diff options
| author | Martin Wilck <mwilck@arcor.de> | 2013-07-30 23:18:29 +0200 |
|---|---|---|
| committer | NeilBrown <neilb@suse.de> | 2013-07-31 12:47:44 +1000 |
| commit | ce6844b99c5a014b2d840088a5a73c1ee26dacba (patch) | |
| tree | b7ed8ba9c839c41dccb0b362d572d614fd201bf9 /super-ddf.c | |
| parent | 0e5fa86239cfa4cb5fbdbf46c14ddcb58708efc4 (diff) | |
DDF: ddf_set_disk: add some debug messages
Adds more verbose debugging in ddf_set_disk, to understand failures
better.
Signed-off-by: Martin Wilck <mwilck@arcor.de>
Signed-off-by: NeilBrown <neilb@suse.de>
Diffstat (limited to 'super-ddf.c')
| -rw-r--r-- | super-ddf.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/super-ddf.c b/super-ddf.c index f55cc11b..b1904e36 100644 --- a/super-ddf.c +++ b/super-ddf.c @@ -4153,6 +4153,7 @@ static void ddf_set_disk(struct active_array *a, int n, int state) struct mdinfo *mdi; struct dl *dl; + dprintf("%s: %d to %x\n", __func__, n, state); if (vc == NULL) { dprintf("ddf: cannot find instance %d!!\n", inst); return; @@ -4161,8 +4162,11 @@ static void ddf_set_disk(struct active_array *a, int n, int state) for (mdi = a->info.devs; mdi; mdi = mdi->next) if (mdi->disk.raid_disk == n) break; - if (!mdi) + if (!mdi) { + pr_err("%s: cannot find raid disk %d\n", + __func__, n); return; + } /* and find the 'dl' entry corresponding to that. */ for (dl = ddf->dlist; dl; dl = dl->next) @@ -4170,8 +4174,12 @@ static void ddf_set_disk(struct active_array *a, int n, int state) mdi->disk.major == dl->major && mdi->disk.minor == dl->minor) break; - if (!dl) + if (!dl) { + pr_err("%s: cannot find raid disk %d (%d/%d)\n", + __func__, n, + mdi->disk.major, mdi->disk.minor); return; + } pd = find_phys(ddf, vc->phys_refnum[n_bvd]); if (pd < 0 || pd != dl->pdnum) { @@ -4209,8 +4217,9 @@ static void ddf_set_disk(struct active_array *a, int n, int state) ddf_set_updates_pending(ddf); } - dprintf("ddf: set_disk %d (%08x) to %x\n", n, - be32_to_cpu(dl->disk.refnum), state); + dprintf("ddf: set_disk %d (%08x) to %x->%02x\n", n, + be32_to_cpu(dl->disk.refnum), state, + be16_to_cpu(ddf->phys->entries[pd].state)); /* Now we need to check the state of the array and update * virtual_disk.entries[n].state. |