Author: mav
Date: Sun Mar 20 20:33:03 2016
New Revision: 297084
URL: https://svnweb.freebsd.org/changeset/base/297084
Log:
MFV r258597 (by pjd):
When append-only, immutable or read-only flag is set don't allow for
hard links creation. This matches UFS behaviour.
Reported by: Oleg Ginzburg <olev...@olevole.ru>
Modified:
stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Sun Mar 20 20:31:30 2016 (r297083)
+++ stable/10/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Sun Mar 20 20:33:03 2016 (r297084)
@@ -4402,6 +4402,11 @@ zfs_link(vnode_t *tdvp, vnode_t *svp, ch
szp = VTOZ(svp);
ZFS_VERIFY_ZP(szp);
+ if (szp->z_pflags & (ZFS_APPENDONLY | ZFS_IMMUTABLE | ZFS_READONLY)) {
+ ZFS_EXIT(zfsvfs);
+ return (SET_ERROR(EPERM));
+ }
+
/*
* We check z_zfsvfs rather than v_vfsp here, because snapshots and the
* ctldir appear to have the same v_vfsp.
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