block: add test of io_uring user metadata offsets

For devices with metadata, tests various userspace offsets with
io_uring capabilities. If the metadata is formatted with ref tag
protection information, test various seed offsets as well.

Signed-off-by: Keith Busch <[email protected]>
Reviewed-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Shin'ichiro Kawasaki <[email protected]>

Author: keithbusch

src/.gitignore

@@ -3,6 +3,7 @@
 /loblksize
 /loop_change_fd
 /loop_get_status_null
+/metadata
 /mount_clear_sock
 /nbdsetsize
 /openclose

src/Makefile

@@ -22,7 +22,8 @@ C_TARGETS := \
 	sg/syzkaller1 \
 	zbdioctl
 
-C_MINIUBLK := miniublk
+C_URING_TARGETS := miniublk \
+		metadata
 
 HAVE_LIBURING := $(call HAVE_C_MACRO,liburing.h,IORING_OP_URING_CMD)
 HAVE_UBLK_HEADER := $(call HAVE_C_HEADER,linux/ublk_cmd.h,1)
@@ -31,9 +32,9 @@ CXX_TARGETS := \
 	discontiguous-io
 
 ifeq ($(HAVE_LIBURING)$(HAVE_UBLK_HEADER), 11)
-TARGETS := $(C_TARGETS) $(CXX_TARGETS) $(C_MINIUBLK)
+TARGETS := $(C_TARGETS) $(CXX_TARGETS) $(C_URING_TARGETS)
 else
-$(info Skip $(C_MINIUBLK) build due to missing kernel header(v6.0+) or liburing(2.2+))
+$(info Skip $(C_URING_TARGETS) build due to missing kernel header(v6.0+) or liburing(2.2+))
 TARGETS := $(C_TARGETS) $(CXX_TARGETS)
 endif
 
@@ -42,8 +43,8 @@ CONFIG_DEFS := $(call HAVE_C_HEADER,linux/blkzoned.h,-DHAVE_LINUX_BLKZONED_H)
 override CFLAGS   := -O2 -Wall -Wshadow $(CFLAGS) $(CONFIG_DEFS)
 override CXXFLAGS := -O2 -std=c++11 -Wall -Wextra -Wshadow -Wno-sign-compare \
 		     -Werror $(CXXFLAGS) $(CONFIG_DEFS)
-MINIUBLK_FLAGS :=  -D_GNU_SOURCE
-MINIUBLK_LIBS := -lpthread -luring
+URING_FLAGS :=  -D_GNU_SOURCE
+URING_LIBS := -lpthread -luring
 LDFLAGS ?=
 
 all: $(TARGETS)
@@ -61,8 +62,7 @@ $(C_TARGETS): %: %.c
 $(CXX_TARGETS): %: %.cpp
 	$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@ $^
 
-$(C_MINIUBLK): %: miniublk.c
-	$(CC) $(CFLAGS) $(LDFLAGS) $(MINIUBLK_FLAGS) -o $@ miniublk.c \
-		$(MINIUBLK_LIBS)
+$(C_URING_TARGETS): %: %.c
+	$(CC) $(CFLAGS) $(LDFLAGS) $(URING_FLAGS) -o $@ $^ $(URING_LIBS)
 
 .PHONY: all clean install