Merge branch 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block

* 'for-linus' of git://git.kernel.dk/data/git/linux-2.6-block: (63 commits)
  Fix memory leak in dm-crypt
  SPARC64: sg chaining support
  SPARC: sg chaining support
  PPC: sg chaining support
  PS3: sg chaining support
  IA64: sg chaining support
  x86-64: enable sg chaining
  x86-64: update pci-gart iommu to sg helpers
  x86-64: update nommu to sg helpers
  x86-64: update calgary iommu to sg helpers
  swiotlb: sg chaining support
  i386: enable sg chaining
  i386 dma_map_sg: convert to using sg helpers
  mmc: need to zero sglist on init
  Panic in blk_rq_map_sg() from CCISS driver
  remove sglist_len
  remove blk_queue_max_phys_segments in libata
  revert sg segment size ifdefs
  Fixup u14-34f ENABLE_SG_CHAINING
  qla1280: enable use_sg_chaining option
  ...

4 files changed, 9 insertions, 24 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 55c3237fb1bc..3fb7e8bc436d 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1191,7 +1191,6 @@ static inline void complete_buffers(struct bio *bio, int status)
 {
         while (bio) {
                 struct bio *xbh = bio->bi_next;
-                int nr_sectors = bio_sectors(bio);
 
                 bio->bi_next = NULL;
                 bio_endio(bio, status ? 0 : -EIO);
@@ -2570,6 +2569,7 @@ static void do_cciss_request(struct request_queue *q)
                (int)creq->nr_sectors);
 #endif                          /* CCISS_DEBUG */
 
+        memset(tmp_sg, 0, sizeof(tmp_sg));
         seg = blk_rq_map_sg(q, creq, tmp_sg);
 
         /* get the DMA records for the setup */
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 3853c9a38d6a..568603d3043e 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -981,9 +981,8 @@ static void start_io(ctlr_info_t *h)
 static inline void complete_buffers(struct bio *bio, int ok)
 {
         struct bio *xbh;
-        while(bio) {
-                int nr_sectors = bio_sectors(bio);
 
+        while (bio) {
                 xbh = bio->bi_next;
                 bio->bi_next = NULL;
                 
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 540bf3676985..a8130a4ad6d4 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -1133,16 +1133,21 @@ static void pkt_gather_data(struct pktcdvd_device *pd, struct packet_data *pkt)
          * Schedule reads for missing parts of the packet.
          */
         for (f = 0; f < pkt->frames; f++) {
+                struct bio_vec *vec;
+
                 int p, offset;
                 if (written[f])
                         continue;
                 bio = pkt->r_bios[f];
+                vec = bio->bi_io_vec;
                 bio_init(bio);
                 bio->bi_max_vecs = 1;
                 bio->bi_sector = pkt->sector + f * (CD_FRAMESIZE >> 9);
                 bio->bi_bdev = pd->bdev;
                 bio->bi_end_io = pkt_end_io_read;
                 bio->bi_private = pkt;
+                bio->bi_io_vec = vec;
+                bio->bi_destructor = pkt_bio_destructor;
 
                 p = (f * CD_FRAMESIZE) / PAGE_SIZE;
                 offset = (f * CD_FRAMESIZE) % PAGE_SIZE;
@@ -1439,6 +1444,8 @@ static void pkt_start_write(struct pktcdvd_device *pd, struct packet_data *pkt)
         pkt->w_bio->bi_bdev = pd->bdev;
         pkt->w_bio->bi_end_io = pkt_end_io_packet_write;
         pkt->w_bio->bi_private = pkt;
+        pkt->w_bio->bi_io_vec = bvec;
+        pkt->w_bio->bi_destructor = pkt_bio_destructor;
         for (f = 0; f < pkt->frames; f++)
                 if (!bio_add_page(pkt->w_bio, bvec[f].bv_page, CD_FRAMESIZE, bvec[f].bv_offset))
                         BUG();
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index 06d0552cf49c..e354bfc070e1 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -414,26 +414,6 @@ static void ps3disk_prepare_flush(struct request_queue *q, struct request *req)
         req->cmd_type = REQ_TYPE_FLUSH;
 }
 
-static int ps3disk_issue_flush(struct request_queue *q, struct gendisk *gendisk,
-                               sector_t *sector)
-{
-        struct ps3_storage_device *dev = q->queuedata;
-        struct request *req;
-        int res;
-
-        dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__);
-
-        req = blk_get_request(q, WRITE, __GFP_WAIT);
-        ps3disk_prepare_flush(q, req);
-        res = blk_execute_rq(q, gendisk, req, 0);
-        if (res)
-                dev_err(&dev->sbd.core, "%s:%u: flush request failed %d\n",
-                        __func__, __LINE__, res);
-        blk_put_request(req);
-        return res;
-}
-
-
 static unsigned long ps3disk_mask;
 
 static DEFINE_MUTEX(ps3disk_mask_mutex);
@@ -506,7 +486,6 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev)
         blk_queue_dma_alignment(queue, dev->blk_size-1);
         blk_queue_hardsect_size(queue, dev->blk_size);
 
-        blk_queue_issue_flush_fn(queue, ps3disk_issue_flush);
         blk_queue_ordered(queue, QUEUE_ORDERED_DRAIN_FLUSH,
                           ps3disk_prepare_flush);