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| author | Keith Busch <keith.busch@intel.com> | 2012-07-27 13:57:23 -0400 |
|---|---|---|
| committer | Matthew Wilcox <matthew.r.wilcox@intel.com> | 2012-07-27 13:57:23 -0400 |
| commit | a0cadb85b8b758608ae0759151e29de7581c6731 (patch) | |
| tree | 3fc3c95f4cef33866a1da81daa86906bd5fa762c /include | |
| parent | 8fc23e032debd682f5ba9fc524a5846c10d2c522 (diff) | |
| download | linux-a0cadb85b8b758608ae0759151e29de7581c6731.tar.gz linux-a0cadb85b8b758608ae0759151e29de7581c6731.tar.bz2 linux-a0cadb85b8b758608ae0759151e29de7581c6731.zip | |
NVMe: Do not set IO queue depth beyond device max
Set the depth for IO queues to the device's maximum supported queue
entries if the requested depth exceeds the device's capabilities.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nvme.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nvme.h b/include/linux/nvme.h index 8c71d2004c6d..c25cccaa555a 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -35,6 +35,7 @@ struct nvme_bar { __u64 acq; /* Admin CQ Base Address */ }; +#define NVME_CAP_MQES(cap) ((cap) & 0xffff) #define NVME_CAP_TIMEOUT(cap) (((cap) >> 24) & 0xff) #define NVME_CAP_STRIDE(cap) (((cap) >> 32) & 0xf) #define NVME_CAP_MPSMIN(cap) (((cap) >> 48) & 0xf) |