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module/compress: Clear vol element in comp_bdev struct on vol unload

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When a vol is unloaded, the vol element in comp_bdev element needs to
be NULL'd so that when the comp_bdev destruct entry point is called,
we won't try to unload the vol again.

fixes issue #928

Signed-off-by: paul luse <paul.e.luse@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/466441 (master)

(cherry picked from commit f4e401ea36)
Change-Id: If267335cbe2234c62351cfc39d33b0ea698ca893
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/467141
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This commit is contained in:
paul luse 2019-08-27 11:25:15 -04:00 committed by Ben Walker
parent d079cf5a70
commit 3157ce5c4a
1 changed files with 1 additions and 0 deletions
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module/bdev/compress/vbdev_compress.c
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@ -1143,6 +1143,7 @@ bdev_hotremove_vol_unload_cb(void *cb_arg, int reduce_errno)
SPDK_ERRLOG("number %d\n", reduce_errno);
}
comp_bdev->vol = NULL;
spdk_bdev_unregister(&comp_bdev->comp_bdev, NULL, NULL);
}