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Clear QUEUE_FLAG_ADD_RANDOM on zvols

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zvols should not be an entropy source for the kernel. Disable it to be
consistent with the upstream kernel.

torvalds/linux@b277da0a8a

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #3713
This commit is contained in:
Richard Yao 2015-08-29 12:49:55 -04:00 committed by Brian Behlendorf
parent 3757bff3b1
commit c6a3a222d3
1 changed files with 3 additions and 0 deletions
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3
module/zfs/zvol.c
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@ -1427,6 +1427,9 @@ __zvol_create_minor(const char *name, boolean_t ignore_snapdev)
#ifdef HAVE_BLK_QUEUE_NONROT
queue_flag_set_unlocked(QUEUE_FLAG_NONROT, zv->zv_queue);
#endif
#ifdef QUEUE_FLAG_ADD_RANDOM
queue_flag_clear_unlocked(QUEUE_FLAG_ADD_RANDOM, zv->zv_queue);
#endif
if (spa_writeable(dmu_objset_spa(os))) {
if (zil_replay_disable)