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authorNeilBrown <neilb@suse.de>2014-03-26 14:26:53 +1100
committerNeilBrown <neilb@suse.de>2014-03-26 14:26:53 +1100
commit5a46fcd7f5b1bd1bf190784f112a15f383262af5 (patch)
tree10323b75b5bf30448b48b29465060dddea78fc2a /super-ddf.c
parenteba2859f50bc0de6da7938a9ec6cfe4ceef43874 (diff)
DDF: when first activating an array, record any missing devices.
We must remember they are missing so that if they re-appear we don't get confused. Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'super-ddf.c')
-rw-r--r--super-ddf.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/super-ddf.c b/super-ddf.c
index 8c67bab4..c83960ab 100644
--- a/super-ddf.c
+++ b/super-ddf.c
@@ -511,6 +511,8 @@ static void pr_state(const struct ddf_super *ddf, const char *msg) {}
static void _ddf_set_updates_pending(struct ddf_super *ddf, const char *func)
{
+ if (ddf->updates_pending)
+ return;
ddf->updates_pending = 1;
ddf->active->seq = cpu_to_be32((be32_to_cpu(ddf->active->seq)+1));
pr_state(ddf, func);
@@ -4114,6 +4116,31 @@ static int ddf_open_new(struct supertype *c, struct active_array *a, char *inst)
return 0;
}
+static void handle_missing(struct ddf_super *ddf, int inst)
+{
+ /* This member array is being activated. If any devices
+ * are missing they must now be marked as failed.
+ */
+ struct vd_config *vc;
+ unsigned int n_bvd;
+ struct vcl *vcl;
+ struct dl *dl;
+ int n;
+
+ for (n = 0; ; n++) {
+ vc = find_vdcr(ddf, inst, n, &n_bvd, &vcl);
+ if (!vc)
+ break;
+ for (dl = ddf->dlist; dl; dl = dl->next)
+ if (be32_eq(dl->disk.refnum, vc->phys_refnum[n_bvd]))
+ break;
+ if (dl)
+ /* Found this disk, so not missing */
+ continue;
+ vc->phys_refnum[n_bvd] = cpu_to_be32(0);
+ }
+}
+
/*
* The array 'a' is to be marked clean in the metadata.
* If '->resync_start' is not ~(unsigned long long)0, then the array is only
@@ -4129,6 +4156,7 @@ static int ddf_set_array_state(struct active_array *a, int consistent)
int inst = a->info.container_member;
int old = ddf->virt->entries[inst].state;
if (consistent == 2) {
+ handle_missing(ddf, inst);
/* Should check if a recovery should be started FIXME */
consistent = 1;
if (!is_resync_complete(&a->info))