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| author | NeilBrown <neilb@suse.de> | 2014-03-26 04:26:53 +0100 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2014-03-26 04:26:53 +0100 |
| commit | 5a46fcd7f5b1bd1bf190784f112a15f383262af5 (patch) | |
| tree | 10323b75b5bf30448b48b29465060dddea78fc2a | |
| parent | DDF: report seq counter as events. (diff) | |
| download | mdadm-5a46fcd7f5b1bd1bf190784f112a15f383262af5.tar.xz mdadm-5a46fcd7f5b1bd1bf190784f112a15f383262af5.zip | |
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>
| -rw-r--r-- | super-ddf.c | 28 |
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)) |