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Add SCSI_PASSTHROUGH to zvols to enable UNMAP support #8933

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Jun 21, 2019
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Add SCSI_PASSTHROUGH to zvols to enable UNMAP support #8933

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4 changes: 4 additions & 0 deletions module/zfs/zvol.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1876,6 +1876,10 @@ zvol_create_minor_impl(const char *name)
#ifdef QUEUE_FLAG_ADD_RANDOM
blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, zv->zv_queue);
#endif
/* This flag was introduced in kernel version 4.12. */
#ifdef QUEUE_FLAG_SCSI_PASSTHROUGH
blk_queue_flag_set(QUEUE_FLAG_SCSI_PASSTHROUGH, zv->zv_queue);
#endif

if (spa_writeable(dmu_objset_spa(os))) {
if (zil_replay_disable)
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