Displaying 3 results from an estimated 3 matches for "dsl_dir_phys_t".
2007 Sep 13
0
question about modification of dd_parent_obj during COW
>From the online document of ZFS On-Disk Specification, I found there is a field named "dd_parent_obj" in dsl_dir_phys_t. will this field be modified or kept unchanged during snapshot COW?
For example, consider a ZFS filesytem mounted on /myzfs, which contains 2 subdirs(A and B). If we do the following steps:
1) create a snapshot named /myzfs at now.
2) rename /myzfs/A to /myzfs/A1.
I think the directory o...
2006 Jan 03
4
zfs object sets and datasets
Hi All,
I am looking at trying to understand the conceptual model of how data is
grouped and partitioned within a storge pool. In looking at the on disk
document that Tabriz sent out a few weeks ago I see that object sets are
the grouping which ZFS uses to group objects that are related.
Specifially to aid in format and layout of like objects in to a set.
So, for example 1 potential object
2013 Oct 26
2
[PATCH] 1. changes for vdiskadm on illumos based platform
...#39;@'')
+ while (*snapname && !grub_isspace(*snapname) && *snapname !=
+ ''@'')
snapname++;
if (*snapname == ''@'') {
issnapshot = 1;
@@ -938,15 +1079,15 @@ get_objset_mdn(dnode_phys_t *mosmdn, cha
}
childobj =
((dsl_dir_phys_t *)DN_BONUS(mdn))->dd_child_dir_zapobj;
- if ((errnum = dnode_get(mosmdn, childobj,
- DMU_OT_DSL_DIR_CHILD_MAP, mdn, stack)))
+ if (errnum = dnode_get(mosmdn, childobj,
+ DMU_OT_DSL_DIR_CHILD_MAP, mdn, stack))
return (errnum);
if (zap_lookup(mdn, cname, &objnum, stack))...