1 files changed, 6 insertions, 0 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 4c867112b4c8..58d0678dfcba 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2258,6 +2258,12 @@ struct btrfs_root *open_ctree(struct super_block *sb,
                 goto fail_sb_buffer;
         }
 
+        if (sectorsize < PAGE_SIZE) {
+                printk(KERN_WARNING "btrfs: Incompatible sector size "
+                       "found on %s\n", sb->s_id);
+                goto fail_sb_buffer;
+        }
+
         mutex_lock(&fs_info->chunk_mutex);
         ret = btrfs_read_sys_array(tree_root);
         mutex_unlock(&fs_info->chunk_mutex);