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Report disk flags via the sysctl tree

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This commit is contained in:
Scott Long 2017-03-13 11:09:17 +00:00
parent 250a8e2720
commit d8474e52e3
1 changed files with 30 additions and 0 deletions
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30
sys/geom/geom_disk.c
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@ -77,6 +77,8 @@ static g_ioctl_t g_disk_ioctl;
static g_dumpconf_t g_disk_dumpconf;
static g_provgone_t g_disk_providergone;
static int g_disk_sysctl_flags(SYSCTL_HANDLER_ARGS);
static struct g_class g_disk_class = {
.name = G_DISK_CLASS_NAME,
.version = G_VERSION,
@ -725,6 +727,10 @@ g_disk_create(void *arg, int flag)
SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "led",
CTLFLAG_RWTUN, sc->led, sizeof(sc->led),
"LED name");
SYSCTL_ADD_PROC(&sc->sysctl_ctx,
SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO, "flags",
CTLTYPE_STRING | CTLFLAG_RD, dp, 0, g_disk_sysctl_flags,
"A", "Report disk flags");
}
pp->private = sc;
dp->d_geom = gp;
@ -994,6 +1000,30 @@ g_kern_disks(void *p, int flag __unused)
sbuf_finish(sb);
}
static int
g_disk_sysctl_flags(SYSCTL_HANDLER_ARGS)
{
struct disk *dp;
struct sbuf *sb;
int error;
sb = sbuf_new_auto();
dp = (struct disk *)arg1;
sbuf_printf(sb, "%b", dp->d_flags,
"\20"
"\2OPEN"
"\3CANDELETE"
"\4CANFLUSHCACHE"
"\5UNMAPPEDBIO"
"\6DIRECTCOMPLETION"
"\10CANZONE");
sbuf_finish(sb);
error = SYSCTL_OUT(req, sbuf_data(sb), sbuf_len(sb) + 1);
sbuf_delete(sb);
return (error);
}
static int
sysctl_disks(SYSCTL_HANDLER_ARGS)
{