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authorJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
committerJens Axboe <jaxboe@fusionio.com>2010-10-19 09:13:04 +0200
commitfa251f89903d73989e2f63e13d0eaed1e07ce0da (patch)
tree3f7fe779941e3b6d67754dd7c44a32f48ea47c74 /drivers/block
parentdd3932eddf428571762596e17b65f5dc92ca361b (diff)
parentcd07202cc8262e1669edff0d97715f3dd9260917 (diff)
downloadlinux-fa251f89903d73989e2f63e13d0eaed1e07ce0da.tar.gz
Merge branch 'v2.6.36-rc8' into for-2.6.37/barrier
Conflicts: block/blk-core.c drivers/block/loop.c mm/swapfile.c Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/cciss.c13
-rw-r--r--drivers/block/mg_disk.c3
-rw-r--r--drivers/block/pktcdvd.c2
-rw-r--r--drivers/block/virtio_blk.c6
-rw-r--r--drivers/block/xen-blkfront.c2
5 files changed, 20 insertions, 6 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 31064df1370a..5e4fadcdece9 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -297,6 +297,8 @@ static void enqueue_cmd_and_start_io(ctlr_info_t *h,
spin_lock_irqsave(&h->lock, flags);
addQ(&h->reqQ, c);
h->Qdepth++;
+ if (h->Qdepth > h->maxQsinceinit)
+ h->maxQsinceinit = h->Qdepth;
start_io(h);
spin_unlock_irqrestore(&h->lock, flags);
}
@@ -4519,6 +4521,12 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev)
misc_fw_support = readl(&cfgtable->misc_fw_support);
use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET;
+ /* The doorbell reset seems to cause lockups on some Smart
+ * Arrays (e.g. P410, P410i, maybe others). Until this is
+ * fixed or at least isolated, avoid the doorbell reset.
+ */
+ use_doorbell = 0;
+
rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell);
if (rc)
goto unmap_cfgtable;
@@ -4712,6 +4720,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
h->scatter_list = kmalloc(h->max_commands *
sizeof(struct scatterlist *),
GFP_KERNEL);
+ if (!h->scatter_list)
+ goto clean4;
+
for (k = 0; k < h->nr_cmds; k++) {
h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) *
h->maxsgentries,
@@ -4781,7 +4792,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
clean4:
kfree(h->cmd_pool_bits);
/* Free up sg elements */
- for (k = 0; k < h->nr_cmds; k++)
+ for (k-- ; k >= 0; k--)
kfree(h->scatter_list[k]);
kfree(h->scatter_list);
cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds);
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index b82c5ce5e9df..76fa3deaee84 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -974,8 +974,7 @@ static int mg_probe(struct platform_device *plat_dev)
host->breq->queuedata = host;
/* mflash is random device, thanx for the noop */
- elevator_exit(host->breq->elevator);
- err = elevator_init(host->breq, "noop");
+ err = elevator_change(host->breq, "noop");
if (err) {
printk(KERN_ERR "%s:%d (elevator_init) fail\n",
__func__, __LINE__);
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 0166ea136045..1b5cfcccd654 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2368,7 +2368,7 @@ static void pkt_release_dev(struct pktcdvd_device *pd, int flush)
pkt_shrink_pktlist(pd);
}
-static struct pktcdvd_device *pkt_find_dev_from_minor(int dev_minor)
+static struct pktcdvd_device *pkt_find_dev_from_minor(unsigned int dev_minor)
{
if (dev_minor >= MAX_WRITERS)
return NULL;
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 126062802cb7..831e75caea3d 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -199,6 +199,7 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str)
struct virtio_blk *vblk = disk->private_data;
struct request *req;
struct bio *bio;
+ int err;
bio = bio_map_kern(vblk->disk->queue, id_str, VIRTIO_BLK_ID_BYTES,
GFP_KERNEL);
@@ -212,7 +213,10 @@ static int virtblk_get_id(struct gendisk *disk, char *id_str)
}
req->cmd_type = REQ_TYPE_SPECIAL;
- return blk_execute_rq(vblk->disk->queue, vblk->disk, req, false);
+ err = blk_execute_rq(vblk->disk->queue, vblk->disk, req, false);
+ blk_put_request(req);
+
+ return err;
}
static int virtblk_locked_ioctl(struct block_device *bdev, fmode_t mode,
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 0b1eea643262..f2ffc46644df 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -820,7 +820,7 @@ static int blkfront_probe(struct xenbus_device *dev,
char *type;
int len;
/* no unplug has been done: do not hook devices != xen vbds */
- if (xen_platform_pci_unplug & XEN_UNPLUG_IGNORE) {
+ if (xen_platform_pci_unplug & XEN_UNPLUG_UNNECESSARY) {
int major;
if (!VDEV_IS_EXTENDED(vdevice))