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bdev/compress: insert vol unload into destruct path

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Change-Id: I10c7dff267ce469c0b01db9d6a1dbf89d2fad877
Signed-off-by: paul luse <paul.e.luse@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/447368
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
paul luse 2019-03-07 12:26:26 -05:00 committed by Jim Harris
parent 8944bb469f
commit 29b446a1bc
1 changed files with 36 additions and 17 deletions
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53
lib/bdev/compress/vbdev_compress.c
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@ -528,13 +528,14 @@ _reduce_destroy_cb(void *ctx, int reduce_errno)
SPDK_ERRLOG("error %d\n", reduce_errno);
}
comp_bdev->vol = NULL;
spdk_bdev_unregister(&comp_bdev->comp_bdev, comp_bdev->delete_cb_fn,
comp_bdev->delete_cb_arg);
}
/* Called by reduceLib after performing unload vol actions */
static void
spdk_reduce_vol_unload_cb(void *cb_arg, int reduce_errno)
delete_vol_unload_cb(void *cb_arg, int reduce_errno)
{
struct vbdev_compress *comp_bdev = (struct vbdev_compress *)cb_arg;
@ -542,10 +543,33 @@ spdk_reduce_vol_unload_cb(void *cb_arg, int reduce_errno)
spdk_bdev_close(comp_bdev->base_desc);
if (reduce_errno) {
SPDK_ERRLOG("error %d\n", reduce_errno);
}
} else {
/* Clean the device before we free our resources. */
spdk_reduce_vol_destroy(&comp_bdev->backing_dev, _reduce_destroy_cb, comp_bdev);
}
}
static void
vbdev_compress_destruct_cb(void *cb_arg, int reduce_errno)
{
struct vbdev_compress *comp_bdev = (struct vbdev_compress *)cb_arg;
if (reduce_errno) {
SPDK_ERRLOG("error %d\n", reduce_errno);
} else {
/* Remove this device from the internal list */
TAILQ_REMOVE(&g_vbdev_comp, comp_bdev, link);
/* Unclaim the underlying bdev. */
spdk_bdev_module_release_bdev(comp_bdev->base_bdev);
/* Close the underlying bdev. */
spdk_bdev_close(comp_bdev->base_desc);
comp_bdev->vol = NULL;
/* Unregister the io_device. */
spdk_io_device_unregister(comp_bdev, _device_unregister_cb);
}
}
/* Called after we've unregistered following a hot remove callback.
@ -556,17 +580,12 @@ vbdev_compress_destruct(void *ctx)
{
struct vbdev_compress *comp_bdev = (struct vbdev_compress *)ctx;
/* Remove this device from the internal list */
TAILQ_REMOVE(&g_vbdev_comp, comp_bdev, link);
/* Unclaim the underlying bdev. */
spdk_bdev_module_release_bdev(comp_bdev->base_bdev);
/* Close the underlying bdev. */
spdk_bdev_close(comp_bdev->base_desc);
/* Unregister the io_device. */
spdk_io_device_unregister(comp_bdev, _device_unregister_cb);
if (comp_bdev->vol != NULL) {
/* Tell reduceLiib that we're done with this volume. */
spdk_reduce_vol_unload(comp_bdev->vol, vbdev_compress_destruct_cb, comp_bdev);
} else {
vbdev_compress_destruct_cb(comp_bdev, 0);
}
return 0;
}
@ -896,7 +915,7 @@ _comp_bdev_ch_destroy_cb(void *arg)
/* We provide this callback for the SPDK channel code to destroy a channel
* created with our create callback. We just need to undo anything we did
* when we created. If this bdev used its own poller, we'd unregsiter it here.
* when we created. If this bdev used its own poller, we'd unregister it here.
*/
static void
comp_bdev_ch_destroy_cb(void *io_device, void *ctx_buf)
@ -1096,8 +1115,8 @@ delete_compress_disk(struct spdk_bdev *bdev, spdk_delete_compress_complete cb_fn
comp_bdev->delete_cb_fn = cb_fn;
comp_bdev->delete_cb_arg = cb_arg;
/* Tell reduceLib that we're done with this volume. */
spdk_reduce_vol_unload(comp_bdev->vol, spdk_reduce_vol_unload_cb, comp_bdev);
/* Tell reduceLiib that we're done with this volume. */
spdk_reduce_vol_unload(comp_bdev->vol, delete_vol_unload_cb, comp_bdev);
}
/* Callback from reduce for then load is complete. We'll pass the vbdev_comp struct