Date: Mon, 27 Jul 2026 18:46:46 +0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 34ca5a9e7362 - main - geom_zero(4): reset the uio vector on each uiomove() Message-ID: <6a67a796.33c35.71ea0358@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=34ca5a9e7362b0c820fe339daa2b8d06c58b6fea commit 34ca5a9e7362b0c820fe339daa2b8d06c58b6fea Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2026-07-26 21:45:07 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2026-07-27 18:46:32 +0000 geom_zero(4): reset the uio vector on each uiomove() PR: 297062 Tested by: Jordan Gordeev <jgopensource@proton.me> Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D58472 --- sys/geom/zero/g_zero.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/sys/geom/zero/g_zero.c b/sys/geom/zero/g_zero.c index 25d462a9f918..e02fffbd6f02 100644 --- a/sys/geom/zero/g_zero.c +++ b/sys/geom/zero/g_zero.c @@ -83,11 +83,6 @@ g_zero_fill_pages(struct bio *bp) size_t length; vm_offset_t offset; - aiovec.iov_base = g_zero_buffer; - aiovec.iov_len = PAGE_SIZE; - auio.uio_iov = &aiovec; - auio.uio_iovcnt = 1; - auio.uio_offset = 0; auio.uio_segflg = UIO_SYSSPACE; auio.uio_rw = UIO_WRITE; auio.uio_td = curthread; @@ -101,6 +96,12 @@ g_zero_fill_pages(struct bio *bp) bp->bio_resid = bp->bio_length; offset = bp->bio_ma_offset & PAGE_MASK; for (int i = 0; i < bp->bio_ma_n && bp->bio_resid > 0; i++) { + aiovec.iov_base = g_zero_buffer; + aiovec.iov_len = PAGE_SIZE; + auio.uio_iov = &aiovec; + auio.uio_iovcnt = 1; + auio.uio_offset = 0; + length = MIN(PAGE_SIZE - offset, bp->bio_resid); auio.uio_resid = length;home | help
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