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authorChristoph Hellwig <hch@lst.de>2021-11-29 11:21:38 +0100
committerDan Williams <dan.j.williams@intel.com>2021-12-04 08:58:51 -0800
commitfb08a1908cb119a4585611d91461ab6d27756b14 (patch)
treedf0b9e60a5a175ca0b7ba47e0792691fe4c1ad9d /drivers/dax/bus.c
parentafd586f0d06ce3d81b7c474499630fec88833828 (diff)
dax: simplify the dax_device <-> gendisk association
Replace the dax_host_hash with an xarray indexed by the pointer value of the gendisk, and require explicitly calls from the block drivers that want to associate their gendisk with a dax_device. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Link: https://lore.kernel.org/r/20211129102203.2243509-5-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax/bus.c')
-rw-r--r--drivers/dax/bus.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
index 452cf7860926..6683d42c32c5 100644
--- a/drivers/dax/bus.c
+++ b/drivers/dax/bus.c
@@ -1321,10 +1321,10 @@ struct dev_dax *devm_create_dev_dax(struct dev_dax_data *data)
}
/*
- * No 'host' or dax_operations since there is no access to this
- * device outside of mmap of the resulting character device.
+ * No dax_operations since there is no access to this device outside of
+ * mmap of the resulting character device.
*/
- dax_dev = alloc_dax(dev_dax, NULL, NULL, DAXDEV_F_SYNC);
+ dax_dev = alloc_dax(dev_dax, NULL, DAXDEV_F_SYNC);
if (IS_ERR(dax_dev)) {
rc = PTR_ERR(dax_dev);
goto err_alloc_dax;