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This is a workaround for issue #1799 that would require a fix from Google Cloud Platform. GCP NVMe SSDs do not support overlapped GET_FEATURE commands - the cdw0 value on completions get mixed up. On GCP the result is that identify app reports only 1 SQ/CQ supported when in fact it supports 16. We can easily workaround this in the identify app by submitting one GET_FEATURE and then polling for its completion before submitting the next one. We may consider reverting this in the future should GCP provide a fix, but there is really no harm in keeping this patch long term since this isn't an I/O path issue. Signed-off-by: Jim Harris <james.r.harris@intel.com> Change-Id: I536033677a8364c955d562226e3feba4dbad0e07 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6454 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Changpeng Liu <changpeng.liu@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Community-CI: Mellanox Build Bot |
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accel | ||
bdev | ||
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interrupt_tgt | ||
ioat | ||
nvme | ||
nvmf | ||
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vmd | ||
Makefile |