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Diffstat (limited to 'Documentation/filesystems/porting.rst')
| -rw-r--r-- | Documentation/filesystems/porting.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting.rst b/Documentation/filesystems/porting.rst index 43b492d08dec..bf19fd6b86e7 100644 --- a/Documentation/filesystems/porting.rst +++ b/Documentation/filesystems/porting.rst @@ -899,3 +899,12 @@ iov_iter_copy_from_user_atomic() is gone; use copy_page_from_iter_atomic(). The difference is copy_page_from_iter_atomic() advances the iterator and you don't need iov_iter_advance() after it. However, if you decide to use only a part of obtained data, you should do iov_iter_revert(). + +--- + +**mandatory** + +Calling conventions for file_open_root() changed; now it takes struct path * +instead of passing mount and dentry separately. For callers that used to +pass <mnt, mnt->mnt_root> pair (i.e. the root of given mount), a new helper +is provided - file_open_root_mnt(). In-tree users adjusted. |