[PATCH] Fix spelling and gramatical errors

[Xiaxi Shen <shenxiaxi26@gmail.com>]

Fixed 3 typos in design.rst

Signed-off-by: Xiaxi Shen <shenxiaxi26@gmail.com>
---
 Documentation/filesystems/iomap/design.rst | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/Documentation/filesystems/iomap/design.rst b/Documentation/filesystems/iomap/design.rst
index f8ee3427bc1a..37594e1c5914 100644
--- a/Documentation/filesystems/iomap/design.rst
+++ b/Documentation/filesystems/iomap/design.rst
@@ -142,9 +142,9 @@ Definitions
  * **pure overwrite**: A write operation that does not require any
    metadata or zeroing operations to perform during either submission
    or completion.
-   This implies that the fileystem must have already allocated space
+   This implies that the filesystem must have already allocated space
    on disk as ``IOMAP_MAPPED`` and the filesystem must not place any
-   constaints on IO alignment or size.
+   constraints on IO alignment or size.
    The only constraints on I/O alignment are device level (minimum I/O
    size and alignment, typically sector size).
 
@@ -394,7 +394,7 @@ iomap is concerned:
 
  * The **upper** level primitive is provided by the filesystem to
    coordinate access to different iomap operations.
-   The exact primitive is specifc to the filesystem and operation,
+   The exact primitive is specific to the filesystem and operation,
    but is often a VFS inode, pagecache invalidation, or folio lock.
    For example, a filesystem might take ``i_rwsem`` before calling
    ``iomap_file_buffered_write`` and ``iomap_file_unshare`` to prevent
-- 
2.34.1