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authorVishal Verma <vishal.l.verma@intel.com>2018-03-05 16:56:13 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-03-28 18:23:00 +0200
commit6b7ece4accf1e66877403881c510c88fd904f3f4 (patch)
tree441b1ec91638506098736407cdae133df135dd0b /drivers
parent0cb158fadfd550ecd65ae86e300af781d858d071 (diff)
libnvdimm, {btt, blk}: do integrity setup before add_disk()
commit 3ffb0ba9b567a8efb9a04ed3d1ec15ff333ada22 upstream. Prior to 25520d55cdb6 ("block: Inline blk_integrity in struct gendisk") we needed to temporarily add a zero-capacity disk before registering for blk-integrity. But adding a zero-capacity disk caused the partition table scanning to bail early, and this resulted in partitions not coming up after a probe of the BTT or blk namespaces. We can now register for integrity before the disk has been added, and this fixes the rescan problems. Fixes: 25520d55cdb6 ("block: Inline blk_integrity in struct gendisk") Reported-by: Dariusz Dokupil <dariusz.dokupil@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/nvdimm/blk.c3
-rw-r--r--drivers/nvdimm/btt.c3
2 files changed, 2 insertions, 4 deletions
diff --git a/drivers/nvdimm/blk.c b/drivers/nvdimm/blk.c
index 345acca576b3..1bd7b3734751 100644
--- a/drivers/nvdimm/blk.c
+++ b/drivers/nvdimm/blk.c
@@ -278,8 +278,6 @@ static int nsblk_attach_disk(struct nd_namespace_blk *nsblk)
disk->queue = q;
disk->flags = GENHD_FL_EXT_DEVT;
nvdimm_namespace_disk_name(&nsblk->common, disk->disk_name);
- set_capacity(disk, 0);
- device_add_disk(dev, disk);
if (devm_add_action_or_reset(dev, nd_blk_release_disk, disk))
return -ENOMEM;
@@ -292,6 +290,7 @@ static int nsblk_attach_disk(struct nd_namespace_blk *nsblk)
}
set_capacity(disk, available_disk_size >> SECTOR_SHIFT);
+ device_add_disk(dev, disk);
revalidate_disk(disk);
return 0;
}
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index c586bcdb5190..c625df951fa1 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1545,8 +1545,6 @@ static int btt_blk_init(struct btt *btt)
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, btt->btt_queue);
btt->btt_queue->queuedata = btt;
- set_capacity(btt->btt_disk, 0);
- device_add_disk(&btt->nd_btt->dev, btt->btt_disk);
if (btt_meta_size(btt)) {
int rc = nd_integrity_init(btt->btt_disk, btt_meta_size(btt));
@@ -1558,6 +1556,7 @@ static int btt_blk_init(struct btt *btt)
}
}
set_capacity(btt->btt_disk, btt->nlba * btt->sector_size >> 9);
+ device_add_disk(&btt->nd_btt->dev, btt->btt_disk);
btt->nd_btt->size = btt->nlba * (u64)btt->sector_size;
revalidate_disk(btt->btt_disk);