Alexander Motin 370570890f Remove parent ZIO from dbuf_prefetch() ...

I am not sure why it was added there 10 years ago, but it seems not
needed now.  According to my tests removing it improves sequential
read performance with recordsize=4K by 5-10% by reducing the CPU
overhead in prefetcher.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Ameer Hamza <ahamza@ixsystems.com>
Reviewed-by: Akash B <akash-b@hpe.com>
Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com>
Closes #18214

2026-02-18 18:12:13 -08:00

..

avl

Prefer VERIFY0P(n) over VERIFY(n == NULL)

2025-08-07 11:41:37 -07:00

icp

ICP: AES-GCM VAES-AVX2: fix typos and document source files

2026-02-17 16:51:32 -08:00

lua

SPDX: license tags: MIT

2025-03-13 17:56:54 -07:00

nvpair

nvpair: chase FreeBSD xdrproc_t definition

2026-01-28 21:41:33 -05:00

os

zfs_vnops_os.c: Move a vput() to after zfs_setattr_dir()

2026-02-10 09:29:37 -05:00

zcommon

Add snapshots_changed_nsecs dataset property

2026-01-06 09:36:20 -08:00

zfs

Remove parent ZIO from dbuf_prefetch()

2026-02-18 18:12:13 -08:00

zstd

Zstd: Document update policy

2026-01-20 13:41:24 -08:00

.gitignore

FreeBSD: Ignore symlink to i386 includes

2022-08-02 16:34:23 -07:00

Kbuild.in

Zstd: Integrate v1.5.7 into the ZFS build system

2026-01-20 13:41:06 -08:00

Makefile.bsd

Zstd: Integrate v1.5.7 into the ZFS build system

2026-01-20 13:41:06 -08:00

Makefile.in

Fix --enable-invariants on FreeBSD

2026-01-14 14:54:12 -08:00