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scsi: target: Add iblock configure_unmap callout

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Move iblock's UNMAP setup code to a configure_unmap callout.

Link: https://lore.kernel.org/r/20220628200230.15052-4-michael.christie@oracle.com
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Mike Christie 2022-06-28 15:02:28 -05:00 committed by Martin K. Petersen
parent 6b206a5a8c
commit d7c382c51d
1 changed files with 9 additions and 4 deletions
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13
drivers/target/target_core_iblock.c
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@ -76,6 +76,14 @@ free_dev:
return NULL;
}
static bool iblock_configure_unmap(struct se_device *dev)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
return target_configure_unmap_from_queue(&dev->dev_attrib,
ib_dev->ibd_bd);
}
static int iblock_configure_device(struct se_device *dev)
{
struct iblock_dev *ib_dev = IBLOCK_DEV(dev);
@ -119,10 +127,6 @@ static int iblock_configure_device(struct se_device *dev)
dev->dev_attrib.hw_max_sectors = queue_max_hw_sectors(q);
dev->dev_attrib.hw_queue_depth = q->nr_requests;
if (target_configure_unmap_from_queue(&dev->dev_attrib, bd))
pr_debug("IBLOCK: BLOCK Discard support available,"
" disabled by default\n");
/*
* Enable write same emulation for IBLOCK and use 0xFFFF as
* the smaller WRITE_SAME(10) only has a two-byte block count.
@ -899,6 +903,7 @@ static const struct target_backend_ops iblock_ops = {
.configure_device = iblock_configure_device,
.destroy_device = iblock_destroy_device,
.free_device = iblock_free_device,
.configure_unmap = iblock_configure_unmap,
.plug_device = iblock_plug_device,
.unplug_device = iblock_unplug_device,
.parse_cdb = iblock_parse_cdb,