[PATCH] btrfs: fix typos in comments

[Julia Lawall]

Spelling mistakes (triple letters) in comments.
Detected with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxxx>

---
 fs/btrfs/ctree.h   |    2 +-
 fs/btrfs/subpage.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0e49b1a0c071..5d7da73a4804 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2734,7 +2734,7 @@ int btrfs_get_extent_inline_ref_type(const struct extent_buffer *eb,
 u64 hash_extent_data_ref(u64 root_objectid, u64 owner, u64 offset);
 
 /*
- * Take the number of bytes to be checksummmed and figure out how many leaves
+ * Take the number of bytes to be checksummed and figure out how many leaves
  * it would require to store the csums for that many bytes.
  */
 static inline u64 btrfs_csum_bytes_to_leaves(
diff --git a/fs/btrfs/subpage.c b/fs/btrfs/subpage.c
index a105b291444f..0146fee730a0 100644
--- a/fs/btrfs/subpage.c
+++ b/fs/btrfs/subpage.c
@@ -123,7 +123,7 @@ int btrfs_attach_subpage(const struct btrfs_fs_info *fs_info,
 	struct btrfs_subpage *subpage;
 
 	/*
-	 * We have cases like a dummy extent buffer page, which is not mappped
+	 * We have cases like a dummy extent buffer page, which is not mapped
 	 * and doesn't need to be locked.
 	 */
 	if (page->mapping)