05 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2010-10-21 08:43:05 -0700 |
commit | 2198a10b501fd4443430cb17e065a9e859cc58c9 (patch) | |
tree | 87f3781d293da0f8f8f61615905eb7bf62b7c128 /arch/um/drivers/ubd_kern.c | |
parent | 9941fb62762253774cc6177d0b9172ece5133fe1 (diff) | |
parent | db5a753bf198ef7a50e17d2ff358adf37efe8648 (diff) | |
download | linux-2198a10b501fd4443430cb17e065a9e859cc58c9.tar.bz2 |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
net/core/dev.c
Diffstat (limited to 'arch/um/drivers/ubd_kern.c')
-rw-r--r-- | arch/um/drivers/ubd_kern.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c index 1bcd208c459f..9734994cba1e 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -163,6 +163,7 @@ struct ubd { struct scatterlist sg[MAX_SG]; struct request *request; int start_sg, end_sg; + sector_t rq_pos; }; #define DEFAULT_COW { \ @@ -187,6 +188,7 @@ struct ubd { .request = NULL, \ .start_sg = 0, \ .end_sg = 0, \ + .rq_pos = 0, \ } /* Protected by ubd_lock */ @@ -1228,7 +1230,6 @@ static void do_ubd_request(struct request_queue *q) { struct io_thread_req *io_req; struct request *req; - sector_t sector; int n; while(1){ @@ -1239,12 +1240,12 @@ static void do_ubd_request(struct request_queue *q) return; dev->request = req; + dev->rq_pos = blk_rq_pos(req); dev->start_sg = 0; dev->end_sg = blk_rq_map_sg(q, req, dev->sg); } req = dev->request; - sector = blk_rq_pos(req); while(dev->start_sg < dev->end_sg){ struct scatterlist *sg = &dev->sg[dev->start_sg]; @@ -1256,10 +1257,9 @@ static void do_ubd_request(struct request_queue *q) return; } prepare_request(req, io_req, - (unsigned long long)sector << 9, + (unsigned long long)dev->rq_pos << 9, sg->offset, sg->length, sg_page(sg)); - sector += sg->length >> 9; n = os_write_file(thread_fd, &io_req, sizeof(struct io_thread_req *)); if(n != sizeof(struct io_thread_req *)){ @@ -1272,6 +1272,7 @@ static void do_ubd_request(struct request_queue *q) return; } + dev->rq_pos += sg->length >> 9; dev->start_sg++; } dev->end_sg = 0; |