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Read prefetched buffers from L2ARC #15451

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Oct 26, 2023
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5 changes: 1 addition & 4 deletions module/zfs/arc.c
Original file line number Diff line number Diff line change
Expand Up @@ -5868,12 +5868,9 @@ arc_read(zio_t *pio, spa_t *spa, const blkptr_t *bp,
* 3. This buffer isn't currently writing to the L2ARC.
* 4. The L2ARC entry wasn't evicted, which may
* also have invalidated the vdev.
* 5. This isn't prefetch or l2arc_noprefetch is 0.
*/
if (HDR_HAS_L2HDR(hdr) &&
!HDR_L2_WRITING(hdr) && !HDR_L2_EVICTED(hdr) &&
!(l2arc_noprefetch &&
(*arc_flags & ARC_FLAG_PREFETCH))) {
!HDR_L2_WRITING(hdr) && !HDR_L2_EVICTED(hdr)) {
l2arc_read_callback_t *cb;
abd_t *abd;
uint64_t asize;
Expand Down