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7938 disable LBA weighting on files and SSDs
Reviewed by: Yuri Pankov <yuripv@gmx.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>

*** 1107,1116 **** --- 1107,1117 ---- vdev_t *vd = arg; vd->vdev_open_thread = curthread; vd->vdev_open_error = vdev_open(vd); vd->vdev_open_thread = NULL; + vd->vdev_parent->vdev_nonrot &= vd->vdev_nonrot; } boolean_t vdev_uses_zvols(vdev_t *vd) {
*** 1127,1145 **** vdev_open_children(vdev_t *vd) { taskq_t *tq; int children = vd->vdev_children; /* * in order to handle pools on top of zvols, do the opens * in a single thread so that the same thread holds the * spa_namespace_lock */ if (vdev_uses_zvols(vd)) { ! for (int c = 0; c < children; c++) vd->vdev_child[c]->vdev_open_error = vdev_open(vd->vdev_child[c]); return; } tq = taskq_create("vdev_open", children, minclsyspri, children, children, TASKQ_PREPOPULATE); --- 1128,1150 ---- vdev_open_children(vdev_t *vd) { taskq_t *tq; int children = vd->vdev_children; + vd->vdev_nonrot = B_TRUE; + /* * in order to handle pools on top of zvols, do the opens * in a single thread so that the same thread holds the * spa_namespace_lock */ if (vdev_uses_zvols(vd)) { ! for (int c = 0; c < children; c++) { vd->vdev_child[c]->vdev_open_error = vdev_open(vd->vdev_child[c]); + vd->vdev_nonrot &= vd->vdev_child[c]->vdev_nonrot; + } return; } tq = taskq_create("vdev_open", children, minclsyspri, children, children, TASKQ_PREPOPULATE);
*** 1146,1155 **** --- 1151,1163 ---- for (int c = 0; c < children; c++) VERIFY(taskq_dispatch(tq, vdev_open_child, vd->vdev_child[c], TQ_SLEEP) != NULL); taskq_destroy(tq); + + for (int c = 0; c < children; c++) + vd->vdev_nonrot &= vd->vdev_child[c]->vdev_nonrot; } /* * Prepare a virtual device for access. */