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Re: [PATCH] second attempt at DDF1 support for dmraid | |
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Heinz Mauelshagen wrote: > Darrick, > > this is the result of my first quick go through your code: > > o streamlined various functions, e.g. > - introduced array for state definitions in disk_status() > - avoided dual find_or_alloc_set calls in ddf1_group() > - ... > > o s/free/dbg_free/ > > o s/malloc/dbg_malloc/ > > o pretty printing Looks good! ddf1_group will likely change when I get my hands on a RAID10 setup, but I'm (mostly) happy with the ddf1 driver for now. > Please check if my patch doesn't break stuff for you and if you ike it ;-) > > BTW: your code doesn't work with DELL privided DDV metadata > (goes into endless loop). Need to investogate more next week... The loop that you put into disk_status() needs to increment s at the end of the loop. The attached patch corrects that error and adds a sanity check in case name() returns NULL. Can you send me a copy of this DDV metadata? I'll send you some (big) tarballs shortly, and off-list. --D
diff -Naurp v8.hm/lib/format/ataraid/ddf1.c v9/lib/format/ataraid/ddf1.c
--- v8.hm/lib/format/ataraid/ddf1.c 2006-05-12 14:53:21.000000000 -0700
+++ v9/lib/format/ataraid/ddf1.c 2006-05-12 14:55:07.000000000 -0700
@@ -109,6 +109,7 @@ static enum status disk_status(struct dd
do {
if (disk->state & s->flag)
return s->status;
+ s++;
} while (s->status != s_ok);
}
@@ -1129,11 +1130,17 @@ static struct raid_set *ddf1_group(struc
struct ddf1_phys_drive *pd;
struct ddf1_config_record *cr;
struct raid_set *rs;
+ char *set_name;
if (!(pd = get_this_phys_drive(ddf1)))
LOG_ERR(lc, NULL, "Cannot find physical drive description!\n");
- if ((rs = find_or_alloc_raid_set(lc, name(lc, ddf1), FIND_TOP, rd,
+ set_name = name(lc, ddf1);
+ if (!set_name)
+ LOG_ERR(lc, NULL, "%s: Could not find RAID array name.\n",
+ rd->di->path);
+
+ if ((rs = find_or_alloc_raid_set(lc, set_name, FIND_TOP, rd,
LC_RS(lc), NO_CREATE,
NO_CREATE_ARG))) {
if ((cr = get_config(ddf1, pd))) {
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