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-rw-r--r--fs/btrfs/volumes.c7
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index e25e46a8b4e..cc04dc1445d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1898,7 +1898,6 @@ int btrfs_balance(struct btrfs_root *dev_root)
u64 size_to_free;
struct btrfs_path *path;
struct btrfs_key key;
- struct btrfs_chunk *chunk;
struct btrfs_root *chunk_root = dev_root->fs_info->chunk_root;
struct btrfs_trans_handle *trans;
struct btrfs_key found_key;
@@ -1962,9 +1961,6 @@ int btrfs_balance(struct btrfs_root *dev_root)
if (found_key.objectid != key.objectid)
break;
- chunk = btrfs_item_ptr(path->nodes[0],
- path->slots[0],
- struct btrfs_chunk);
/* chunk zero is special */
if (found_key.offset == 0)
break;
@@ -3031,8 +3027,7 @@ int btrfs_map_bio(struct btrfs_root *root, int rw, struct bio *bio,
}
bio->bi_sector = multi->stripes[dev_nr].physical >> 9;
dev = multi->stripes[dev_nr].dev;
- BUG_ON(rw == WRITE && !dev->writeable);
- if (dev && dev->bdev) {
+ if (dev && dev->bdev && (rw != WRITE || dev->writeable)) {
bio->bi_bdev = dev->bdev;
if (async_submit)
schedule_bio(root, dev, rw, bio);