Message ID | 20210826135510.6293-9-hch@lst.de |
---|---|
State | Not Applicable |
Headers | show |
Series | [1/9] fsdax: improve the FS_DAX Kconfig description and help text | expand |
[ add Darrick ] On Thu, Aug 26, 2021 at 7:07 AM Christoph Hellwig <hch@lst.de> wrote: > > Refactor the DAX setup code in preparation of removing > bdev_dax_supported. > > Signed-off-by: Christoph Hellwig <hch@lst.de> > Reviewed-by: Dan Williams <dan.j.williams@intel.com> > --- > fs/xfs/xfs_super.c | 15 +++++++++++---- > 1 file changed, 11 insertions(+), 4 deletions(-) Darrick, any concerns with me taking this through the dax tree? > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > index 2c9e26a44546..5a89bf601d97 100644 > --- a/fs/xfs/xfs_super.c > +++ b/fs/xfs/xfs_super.c > @@ -314,6 +314,14 @@ xfs_set_inode_alloc( > return (mp->m_flags & XFS_MOUNT_32BITINODES) ? maxagi : agcount; > } > > +static bool > +xfs_buftarg_is_dax( > + struct super_block *sb, > + struct xfs_buftarg *bt) > +{ > + return bdev_dax_supported(bt->bt_bdev, sb->s_blocksize); > +} > + > STATIC int > xfs_blkdev_get( > xfs_mount_t *mp, > @@ -1549,11 +1557,10 @@ xfs_fs_fill_super( > xfs_warn(mp, > "DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); > > - datadev_is_dax = bdev_dax_supported(mp->m_ddev_targp->bt_bdev, > - sb->s_blocksize); > + datadev_is_dax = xfs_buftarg_is_dax(sb, mp->m_ddev_targp); > if (mp->m_rtdev_targp) > - rtdev_is_dax = bdev_dax_supported( > - mp->m_rtdev_targp->bt_bdev, sb->s_blocksize); > + rtdev_is_dax = xfs_buftarg_is_dax(sb, > + mp->m_rtdev_targp); > if (!rtdev_is_dax && !datadev_is_dax) { > xfs_alert(mp, > "DAX unsupported by block device. Turning off DAX."); > -- > 2.30.2 > >
On Thu, Aug 26, 2021 at 07:37:29AM -0700, Dan Williams wrote: > [ add Darrick ] > > > On Thu, Aug 26, 2021 at 7:07 AM Christoph Hellwig <hch@lst.de> wrote: > > > > Refactor the DAX setup code in preparation of removing > > bdev_dax_supported. > > > > Signed-off-by: Christoph Hellwig <hch@lst.de> > > Reviewed-by: Dan Williams <dan.j.williams@intel.com> > > --- > > fs/xfs/xfs_super.c | 15 +++++++++++---- > > 1 file changed, 11 insertions(+), 4 deletions(-) > > Darrick, any concerns with me taking this through the dax tree? Nope. Reviewed-by: Darrick J. Wong <djwong@kernel.org> --D > > > > > diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c > > index 2c9e26a44546..5a89bf601d97 100644 > > --- a/fs/xfs/xfs_super.c > > +++ b/fs/xfs/xfs_super.c > > @@ -314,6 +314,14 @@ xfs_set_inode_alloc( > > return (mp->m_flags & XFS_MOUNT_32BITINODES) ? maxagi : agcount; > > } > > > > +static bool > > +xfs_buftarg_is_dax( > > + struct super_block *sb, > > + struct xfs_buftarg *bt) > > +{ > > + return bdev_dax_supported(bt->bt_bdev, sb->s_blocksize); > > +} > > + > > STATIC int > > xfs_blkdev_get( > > xfs_mount_t *mp, > > @@ -1549,11 +1557,10 @@ xfs_fs_fill_super( > > xfs_warn(mp, > > "DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); > > > > - datadev_is_dax = bdev_dax_supported(mp->m_ddev_targp->bt_bdev, > > - sb->s_blocksize); > > + datadev_is_dax = xfs_buftarg_is_dax(sb, mp->m_ddev_targp); > > if (mp->m_rtdev_targp) > > - rtdev_is_dax = bdev_dax_supported( > > - mp->m_rtdev_targp->bt_bdev, sb->s_blocksize); > > + rtdev_is_dax = xfs_buftarg_is_dax(sb, > > + mp->m_rtdev_targp); > > if (!rtdev_is_dax && !datadev_is_dax) { > > xfs_alert(mp, > > "DAX unsupported by block device. Turning off DAX."); > > -- > > 2.30.2 > > > >
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 2c9e26a44546..5a89bf601d97 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -314,6 +314,14 @@ xfs_set_inode_alloc( return (mp->m_flags & XFS_MOUNT_32BITINODES) ? maxagi : agcount; } +static bool +xfs_buftarg_is_dax( + struct super_block *sb, + struct xfs_buftarg *bt) +{ + return bdev_dax_supported(bt->bt_bdev, sb->s_blocksize); +} + STATIC int xfs_blkdev_get( xfs_mount_t *mp, @@ -1549,11 +1557,10 @@ xfs_fs_fill_super( xfs_warn(mp, "DAX enabled. Warning: EXPERIMENTAL, use at your own risk"); - datadev_is_dax = bdev_dax_supported(mp->m_ddev_targp->bt_bdev, - sb->s_blocksize); + datadev_is_dax = xfs_buftarg_is_dax(sb, mp->m_ddev_targp); if (mp->m_rtdev_targp) - rtdev_is_dax = bdev_dax_supported( - mp->m_rtdev_targp->bt_bdev, sb->s_blocksize); + rtdev_is_dax = xfs_buftarg_is_dax(sb, + mp->m_rtdev_targp); if (!rtdev_is_dax && !datadev_is_dax) { xfs_alert(mp, "DAX unsupported by block device. Turning off DAX.");