nvme: add --block-size option to io commands to bypass identify commands.

When specified, the --block-size is used as the logical block size in
bytes, and the --metadata-size is used as the metadata size in bytes.

Signed-off-by: Nate Thornton <[email protected]>

Author: NateThornton

completions/_nvme

@@ -2039,6 +2039,8 @@ _nvme () {
 			-s':alias of --start-block'
 			--block-count=':number of logical blocks on device to compare to local data'
 			-c':alias of --block-count'
+			--block-size=':if specified, logical block size in bytes (if not included, the logical block size is found through identify namespace)'
+			-b':alias of --block-size'
 			--metadata-size=':number of bytes of metadata to compare'
 			-y':alias of --metadata-size'
 			--data-size=':size of local data buffer in bytes'
@@ -2074,6 +2076,8 @@ _nvme () {
 			-s':alias of --start-block'
 			--block-count=':number of logical blocks on device to read'
 			-c':alias of --block-count'
+			--block-size=':if specified, logical block size in bytes (if not included, the logical block size is found through identify namespace)'
+			-b':alias of --block-size'
 			--data-size=':size of data to be read'
 			-z':alias of --data-size'
 			--metadata-size=':size of metadata to be read'
@@ -2111,6 +2115,8 @@ _nvme () {
 			-s':alias of --start-block'
 			--block-count=':number of logical blocks on device to write'
 			-c':alias of --block-count'
+			--block-size=':if specified, logical block size in bytes (if not included, the logical block size is found through identify namespace)'
+			-b':alias of --block-size'
 			--data-size=':size of data to be written'
 			-z':alias of --data-size'
 			--metadata-size=':size of metadata to be written'

completions/bash-nvme-completion.sh

@@ -308,7 +308,7 @@ nvme_list_opts () {
 		opts+=" --namespace-id= -n"
 			;;
 		"compare")
-		opts+=" --start-block= -s --block-count= -c --data-size= -z \
+		opts+=" --start-block= -s --block-count= -c --block-size= -b --data-size= -z \
 			--metadata-size= -y --ref-tag= -r --data= -d \
 			--metadata= -M --prinfo= -p --app-tag-mask= -m \
 			--app-tag= -a --limited-retry -l \
@@ -317,7 +317,7 @@ nvme_list_opts () {
 			--dry-run -w --latency -t --timeout="
 			;;
 		"read")
-		opts+=" --start-block= -s --block-count= -c --data-size= -z \
+		opts+=" --start-block= -s --block-count= -c --block-size= -b --data-size= -z \
 			--metadata-size= -y --ref-tag= -r --data= -d \
 			--metadata= -M --prinfo= -p --app-tag-mask= -m \
 			--app-tag= -a --limited-retry -l \
@@ -326,7 +326,7 @@ nvme_list_opts () {
 			--dry-run -w --latency -t --timeout="
 			;;
 		"write")
-		opts+=" --start-block= -s --block-count= -c --data-size= -z \
+		opts+=" --start-block= -s --block-count= -c --block-size= -b --data-size= -z \
 			--metadata-size= -y --ref-tag= -r --data= -d \
 			--metadata= -M --prinfo= -p --app-tag-mask= -m \
 			--app-tag= -a --limited-retry -l \