On 28.02.2017 13:00, Andriy Gapon wrote: > This is quite annoying as I have to do gpart commit after each reboot to make > my > zvols usable. > > To add some data: >> gpart show zvol/pond/raidz0 > => 63 10485697 zvol/pond/raidz0 MBR (5.0G) > 63 10485697 - free - (5.0G) > > The zvol actually has whole-disk ZFS on it, which uses zfsboot for booting. > In other words, the first block of the zvol is the first block of zfsboot > binary.
Hi Andriy, I think the attached (untested) patch can help. -- WBR, Andrey V. Elsukov
Index: sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c =================================================================== --- sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c (revision 314298) +++ sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zvol.c (working copy) @@ -278,7 +278,15 @@ zvol_size_changed(zvol_state_t *zv, uint64_t volsi if (pp == NULL) return; g_topology_lock(); - g_resize_provider(pp, zv->zv_volsize); + /* + * Do not invoke resize event when initial size was zero. + * ZVOL initializes the size on first open, this is not + * real resizing. + */ + if (pp->mediasize == 0) + pp->mediasize = zv->zv_volsize; + else + g_resize_provider(pp, zv->zv_volsize); g_topology_unlock(); } #endif /* illumos */
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