Documentation: filesystems: fix two misspells

This fixes two small misspells in the filesystems documentation.

Signed-off-by: Bingwu Zhang <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: xtexx

Documentation/filesystems/iomap/operations.rst

@@ -104,7 +104,7 @@ iomap calls these functions:
 
     For the pagecache, races can happen if writeback doesn't take
     ``i_rwsem`` or ``invalidate_lock`` and updates mapping information.
-    Races can also happen if the filesytem allows concurrent writes.
+    Races can also happen if the filesystem allows concurrent writes.
     For such files, the mapping *must* be revalidated after the folio
     lock has been taken so that iomap can manage the folio correctly.
 

Documentation/filesystems/overlayfs.rst

@@ -156,7 +156,7 @@ A directory is made opaque by setting the xattr "trusted.overlay.opaque"
 to "y".  Where the upper filesystem contains an opaque directory, any
 directory in the lower filesystem with the same name is ignored.
 
-An opaque directory should not conntain any whiteouts, because they do not
+An opaque directory should not contain any whiteouts, because they do not
 serve any purpose.  A merge directory containing regular files with the xattr
 "trusted.overlay.whiteout", should be additionally marked by setting the xattr
 "trusted.overlay.opaque" to "x" on the merge directory itself.