Merge commit 'refs/top-bases/linux-debug-zerocopy' into linux-debug-zerocopy
This commit is contained in:
commit
360d4841e7
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@ -956,6 +956,28 @@ dmu_recv_abort_cleanup(dmu_recv_cookie_t *drc)
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}
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}
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/*
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* Compute checksum of drr_begin record
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*/
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static void
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dmu_recv_stream_cksum(struct restorearg *ra)
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{
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dmu_replay_record_t *drr;
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drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP);
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drr->drr_type = DRR_BEGIN;
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drr->drr_u.drr_begin = *drc->drc_drrb;
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if (ra->byteswap) {
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fletcher_4_incremental_byteswap(drr,
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sizeof (dmu_replay_record_t), &(ra->cksum));
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} else {
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fletcher_4_incremental_native(drr,
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sizeof (dmu_replay_record_t), &(ra->cksum));
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}
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kmem_free(drr, sizeof (dmu_replay_record_t));
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}
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/*
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* NB: callers *must* call dmu_recv_end() if this succeeds.
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*/
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@ -970,22 +992,7 @@ dmu_recv_stream(dmu_recv_cookie_t *drc, vnode_t *vp, offset_t *voffp)
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if (drc->drc_drrb->drr_magic == BSWAP_64(DMU_BACKUP_MAGIC))
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ra.byteswap = TRUE;
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{
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/* compute checksum of drr_begin record */
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dmu_replay_record_t *drr;
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drr = kmem_zalloc(sizeof (dmu_replay_record_t), KM_SLEEP);
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drr->drr_type = DRR_BEGIN;
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drr->drr_u.drr_begin = *drc->drc_drrb;
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if (ra.byteswap) {
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fletcher_4_incremental_byteswap(drr,
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sizeof (dmu_replay_record_t), &ra.cksum);
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} else {
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fletcher_4_incremental_native(drr,
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sizeof (dmu_replay_record_t), &ra.cksum);
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}
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kmem_free(drr, sizeof (dmu_replay_record_t));
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}
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dmu_recv_stream_cksum(&ra);
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if (ra.byteswap) {
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struct drr_begin *drrb = drc->drc_drrb;
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