Date: Mon, 7 Feb 2022 09:51:00 GMT From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 7a3e533acb99 - stable/13 - ffs_read(): lock buffers after snaplk with LK_NOWITNESS Message-ID: <202202070951.2179p0FK059181@gitrepo.freebsd.org>
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The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=7a3e533acb99bd5cbe663654a0bb6a6ad0af7883 commit 7a3e533acb99bd5cbe663654a0bb6a6ad0af7883 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2022-02-05 02:03:47 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-02-07 09:38:50 +0000 ffs_read(): lock buffers after snaplk with LK_NOWITNESS (cherry picked from commit 0af463e6619cf9f7386129d427c244d3da30fa3a) --- sys/ufs/ffs/ffs_vnops.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sys/ufs/ffs/ffs_vnops.c b/sys/ufs/ffs/ffs_vnops.c index c2d6948dd140..1cfa6a91918f 100644 --- a/sys/ufs/ffs/ffs_vnops.c +++ b/sys/ufs/ffs/ffs_vnops.c @@ -695,6 +695,9 @@ ffs_read(ap) return (EOVERFLOW); bflag = GB_UNMAPPED | (uio->uio_segflg == UIO_NOCOPY ? 0 : GB_NOSPARSE); +#ifdef WITNESS + bflag |= IS_SNAPSHOT(ip) ? GB_NOWITNESS : 0; +#endif for (error = 0, bp = NULL; uio->uio_resid > 0; bp = NULL) { if ((bytesinfile = ip->i_size - uio->uio_offset) <= 0) break;
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