diff options
| author |   angelos <angelos@openbsd.org> | 2001-05-14 07:16:12 +0000 |
|---|---|---|
| committer | angelos <angelos@openbsd.org> | 2001-05-14 07:16:12 +0000 |
| commit | a250c09a35832999d90359b4336065fb9ac8eb0b (patch) | |
| tree | f860828864039132c89469bca3a74f19b7c32050 /sys/kern/subr_disk.c | |
| parent | tty stats sysctl, deraadt@ok (diff) | |
| download | wireguard-openbsd-a250c09a35832999d90359b4336065fb9ac8eb0b.tar.xz wireguard-openbsd-a250c09a35832999d90359b4336065fb9ac8eb0b.zip | |
Set a flag whenever a disk is added/removed, so sysctl knows when to
update settings.
Diffstat (limited to 'sys/kern/subr_disk.c')
| -rw-r--r-- | sys/kern/subr_disk.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/kern/subr_disk.c b/sys/kern/subr_disk.c index 746da1e3117..bb5c6070d65 100644 --- a/sys/kern/subr_disk.c +++ b/sys/kern/subr_disk.c @@ -1,4 +1,4 @@ -/* $OpenBSD: subr_disk.c,v 1.19 2000/11/07 16:58:01 art Exp $ */ +/* $OpenBSD: subr_disk.c,v 1.20 2001/05/14 07:16:12 angelos Exp $ */ /* $NetBSD: subr_disk.c,v 1.17 1996/03/16 23:17:08 christos Exp $ */ /* @@ -67,6 +67,10 @@ */ struct disklist_head disklist; /* TAILQ_HEAD */ int disk_count; /* number of drives in global disklist */ +int disk_change; /* set if a disk has been attached/detached + * since last we looked at this variable. This + * is reset by hw_sysctl() + */ /* * Seek sort for disks. We depend on the driver which calls us using b_resid @@ -244,7 +248,7 @@ disk_init() { TAILQ_INIT(&disklist); - disk_count = 0; + disk_count = disk_change = 0; } /* @@ -319,6 +323,7 @@ disk_attach(diskp) */ TAILQ_INSERT_TAIL(&disklist, diskp, dk_link); ++disk_count; + disk_change = 1; } /* @@ -339,6 +344,7 @@ disk_detach(diskp) * Remove from the disklist. */ TAILQ_REMOVE(&disklist, diskp, dk_link); + disk_change = 1; if (--disk_count < 0) panic("disk_detach: disk_count < 0"); } |