Do not bother looking up the file type in the case when Filesystem-DAX is disabled at build time. Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: linux-fsdevel@xxxxxxxxxxxxxxx Cc: Christoph Hellwig <hch@xxxxxx> Cc: Jan Kara <jack@xxxxxxx> Signed-off-by: Dan Williams <dan.j.williams@xxxxxxxxx> --- 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); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
