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| author | Christoph Hellwig <hch@lst.de> | 2020-06-07 16:18:59 +0200 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2020-07-16 15:34:47 +0200 |
| commit | 4f5b246b37e024955c0fcca0c7f5952089052d1d (patch) | |
| tree | a005ef9ca23012d565665c176e92f0e6f3047413 | |
| parent | 881627f353754dd05a8f3e1c1941f0dbbf47a170 (diff) | |
| download | linux-stable-4f5b246b37e024955c0fcca0c7f5952089052d1d.tar.gz linux-stable-4f5b246b37e024955c0fcca0c7f5952089052d1d.tar.bz2 linux-stable-4f5b246b37e024955c0fcca0c7f5952089052d1d.zip | |
md: move the early init autodetect code to drivers/md/
Just like the NFS and CIFS root code this better lives with the
driver it is tightly integrated with.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Song Liu <song@kernel.org>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/md/Makefile | 3 | ||||
| -rw-r--r-- | drivers/md/md-autodetect.c (renamed from init/do_mounts_md.c) | 15 | ||||
| -rw-r--r-- | include/linux/raid/detect.h | 8 | ||||
| -rw-r--r-- | init/Makefile | 1 | ||||
| -rw-r--r-- | init/do_mounts.c | 1 | ||||
| -rw-r--r-- | init/do_mounts.h | 10 |
6 files changed, 25 insertions, 13 deletions
diff --git a/drivers/md/Makefile b/drivers/md/Makefile index 31840f95cd40..6d3e234dc46a 100644 --- a/drivers/md/Makefile +++ b/drivers/md/Makefile @@ -43,6 +43,9 @@ obj-$(CONFIG_MD_FAULTY) += faulty.o obj-$(CONFIG_MD_CLUSTER) += md-cluster.o obj-$(CONFIG_BCACHE) += bcache/ obj-$(CONFIG_BLK_DEV_MD) += md-mod.o +ifeq ($(CONFIG_BLK_DEV_MD),y) +obj-y += md-autodetect.o +endif obj-$(CONFIG_BLK_DEV_DM) += dm-mod.o obj-$(CONFIG_BLK_DEV_DM_BUILTIN) += dm-builtin.o obj-$(CONFIG_DM_UNSTRIPED) += dm-unstripe.o diff --git a/init/do_mounts_md.c b/drivers/md/md-autodetect.c index 359363e85ccd..fe806f7b9759 100644 --- a/init/do_mounts_md.c +++ b/drivers/md/md-autodetect.c @@ -1,10 +1,15 @@ // SPDX-License-Identifier: GPL-2.0 +#include <linux/kernel.h> +#include <linux/blkdev.h> +#include <linux/init.h> +#include <linux/syscalls.h> +#include <linux/mount.h> +#include <linux/major.h> #include <linux/delay.h> +#include <linux/raid/detect.h> #include <linux/raid/md_u.h> #include <linux/raid/md_p.h> -#include "do_mounts.h" - /* * When md (and any require personalities) are compiled into the kernel * (not a module), arrays can be assembles are boot time using with AUTODETECT @@ -114,6 +119,12 @@ static int __init md_setup(char *str) return 1; } +static inline int create_dev(char *name, dev_t dev) +{ + ksys_unlink(name); + return ksys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); +} + static void __init md_setup_drive(void) { int minor, i, ent, partitioned; diff --git a/include/linux/raid/detect.h b/include/linux/raid/detect.h index 37dd3f40cd31..1f029a71c3ef 100644 --- a/include/linux/raid/detect.h +++ b/include/linux/raid/detect.h @@ -1,3 +1,11 @@ /* SPDX-License-Identifier: GPL-2.0 */ void md_autodetect_dev(dev_t dev); + +#ifdef CONFIG_BLK_DEV_MD +void md_run_setup(void); +#else +static inline void md_run_setup(void) +{ +} +#endif diff --git a/init/Makefile b/init/Makefile index 57499b1ff471..6bc37f64b361 100644 --- a/init/Makefile +++ b/init/Makefile @@ -18,7 +18,6 @@ obj-y += init_task.o mounts-y := do_mounts.o mounts-$(CONFIG_BLK_DEV_RAM) += do_mounts_rd.o mounts-$(CONFIG_BLK_DEV_INITRD) += do_mounts_initrd.o -mounts-$(CONFIG_BLK_DEV_MD) += do_mounts_md.o # dependencies on generated files need to be listed explicitly $(obj)/version.o: include/generated/compile.h diff --git a/init/do_mounts.c b/init/do_mounts.c index 29d326b6c29d..1a4dfa17fb28 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -23,6 +23,7 @@ #include <linux/nfs_fs.h> #include <linux/nfs_fs_sb.h> #include <linux/nfs_mount.h> +#include <linux/raid/detect.h> #include <uapi/linux/mount.h> #include "do_mounts.h" diff --git a/init/do_mounts.h b/init/do_mounts.h index 7513d1c14d13..50d6c8941e15 100644 --- a/init/do_mounts.h +++ b/init/do_mounts.h @@ -41,13 +41,3 @@ bool __init initrd_load(void); static inline bool initrd_load(void) { return false; } #endif - -#ifdef CONFIG_BLK_DEV_MD - -void md_run_setup(void); - -#else - -static inline void md_run_setup(void) {} - -#endif |