27635c770f
Currently, the bdev layer iterates over all of the existing channels of a bdev to collect I/O statistics. But this ignores statistics for channels that are deleted. Fix that by keeping an io_stat structure in the bdev which accumulates statistics for deleted channels. Use the bdev mutex to protect these accumulations. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I3103c0b8b55973c827d977765f47e5b9e7f58e5f Reviewed-on: https://review.gerrithub.io/421029 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> |
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