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bdev/gpt: free base bdev_part in gpt after examining

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Currently GPT keeps the bdev it is examining open, even after determining there is no GPT on it.
It is due to spdk_gpt_base_free() not notifying bdev layer to free base bdev_part.

Additionally release of bdev module for that bdev was moved to bdev_part_free,
as the module is not claimed until bdev_part on base bdev are created.

Functional tests added to verify the changes.

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: Id75f88259267847e8ec476d19750dc1e2690f11a
Reviewed-on: https://review.gerrithub.io/378621
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Tomasz Zawadzki 2017-09-14 16:35:23 +02:00 committed by Daniel Verkamp
parent 9197acd42d
commit 5f6306ea24
3 changed files with 11 additions and 1 deletions
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2
lib/bdev/bdev.c
View File

@ -1726,7 +1726,6 @@ spdk_bdev_part_base_free(struct spdk_bdev_part_base *base)
{
assert(base->bdev);
assert(base->desc);
spdk_bdev_module_release_bdev(base->bdev);
spdk_bdev_close(base->desc);
free(base);
}
@ -1746,6 +1745,7 @@ spdk_bdev_part_free(struct spdk_bdev_part *part)
free(part);
if (__sync_sub_and_fetch(&base->ref, 1) == 0) {
spdk_bdev_module_release_bdev(base->bdev);
spdk_bdev_part_base_free(base);
}
}

1
lib/bdev/gpt/vbdev_gpt.c
View File

@ -77,6 +77,7 @@ static bool g_gpt_disabled;
static void
spdk_gpt_base_free(struct gpt_base *gpt_base)
{
spdk_bdev_part_base_free(&gpt_base->part_base);
spdk_dma_free(gpt_base->gpt.buf);
free(gpt_base);
}

9
test/nvmf/discovery/discovery.sh
View File

@ -49,6 +49,15 @@ $rpc_py get_nvmf_subsystems
$rpc_py delete_nvmf_subsystem nqn.2016-06.io.spdk:cnode1
$rpc_py delete_bdev Null1
$rpc_py delete_bdev Null0
check_bdevs=$($rpc_py get_bdevs | jq -r '.[].name')
if [ -n "$check_bdevs" ]; then
echo $check_bdevs
exit 1
fi
trap - SIGINT SIGTERM EXIT
nvmfcleanup