From: Christoph Hellwig <hch@lst.de>
To: Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>
Cc: Mike Snitzer <snitzer@redhat.com>,
Matthew Wilcox <willy@infradead.org>,
linux-xfs@vger.kernel.org, nvdimm@lists.linux.dev,
linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org
Subject: [PATCH 8/9] xfs: factor out a xfs_buftarg_is_dax helper
Date: Mon, 23 Aug 2021 14:35:15 +0200 [thread overview]
Message-ID: <20210823123516.969486-9-hch@lst.de> (raw)
In-Reply-To: <20210823123516.969486-1-hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
---
fs/xfs/xfs_super.c | 15 +++++++++++----
1 file 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.");
--
2.30.2
next prev parent reply other threads:[~2021-08-23 12:44 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-23 12:35 dax_supported() related cleanups Christoph Hellwig
2021-08-23 12:35 ` [PATCH 1/9] fsdax: improve the FS_DAX Kconfig description and help text Christoph Hellwig
2021-08-23 18:45 ` Dan Williams
2021-08-24 6:55 ` Christoph Hellwig
2021-08-23 12:35 ` [PATCH 2/9] dax: stop using bdevname Christoph Hellwig
2021-08-23 18:47 ` Dan Williams
2021-08-23 12:35 ` [PATCH 3/9] dm: use fs_dax_get_by_bdev instead of dax_get_by_host Christoph Hellwig
2021-08-23 19:02 ` Dan Williams
2021-08-23 12:35 ` [PATCH 4/9] dax: mark dax_get_by_host static Christoph Hellwig
2021-08-23 20:56 ` Dan Williams
2021-08-23 12:35 ` [PATCH 5/9] dax: move the dax_read_lock() locking into dax_supported Christoph Hellwig
2021-08-23 20:57 ` Dan Williams
2021-08-23 12:35 ` [PATCH 6/9] dax: remove __generic_fsdax_supported Christoph Hellwig
2021-08-23 21:10 ` Dan Williams
2021-08-23 12:35 ` [PATCH 7/9] dax: stub out dax_supported for !CONFIG_FS_DAX Christoph Hellwig
2021-08-23 21:15 ` Dan Williams
2021-08-24 5:44 ` Christoph Hellwig
2021-08-23 12:35 ` Christoph Hellwig [this message]
2021-08-23 21:20 ` [PATCH 8/9] xfs: factor out a xfs_buftarg_is_dax helper Dan Williams
2021-08-23 12:35 ` [PATCH 9/9] dax: remove bdev_dax_supported Christoph Hellwig
2021-08-23 21:22 ` Dan Williams
2021-08-26 13:55 dax_supported() related cleanups v2 Christoph Hellwig
2021-08-26 13:55 ` [PATCH 8/9] xfs: factor out a xfs_buftarg_is_dax helper Christoph Hellwig
2021-08-26 14:37 ` Dan Williams
2021-08-26 15:11 ` Darrick J. Wong
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