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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-09 21:39:57 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-09-09 21:39:57 +0300 |
| commit | 2e5fd489a4e5fcc97b035c03ace724c1d481a4c1 (patch) | |
| tree | de1705048e3d2c71c74b7547e149b2973ebb29e1 /fs/xfs | |
| parent | 4b105f4a256ae629522a7ed1611aba28fd282bd5 (diff) | |
| parent | 3fc3725357414636d91be1558ce8b14f228b4bda (diff) | |
| download | linux-2e5fd489a4e5fcc97b035c03ace724c1d481a4c1.tar.xz | |
Merge tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams:
- Fix a race condition in the teardown path of raw mode pmem
namespaces.
- Cleanup the code that filesystems use to detect filesystem-dax
capabilities of their underlying block device.
* tag 'libnvdimm-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
dax: remove bdev_dax_supported
xfs: factor out a xfs_buftarg_is_dax helper
dax: stub out dax_supported for !CONFIG_FS_DAX
dax: remove __generic_fsdax_supported
dax: move the dax_read_lock() locking into dax_supported
dax: mark dax_get_by_host static
dm: use fs_dax_get_by_bdev instead of dax_get_by_host
dax: stop using bdevname
fsdax: improve the FS_DAX Kconfig description and help text
libnvdimm/pmem: Fix crash triggered when I/O in-flight during unbind
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_super.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 9a86d3ec2cb6..c4e0cd1c1c8c 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -330,6 +330,15 @@ xfs_set_inode_alloc( return xfs_is_inode32(mp) ? maxagi : agcount; } +static bool +xfs_buftarg_is_dax( + struct super_block *sb, + struct xfs_buftarg *bt) +{ + return dax_supported(bt->bt_daxdev, bt->bt_bdev, sb->s_blocksize, 0, + bdev_nr_sectors(bt->bt_bdev)); +} + STATIC int xfs_blkdev_get( xfs_mount_t *mp, @@ -1588,11 +1597,10 @@ 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."); |