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Illumos #2619 and #2747

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2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Eric Schrock <Eric.Schrock@delphix.com>

References:
  illumos/illumos-gate@53089ab7c8
  illumos/illumos-gate@ad135b5d64
  illumos changeset: 13700:2889e2596bd6
  https://www.illumos.org/issues/2619
  https://www.illumos.org/issues/2747

NOTE: The grub specific changes were not ported.  This change
must be made to the Linux grub packages.

Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Christopher Siden
2012-12-13 15:24:15 -08:00
committed by Brian Behlendorf
parent 15313c5e18
commit 9ae529ec5d
67 changed files with 4267 additions and 467 deletions
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lib/libzpool/kernel.c
+3 -1
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@@ -647,7 +647,9 @@ vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, offset_t offset,
* To simulate partial disk writes, we split writes into two
* system calls so that the process can be killed in between.
*/
split = (len > 0 ? rand() % len : 0);
int sectors = len >> SPA_MINBLOCKSHIFT;
split = (sectors > 0 ? rand() % sectors : 0) <<
SPA_MINBLOCKSHIFT;
rc = pwrite64(vp->v_fd, addr, split, offset);
if (rc != -1) {
done = rc;