diff options
| -rw-r--r-- | drivers/md/Kconfig | 14 | ||||
| -rw-r--r-- | init/do_mounts_md.c | 11 |
2 files changed, 23 insertions, 2 deletions
diff --git a/drivers/md/Kconfig b/drivers/md/Kconfig index 07d92c11b5d8..8e72c916535f 100644 --- a/drivers/md/Kconfig +++ b/drivers/md/Kconfig @@ -30,6 +30,20 @@ config BLK_DEV_MD If unsure, say N. +config MD_AUTODETECT + bool "Autodetect RAID arrays during kernel boot" + depends on BLK_DEV_MD + default y + ---help--- + If you say Y here, then the kernel will try to autodetect raid + arrays as part of its boot process. + + If you don't use raid and say Y, this autodetection can cause + a several-second delay in the boot time due to various + synchronisation steps that are part of this step. + + If unsure, say Y. + config MD_LINEAR tristate "Linear (append) mode" depends on BLK_DEV_MD diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c index c0dfd3c1e91b..48b3fadd83ed 100644 --- a/init/do_mounts_md.c +++ b/init/do_mounts_md.c @@ -12,7 +12,12 @@ * The code for that is here. */ -static int __initdata raid_noautodetect, raid_autopart; +#ifdef CONFIG_MD_AUTODETECT +static int __initdata raid_noautodetect; +#else +static int __initdata raid_noautodetect=1; +#endif +static int __initdata raid_autopart; static struct { int minor; @@ -252,6 +257,8 @@ static int __init raid_setup(char *str) if (!strncmp(str, "noautodetect", wlen)) raid_noautodetect = 1; + if (!strncmp(str, "autodetect", wlen)) + raid_noautodetect = 0; if (strncmp(str, "partitionable", wlen)==0) raid_autopart = 1; if (strncmp(str, "part", wlen)==0) @@ -288,7 +295,7 @@ void __init md_run_setup(void) create_dev("/dev/md0", MKDEV(MD_MAJOR, 0)); if (raid_noautodetect) - printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=noautodetect)\n"); + printk(KERN_INFO "md: Skipping autodetection of RAID arrays. (raid=autodetect will force)\n"); else autodetect_raid(); md_setup_drive(); |