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-rw-r--r--sys/fs/ext2fs/ext2_vnops.c21
-rw-r--r--sys/fs/nullfs/null_vnops.c9
2 files changed, 20 insertions, 10 deletions
diff --git a/sys/fs/ext2fs/ext2_vnops.c b/sys/fs/ext2fs/ext2_vnops.c
index bc239b8..7c4d3ae 100644
--- a/sys/fs/ext2fs/ext2_vnops.c
+++ b/sys/fs/ext2fs/ext2_vnops.c
@@ -464,16 +464,14 @@ ext2_setattr(struct vop_setattr_args *ap)
((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
(error = VOP_ACCESS(vp, VWRITE, cred, td))))
return (error);
- if (vap->va_atime.tv_sec != VNOVAL)
- ip->i_flag |= IN_ACCESS;
- if (vap->va_mtime.tv_sec != VNOVAL)
- ip->i_flag |= IN_CHANGE | IN_UPDATE;
- ext2_itimes(vp);
+ ip->i_flag |= IN_CHANGE | IN_MODIFIED;
if (vap->va_atime.tv_sec != VNOVAL) {
+ ip->i_flag &= ~IN_ACCESS;
ip->i_atime = vap->va_atime.tv_sec;
ip->i_atimensec = vap->va_atime.tv_nsec;
}
if (vap->va_mtime.tv_sec != VNOVAL) {
+ ip->i_flag &= ~IN_UPDATE;
ip->i_mtime = vap->va_mtime.tv_sec;
ip->i_mtimensec = vap->va_mtime.tv_nsec;
}
@@ -985,10 +983,10 @@ abortit:
dp = VTOI(fdvp);
} else {
/*
- * From name has disappeared.
+ * From name has disappeared. IN_RENAME is not sufficient
+ * to protect against directory races due to timing windows,
+ * so we can't panic here.
*/
- if (doingdirectory)
- panic("ext2_rename: lost dir entry");
vrele(ap->a_fvp);
return (0);
}
@@ -1003,8 +1001,11 @@ abortit:
* rename.
*/
if (xp != ip) {
- if (doingdirectory)
- panic("ext2_rename: lost dir entry");
+ /*
+ * From name resolves to a different inode. IN_RENAME is
+ * not sufficient protection against timing window races
+ * so we can't panic here.
+ */
} else {
/*
* If the source is a directory with a
diff --git a/sys/fs/nullfs/null_vnops.c b/sys/fs/nullfs/null_vnops.c
index 72b884f..ec7d046 100644
--- a/sys/fs/nullfs/null_vnops.c
+++ b/sys/fs/nullfs/null_vnops.c
@@ -619,6 +619,14 @@ null_rename(struct vop_rename_args *ap)
return (null_bypass((struct vop_generic_args *)ap));
}
+static int
+null_rmdir(struct vop_rmdir_args *ap)
+{
+
+ VTONULL(ap->a_vp)->null_flags |= NULLV_DROP;
+ return (null_bypass(&ap->a_gen));
+}
+
/*
* We need to process our own vnode lock and then clear the
* interlock flag as it applies only to our vnode, not the
@@ -920,6 +928,7 @@ struct vop_vector null_vnodeops = {
.vop_reclaim = null_reclaim,
.vop_remove = null_remove,
.vop_rename = null_rename,
+ .vop_rmdir = null_rmdir,
.vop_setattr = null_setattr,
.vop_strategy = VOP_EOPNOTSUPP,
.vop_unlock = null_unlock,
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