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262b2ce076
Correct some issues with zfs boot.
- Teach it to read gang blocks. (essentially untested)
If you see "ZFS: gang block detected!", please let
me know, so we can either remove the printf if it
works, or fix it if it doesn't.
- If multiple partitions exist on a disk, probe them all.
We also need to reset dsk->start to 0 to read the right
sector here.
- With GPT, we can have 128 partitions.
- If the bootfs property has ever been set on a pool
it seems that it never goes away. zpool won't allow
you to add to the pool with the bootfs property set.
However, if you clear the property back to default
we end up getting 0 for the object number and read
a bogus block pointer and fail to boot.
- Fix some error printfs. The printf in the loader is
only capable of c,s and u formats.
- Teach printf how to display %llu
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|---|---|---|
| .. | ||
| fletcher.c | ||
| lzjb.c | ||
| README | ||
| sha256.c | ||
| zfsimpl.h | ||
| zfssubr.c | ||
$FreeBSD$
This directory contains various files derived from CDDL sources that
are used by the ZFS bootstrap:
fletcher.c checksum support
sha256.c checksum support
lzjb.c compression support
zfssubr.c checksum, compression and raidz support
zfsimpl.h mostly describing the physical layout
The files fletcher.c, lzjb.c and sha256.c are largely identical to the
ZFS base code (with write support removed) and could be shared but
that might complicate future imports from OpenSolaris.