From: Ira Weiny <ira.weiny@xxxxxxxxx> Remove the check because DAX now has it's own read/write methods and file systems which support DAX check IS_DAX() prior to IOCB_DIRECT on their own. Therefore, it does not matter if the file state is DAX when the iocb flags are created. Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx> Reviewed-by: Jan Kara <jack@xxxxxxx> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> --- Changes from v3: Reword commit message. Reordered to be a 'pre-cleanup' patch --- include/linux/fs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/fs.h b/include/linux/fs.h index abedbffe2c9e..f97b99c36cee 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3389,7 +3389,7 @@ extern int file_update_time(struct file *file); static inline bool io_is_direct(struct file *filp) { - return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host); + return (filp->f_flags & O_DIRECT); } static inline bool vma_is_dax(struct vm_area_struct *vma) -- 2.25.1