Date: Sat, 22 May 2021 18:31:04 GMT From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: a9d418fbb843 - stable/13 - zfs: use vn_seqc_read_notmodify for racing .. lookups Message-ID: <202105221831.14MIV4rs018011@gitrepo.freebsd.org>
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The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=a9d418fbb843927fe193d19616ddef48c50ae206 commit a9d418fbb843927fe193d19616ddef48c50ae206 Author: Mateusz Guzik <mjg@FreeBSD.org> AuthorDate: 2021-04-22 13:18:39 +0000 Commit: Mateusz Guzik <mjg@FreeBSD.org> CommitDate: 2021-05-22 18:30:50 +0000 zfs: use vn_seqc_read_notmodify for racing .. lookups Catching an in-flight unlocked vnode is fine here. Reported by; pho (cherry picked from commit 7ea3223c7822d20acfc907683fd0153d623185b3) --- sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c index a1e9c359b893..50454cad2468 100644 --- a/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c +++ b/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_vnops_os.c @@ -807,7 +807,7 @@ zfs_lookup(vnode_t *dvp, const char *nm, vnode_t **vpp, ZFS_ENTER(zfsvfs); ZFS_VERIFY_ZP(zdp); - dvp_seqc = vn_seqc_read_any(dvp); + dvp_seqc = vn_seqc_read_notmodify(dvp); *vpp = NULL;
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