ich777/linux_media
1
0
Fork 0
mirror of https://github.com/tbsdtv/linux_media.git synced 2025-07-23 20:51:03 +02:00
Code Issues Packages Projects Releases Wiki Activity

dax: remove dax_capable

Browse Source 
Just open code the block size and dax_dev == NULL checks in the callers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Mike Snitzer <snitzer@redhat.com>
Reviewed-by: Gao Xiang <hsiangkao@linux.alibaba.com> [erofs]
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Link: https://lore.kernel.org/r/20211129102203.2243509-9-hch@lst.de
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Christoph Hellwig
2021-11-29 11:21:42 +01:00
committed by Dan Williams
parent 679a99495b
commit 7b0800d00d
11 changed files with 36 additions and 110 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
fs/xfs/xfs_super.c
View File

@@ -331,28 +331,23 @@ 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_setup_dax_always(
struct xfs_mount *mp)
{
struct super_block *sb = mp->m_super;
if (!xfs_buftarg_is_dax(sb, mp->m_ddev_targp) &&
(!mp->m_rtdev_targp || !xfs_buftarg_is_dax(sb, mp->m_rtdev_targp))) {
if (!mp->m_ddev_targp->bt_daxdev &&
(!mp->m_rtdev_targp || !mp->m_rtdev_targp->bt_daxdev)) {
xfs_alert(mp,
"DAX unsupported by block device. Turning off DAX.");
goto disable_dax;
}
if (mp->m_super->s_blocksize != PAGE_SIZE) {
xfs_alert(mp,
"DAX not supported for blocksize. Turning off DAX.");
goto disable_dax;
}
if (xfs_has_reflink(mp)) {
xfs_alert(mp, "DAX and reflink cannot be used together!");
return -EINVAL;