Do not bother looking up the file type in the case when Filesystem-DAX is disabled at build time.
Cc: Alexander Viro <[email protected]> Cc: [email protected] Cc: Christoph Hellwig <[email protected]> Cc: Jan Kara <[email protected]> Signed-off-by: Dan Williams <[email protected]> --- include/linux/fs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index b2fa9b4c1e51..8f80d9fff86d 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3195,6 +3195,8 @@ static inline bool vma_is_fsdax(struct vm_area_struct *vma) if (!vma->vm_file) return false; + if (!IS_ENABLED(CONFIG_FS_DAX)) + return false; if (!vma_is_dax(vma)) return false; inode = file_inode(vma->vm_file);
