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Diffstat (limited to 'fs/btrfs/reada.c')
-rw-r--r--fs/btrfs/reada.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 35eaf6893679..2373b39a132b 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -247,7 +247,7 @@ int btree_readahead_hook(struct btrfs_root *root, struct extent_buffer *eb,
static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info,
struct btrfs_device *dev, u64 logical,
- struct btrfs_bio *multi)
+ struct btrfs_bio *bbio)
{
int ret;
int looped = 0;
@@ -297,11 +297,11 @@ again:
kref_init(&zone->refcnt);
zone->elems = 0;
zone->device = dev; /* our device always sits at index 0 */
- for (i = 0; i < multi->num_stripes; ++i) {
+ for (i = 0; i < bbio->num_stripes; ++i) {
/* bounds have already been checked */
- zone->devs[i] = multi->stripes[i].dev;
+ zone->devs[i] = bbio->stripes[i].dev;
}
- zone->ndevs = multi->num_stripes;
+ zone->ndevs = bbio->num_stripes;
spin_lock(&fs_info->reada_lock);
ret = radix_tree_insert(&dev->reada_zones,
@@ -327,7 +327,7 @@ static struct reada_extent *reada_find_extent(struct btrfs_root *root,
struct reada_extent *re = NULL;
struct btrfs_fs_info *fs_info = root->fs_info;
struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
- struct btrfs_bio *multi = NULL;
+ struct btrfs_bio *bbio = NULL;
struct btrfs_device *dev;
u32 blocksize;
u64 length;
@@ -361,21 +361,21 @@ again:
* map block
*/
length = blocksize;
- ret = btrfs_map_block(map_tree, REQ_WRITE, logical, &length, &multi, 0);
- if (ret || !multi || length < blocksize)
+ ret = btrfs_map_block(map_tree, REQ_WRITE, logical, &length, &bbio, 0);
+ if (ret || !bbio || length < blocksize)
goto error;
- if (multi->num_stripes > MAX_MIRRORS) {
+ if (bbio->num_stripes > MAX_MIRRORS) {
printk(KERN_ERR "btrfs readahead: more than %d copies not "
"supported", MAX_MIRRORS);
goto error;
}
- for (nzones = 0; nzones < multi->num_stripes; ++nzones) {
+ for (nzones = 0; nzones < bbio->num_stripes; ++nzones) {
struct reada_zone *zone;
- dev = multi->stripes[nzones].dev;
- zone = reada_find_zone(fs_info, dev, logical, multi);
+ dev = bbio->stripes[nzones].dev;
+ zone = reada_find_zone(fs_info, dev, logical, bbio);
if (!zone)
break;
@@ -407,11 +407,11 @@ again:
goto error;
}
for (i = 0; i < nzones; ++i) {
- dev = multi->stripes[i].dev;
+ dev = bbio->stripes[i].dev;
ret = radix_tree_insert(&dev->reada_extents, index, re);
if (ret) {
while (--i >= 0) {
- dev = multi->stripes[i].dev;
+ dev = bbio->stripes[i].dev;
BUG_ON(dev == NULL);
radix_tree_delete(&dev->reada_extents, index);
}
@@ -423,7 +423,7 @@ again:
}
spin_unlock(&fs_info->reada_lock);
- kfree(multi);
+ kfree(bbio);
return re;
error:
@@ -448,7 +448,7 @@ error:
kref_put(&zone->refcnt, reada_zone_release);
spin_unlock(&fs_info->reada_lock);
}
- kfree(multi);
+ kfree(bbio);
kfree(re);
if (looped)
goto again;