diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-08-26 15:55:09 +0200 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2021-08-27 01:52:03 +0200 |
| commit | a384f088e4a102b97a59bc0fdaf8b60bca177679 (patch) | |
| tree | 34f4e4a80b37d492f90c0bd7c972120488b430de /fs | |
| parent | dax: stub out dax_supported for !CONFIG_FS_DAX (diff) | |
| download | linux-a384f088e4a102b97a59bc0fdaf8b60bca177679.tar.xz linux-a384f088e4a102b97a59bc0fdaf8b60bca177679.zip | |
xfs: factor out a xfs_buftarg_is_dax helper
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>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20210826135510.6293-9-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_super.c | 15 |
1 files changed, 11 insertions, 4 deletions
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."); |