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path: root/drivers/block/aoe/aoeblk.c
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Diffstat (limited to 'drivers/block/aoe/aoeblk.c')
-rw-r--r--drivers/block/aoe/aoeblk.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 393b86a3dbf..d433f27e0ce 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2004 Coraid, Inc. See COPYING for GPL terms. */
+/* Copyright (c) 2006 Coraid, Inc. See COPYING for GPL terms. */
/*
* aoeblk.c
* block device routines
@@ -14,7 +14,6 @@
static kmem_cache_t *buf_pool_cache;
-/* add attributes for our block devices in sysfs */
static ssize_t aoedisk_show_state(struct gendisk * disk, char *page)
{
struct aoedev *d = disk->private_data;
@@ -64,21 +63,26 @@ static struct disk_attribute disk_attr_fwver = {
.show = aoedisk_show_fwver
};
-static void
+static struct attribute *aoe_attrs[] = {
+ &disk_attr_state.attr,
+ &disk_attr_mac.attr,
+ &disk_attr_netif.attr,
+ &disk_attr_fwver.attr,
+};
+
+static const struct attribute_group attr_group = {
+ .attrs = aoe_attrs,
+};
+
+static int
aoedisk_add_sysfs(struct aoedev *d)
{
- sysfs_create_file(&d->gd->kobj, &disk_attr_state.attr);
- sysfs_create_file(&d->gd->kobj, &disk_attr_mac.attr);
- sysfs_create_file(&d->gd->kobj, &disk_attr_netif.attr);
- sysfs_create_file(&d->gd->kobj, &disk_attr_fwver.attr);
+ return sysfs_create_group(&d->gd->kobj, &attr_group);
}
void
aoedisk_rm_sysfs(struct aoedev *d)
{
- sysfs_remove_link(&d->gd->kobj, "state");
- sysfs_remove_link(&d->gd->kobj, "mac");
- sysfs_remove_link(&d->gd->kobj, "netif");
- sysfs_remove_link(&d->gd->kobj, "firmware-version");
+ sysfs_remove_group(&d->gd->kobj, &attr_group);
}
static int
@@ -132,8 +136,7 @@ aoeblk_make_request(request_queue_t *q, struct bio *bio)
d = bio->bi_bdev->bd_disk->private_data;
buf = mempool_alloc(d->bufpool, GFP_NOIO);
if (buf == NULL) {
- printk(KERN_INFO "aoe: aoeblk_make_request: buf allocation "
- "failure\n");
+ printk(KERN_INFO "aoe: buf allocation failure\n");
bio_endio(bio, bio->bi_size, -ENOMEM);
return 0;
}
@@ -143,14 +146,15 @@ aoeblk_make_request(request_queue_t *q, struct bio *bio)
buf->bio = bio;
buf->resid = bio->bi_size;
buf->sector = bio->bi_sector;
- buf->bv = buf->bio->bi_io_vec;
+ 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;
spin_lock_irqsave(&d->lock, flags);
if ((d->flags & DEVFL_UP) == 0) {
- printk(KERN_INFO "aoe: aoeblk_make_request: device %ld.%ld is not up\n",
+ printk(KERN_INFO "aoe: device %ld.%ld is not up\n",
d->aoemajor, d->aoeminor);
spin_unlock_irqrestore(&d->lock, flags);
mempool_free(buf, d->bufpool);
@@ -176,7 +180,7 @@ aoeblk_getgeo(struct block_device *bdev, struct hd_geometry *geo)
struct aoedev *d = bdev->bd_disk->private_data;
if ((d->flags & DEVFL_UP) == 0) {
- printk(KERN_ERR "aoe: aoeblk_ioctl: disk not up\n");
+ printk(KERN_ERR "aoe: disk not up\n");
return -ENODEV;
}
@@ -203,8 +207,8 @@ aoeblk_gdalloc(void *vp)
gd = alloc_disk(AOE_PARTITIONS);
if (gd == NULL) {
- printk(KERN_ERR "aoe: aoeblk_gdalloc: cannot allocate disk "
- "structure for %ld.%ld\n", d->aoemajor, d->aoeminor);
+ printk(KERN_ERR "aoe: cannot allocate disk structure for %ld.%ld\n",
+ d->aoemajor, d->aoeminor);
spin_lock_irqsave(&d->lock, flags);
d->flags &= ~DEVFL_GDALLOC;
spin_unlock_irqrestore(&d->lock, flags);
@@ -213,8 +217,8 @@ aoeblk_gdalloc(void *vp)
d->bufpool = mempool_create_slab_pool(MIN_BUFS, buf_pool_cache);
if (d->bufpool == NULL) {
- printk(KERN_ERR "aoe: aoeblk_gdalloc: cannot allocate bufpool "
- "for %ld.%ld\n", d->aoemajor, d->aoeminor);
+ printk(KERN_ERR "aoe: cannot allocate bufpool for %ld.%ld\n",
+ d->aoemajor, d->aoeminor);
put_disk(gd);
spin_lock_irqsave(&d->lock, flags);
d->flags &= ~DEVFL_GDALLOC;