diff options
-rw-r--r-- | module/zfs/arc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/module/zfs/arc.c b/module/zfs/arc.c index 7023f4481..22dc0ed5e 100644 --- a/module/zfs/arc.c +++ b/module/zfs/arc.c @@ -9092,15 +9092,16 @@ l2arc_apply_transforms(spa_t *spa, arc_buf_hdr_t *hdr, uint64_t asize, * write things before deciding to fail compression in nearly * every case.) */ - cabd = abd_alloc_for_io(size, ismd); - tmp = abd_borrow_buf(cabd, size); + uint64_t bufsize = MAX(size, asize); + cabd = abd_alloc_for_io(bufsize, ismd); + tmp = abd_borrow_buf(cabd, bufsize); psize = zio_compress_data(compress, to_write, &tmp, size, hdr->b_complevel); if (psize >= asize) { psize = HDR_GET_PSIZE(hdr); - abd_return_buf_copy(cabd, tmp, size); + abd_return_buf_copy(cabd, tmp, bufsize); HDR_SET_COMPRESS(hdr, ZIO_COMPRESS_OFF); to_write = cabd; abd_copy(to_write, hdr->b_l1hdr.b_pabd, psize); @@ -9110,9 +9111,9 @@ l2arc_apply_transforms(spa_t *spa, arc_buf_hdr_t *hdr, uint64_t asize, } ASSERT3U(psize, <=, HDR_GET_PSIZE(hdr)); if (psize < asize) - memset((char *)tmp + psize, 0, asize - psize); + memset((char *)tmp + psize, 0, bufsize - psize); psize = HDR_GET_PSIZE(hdr); - abd_return_buf_copy(cabd, tmp, size); + abd_return_buf_copy(cabd, tmp, bufsize); to_write = cabd; } |