From: Ira Weiny <ira.weiny@xxxxxxxxx> When preventing DAX and journaling on an inode. Use the effective DAX check rather than the mount option. This will be required to support per inode DAX flags. Reviewed-by: Jan Kara <jack@xxxxxxx> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> --- fs/ext4/ioctl.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index bfc1281fc4cb..5813e5e73eab 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -393,9 +393,9 @@ static int ext4_ioctl_setflags(struct inode *inode, if ((jflag ^ oldflags) & (EXT4_JOURNAL_DATA_FL)) { /* * Changes to the journaling mode can cause unsafe changes to - * S_DAX if we are using the DAX mount option. + * S_DAX if the inode is DAX */ - if (test_opt(inode->i_sb, DAX)) { + if (IS_DAX(inode)) { err = -EBUSY; goto flags_out; } -- 2.25.1