-/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2007 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoeblk.c
* block device routines
return snprintf(page, PAGE_SIZE,
"%s%s\n",
(d->flags & DEVFL_UP) ? "up" : "down",
- (d->flags & DEVFL_PAUSE) ? ",paused" :
+ (d->flags & DEVFL_KICKME) ? ",kickme" :
(d->nopen && !(d->flags & DEVFL_UP)) ? ",closewait" : "");
/* I'd rather see nopen exported so we can ditch closewait */
}
{
struct gendisk *disk = dev_to_disk(dev);
struct aoedev *d = disk->private_data;
+ struct aoetgt *t = d->targets[0];
- return snprintf(page, PAGE_SIZE, "%012llx\n",
- (unsigned long long)mac_addr(d->addr));
+ if (t == NULL)
+ return snprintf(page, PAGE_SIZE, "none\n");
+ return snprintf(page, PAGE_SIZE, "%pm\n", t->addr);
}
static ssize_t aoedisk_show_netif(struct device *dev,
struct device_attribute *attr, char *page)
{
struct gendisk *disk = dev_to_disk(dev);
struct aoedev *d = disk->private_data;
+ struct net_device *nds[8], **nd, **nnd, **ne;
+ struct aoetgt **t, **te;
+ struct aoeif *ifp, *e;
+ char *p;
+
+ memset(nds, 0, sizeof nds);
+ nd = nds;
+ ne = nd + ARRAY_SIZE(nds);
+ t = d->targets;
+ te = t + NTARGETS;
+ for (; t < te && *t; t++) {
+ ifp = (*t)->ifs;
+ e = ifp + NAOEIFS;
+ for (; ifp < e && ifp->nd; ifp++) {
+ for (nnd = nds; nnd < nd; nnd++)
+ if (*nnd == ifp->nd)
+ break;
+ if (nnd == nd && nd != ne)
+ *nd++ = ifp->nd;
+ }
+ }
- return snprintf(page, PAGE_SIZE, "%s\n", d->ifp->name);
+ ne = nd;
+ nd = nds;
+ if (*nd == NULL)
+ return snprintf(page, PAGE_SIZE, "none\n");
+ for (p = page; nd < ne; nd++)
+ p += snprintf(p, PAGE_SIZE - (p-page), "%s%s",
+ p == page ? "" : ",", (*nd)->name);
+ p += snprintf(p, PAGE_SIZE - (p-page), "\n");
+ return p-page;
}
/* firmware version */
static ssize_t aoedisk_show_fwver(struct device *dev,
static DEVICE_ATTR(mac, S_IRUGO, aoedisk_show_mac, NULL);
static DEVICE_ATTR(netif, S_IRUGO, aoedisk_show_netif, NULL);
static struct device_attribute dev_attr_firmware_version = {
- .attr = { .name = "firmware-version", .mode = S_IRUGO, .owner = THIS_MODULE },
+ .attr = { .name = "firmware-version", .mode = S_IRUGO },
.show = aoedisk_show_fwver,
};
static int
aoedisk_add_sysfs(struct aoedev *d)
{
- return sysfs_create_group(&d->gd->dev.kobj, &attr_group);
+ return sysfs_create_group(&disk_to_dev(d->gd)->kobj, &attr_group);
}
void
aoedisk_rm_sysfs(struct aoedev *d)
{
- sysfs_remove_group(&d->gd->dev.kobj, &attr_group);
+ sysfs_remove_group(&disk_to_dev(d->gd)->kobj, &attr_group);
}
static int
-aoeblk_open(struct inode *inode, struct file *filp)
+aoeblk_open(struct block_device *bdev, fmode_t mode)
{
- struct aoedev *d;
+ struct aoedev *d = bdev->bd_disk->private_data;
ulong flags;
- d = inode->i_bdev->bd_disk->private_data;
-
spin_lock_irqsave(&d->lock, flags);
if (d->flags & DEVFL_UP) {
d->nopen++;
}
static int
