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null_blk: Move driver into its own directory

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Move null_blk driver code into the new sub-directory
drivers/block/null_blk.

Suggested-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Damien Le Moal 2020-11-20 10:55:19 +09:00 committed by Jens Axboe
parent ea17fd354c
commit eebf34a85c
9 changed files with 28 additions and 16 deletions
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8
drivers/block/Kconfig
View File

@ -16,13 +16,7 @@ menuconfig BLK_DEV
if BLK_DEV
config BLK_DEV_NULL_BLK
tristate "Null test block driver"
select CONFIGFS_FS
config BLK_DEV_NULL_BLK_FAULT_INJECTION
bool "Support fault injection for Null test block driver"
depends on BLK_DEV_NULL_BLK && FAULT_INJECTION
source "drivers/block/null_blk/Kconfig"
config BLK_DEV_FD
tristate "Normal floppy disk support"

7
drivers/block/Makefile
View File

@ -41,12 +41,7 @@ obj-$(CONFIG_BLK_DEV_RSXX) += rsxx/
obj-$(CONFIG_ZRAM) += zram/
obj-$(CONFIG_BLK_DEV_RNBD) += rnbd/
obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk.o
null_blk-objs := null_blk_main.o
ifeq ($(CONFIG_BLK_DEV_ZONED), y)
null_blk-$(CONFIG_TRACING) += null_blk_trace.o
endif
null_blk-$(CONFIG_BLK_DEV_ZONED) += null_blk_zoned.o
obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk/
skd-y := skd_main.o
swim_mod-y := swim.o swim_asm.o

12
drivers/block/null_blk/Kconfig Normal file
View File

@ -0,0 +1,12 @@
# SPDX-License-Identifier: GPL-2.0
#
# Null block device driver configuration
#
config BLK_DEV_NULL_BLK
tristate "Null test block driver"
select CONFIGFS_FS
config BLK_DEV_NULL_BLK_FAULT_INJECTION
bool "Support fault injection for Null test block driver"
depends on BLK_DEV_NULL_BLK && FAULT_INJECTION

11
drivers/block/null_blk/Makefile Normal file
View File

@ -0,0 +1,11 @@
# SPDX-License-Identifier: GPL-2.0
# needed for trace events
ccflags-y += -I$(src)
obj-$(CONFIG_BLK_DEV_NULL_BLK) += null_blk.o
null_blk-objs := main.o
ifeq ($(CONFIG_BLK_DEV_ZONED), y)
null_blk-$(CONFIG_TRACING) += trace.o
endif
null_blk-$(CONFIG_BLK_DEV_ZONED) += zoned.o

0
drivers/block/null_blk_main.c → drivers/block/null_blk/main.c
View File

0
drivers/block/null_blk.h → drivers/block/null_blk/null_blk.h
View File

2
drivers/block/null_blk_trace.c → drivers/block/null_blk/trace.c
View File

@ -4,7 +4,7 @@
*
* Copyright (C) 2020 Western Digital Corporation or its affiliates.
*/
#include "null_blk_trace.h"
#include "trace.h"
/*
* Helper to use for all null_blk traces to extract disk name.

2
drivers/block/null_blk_trace.h → drivers/block/null_blk/trace.h
View File

@ -73,7 +73,7 @@ TRACE_EVENT(nullb_report_zones,
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE null_blk_trace
#define TRACE_INCLUDE_FILE trace
/* This part must be outside protection */
#include <trace/define_trace.h>

2
drivers/block/null_blk_zoned.c → drivers/block/null_blk/zoned.c
View File

@ -4,7 +4,7 @@
#include "null_blk.h"
#define CREATE_TRACE_POINTS
#include "null_blk_trace.h"
#include "trace.h"
#define MB_TO_SECTS(mb) (((sector_t)mb * SZ_1M) >> SECTOR_SHIFT)