On Wed, Apr 22, 2020 at 02:20:57PM -0700, ira.weiny@xxxxxxxxx wrote: > From: Ira Weiny <ira.weiny@xxxxxxxxx> > > As agreed upon[1]. We make the dax mount option a tri-state. '-o dax' > continues to operate the same. We add 'always', 'never', and 'inode' > (default). > > [1] https://lore.kernel.org/lkml/20200405061945.GA94792@xxxxxxxxxxxxxxxxxxxxxxxxx/ > > Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> .... > @@ -129,7 +163,6 @@ xfs_fs_show_options( > { XFS_MOUNT_GRPID, ",grpid" }, > { XFS_MOUNT_DISCARD, ",discard" }, > { XFS_MOUNT_LARGEIO, ",largeio" }, > - { XFS_MOUNT_DAX_ALWAYS, ",dax" }, > { 0, NULL } > }; > struct xfs_mount *mp = XFS_M(root->d_sb); > @@ -185,6 +218,11 @@ xfs_fs_show_options( > if (!(mp->m_qflags & XFS_ALL_QUOTA_ACCT)) > seq_puts(m, ",noquota"); > > + if (mp->m_flags & XFS_MOUNT_DAX_ALWAYS) > + seq_puts(m, ",dax=always"); > + else if (mp->m_flags & XFS_MOUNT_DAX_NEVER) > + seq_puts(m, ",dax=never"); These can never be set at the same time, so please put these in the m_flags options table as XFS_MOUNT_DAX_ALWAYS already is. i.e. @@ -129,7 +163,8 @@ xfs_fs_show_options( { XFS_MOUNT_GRPID, ",grpid" }, { XFS_MOUNT_DISCARD, ",discard" }, { XFS_MOUNT_LARGEIO, ",largeio" }, - { XFS_MOUNT_DAX_ALWAYS, ",dax" }, + { XFS_MOUNT_DAX_ALWAYS, ",dax=always" }, + { XFS_MOUNT_DAX_NEVER, ",dax=never" }, { 0, NULL } }; struct xfs_mount *mp = XFS_M(root->d_sb); Otherwise looks OK. -Dave. -- Dave Chinner david@xxxxxxxxxxxxx