-aoeblk_release(struct inode *inode, struct file *filp)
+aoeblk_release(struct gendisk *disk, fmode_t mode)
{
- struct aoedev *d;
+ struct aoedev *d = disk->private_data;
ulong flags;
- d = inode->i_bdev->bd_disk->private_data;
-
spin_lock_irqsave(&d->lock, flags);
if (--d->nopen == 0) {
static int
aoeblk_make_request(struct request_queue *q, struct bio *bio)
{
+ struct sk_buff_head queue;
struct aoedev *d;
struct buf *buf;
- struct sk_buff *sl;
ulong flags;
blk_queue_bounce(q, &bio);
+ if (bio == NULL) {
+ printk(KERN_ERR "aoe: bio is NULL\n");
+ BUG();
+ return 0;
+ }
d = bio->bi_bdev->bd_disk->private_data;
+ if (d == NULL) {
+ printk(KERN_ERR "aoe: bd_disk->private_data is NULL\n");
+ BUG();
+ bio_endio(bio, -ENXIO);
+ return 0;
+ } else if (bio->bi_io_vec == NULL) {
+ printk(KERN_ERR "aoe: bi_io_vec is NULL\n");
+ BUG();
+ bio_endio(bio, -ENXIO);
+ return 0;
+ }
buf = mempool_alloc(d->bufpool, GFP_NOIO);
if (buf == NULL) {
printk(KERN_INFO "aoe: buf allocation failure\n");
}
memset(buf, 0, sizeof(*buf));
INIT_LIST_HEAD(&buf->bufs);
- buf->start_time = jiffies;
+ buf->stime = jiffies;
buf->bio = bio;
buf->resid = bio->bi_size;
buf->sector = bio->bi_sector;
buf->bv = &bio->bi_io_vec[bio->bi_idx];
- WARN_ON(buf->bv->bv_len == 0);
buf->bv_resid = buf->bv->bv_len;
- buf->bufaddr = page_address(buf->bv->bv_page) + buf->bv->bv_offset;
+ WARN_ON(buf->bv_resid == 0);
+ buf->bv_off = buf->bv->bv_offset;
spin_lock_irqsave(&d->lock, flags);
if ((d->flags & DEVFL_UP) == 0) {
- printk(KERN_INFO "aoe: device %ld.%ld is not up\n",
+ printk(KERN_INFO "aoe: device %ld.%d is not up\n",
d->aoemajor, d->aoeminor);
spin_unlock_irqrestore(&d->lock, flags);
mempool_free(buf, d->bufpool);
list_add_tail(&buf->bufs, &d->bufq);
aoecmd_work(d);
- sl = d->sendq_hd;
- d->sendq_hd = d->sendq_tl = NULL;
+ __skb_queue_head_init(&queue);
+ skb_queue_splice_init(&d->sendq, &queue);
spin_unlock_irqrestore(&d->lock, flags);
- aoenet_xmit(sl);
+ aoenet_xmit(&queue);
return 0;
}
gd = alloc_disk(AOE_PARTITIONS);
if (gd == NULL) {
- printk(KERN_ERR "aoe: cannot allocate disk structure for %ld.%ld\n",
+ printk(KERN_ERR
+ "aoe: cannot allocate disk structure for %ld.%d\n",
d->aoemajor, d->aoeminor);
goto err;
}
d->bufpool = mempool_create_slab_pool(MIN_BUFS, buf_pool_cache);
if (d->bufpool == NULL) {
- printk(KERN_ERR "aoe: cannot allocate bufpool for %ld.%ld\n",
+ printk(KERN_ERR "aoe: cannot allocate bufpool for %ld.%d\n",
d->aoemajor, d->aoeminor);
goto err_disk;
}
gd->first_minor = d->sysminor * AOE_PARTITIONS;
gd->fops = &aoe_bdops;
gd->private_data = d;
- gd->capacity = d->ssize;
- snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%ld",
+ set_capacity(gd, d->ssize);
+ snprintf(gd->disk_name, sizeof gd->disk_name, "etherd/e%ld.%d",
d->aoemajor, d->aoeminor);
gd->queue = &d->blkq;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff