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-rw-r--r--fs/btrfs/disk-io.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c6fdec95c1..349411c3cc 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -291,7 +291,7 @@ error_out:
int btrfs_read_dev_super(struct blk_desc *desc, struct disk_partition *part,
struct btrfs_super_block *sb)
{
- char tmp[BTRFS_SUPER_INFO_SIZE];
+ ALLOC_CACHE_ALIGN_BUFFER(char, tmp, BTRFS_SUPER_INFO_SIZE);
struct btrfs_super_block *buf = (struct btrfs_super_block *)tmp;
int ret;