Author: pjd
Date: Mon Nov 25 21:17:14 2013
New Revision: 258597
URL: http://svnweb.freebsd.org/changeset/base/258597
Log:
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>
MFC after: 1 month
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Mon Nov
25 21:12:56 2013 (r258596)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zfs_vnops.c Mon Nov
25 21:17:14 2013 (r258597)
@@ -4317,6 +4317,11 @@ 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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