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D51401.diff

diff --git a/sys/kern/vfs_inotify.c b/sys/kern/vfs_inotify.c
--- a/sys/kern/vfs_inotify.c
+++ b/sys/kern/vfs_inotify.c
@@ -371,7 +371,7 @@
TAILQ_REMOVE(&vp->v_pollinfo->vpi_inotify, watch, vlink);
if (TAILQ_EMPTY(&vp->v_pollinfo->vpi_inotify))
- vn_irflag_unset_locked(vp, VIRF_INOTIFY);
+ vn_irflag_unset(vp, VIRF_INOTIFY);
}
/*
@@ -675,7 +675,8 @@
struct vattr va;
int error;
- error = VOP_GETATTR(vp, &va, cnp->cn_cred);
+ error = VOP_GETATTR(vp, &va,
+ cnp->cn_cred);
if (error == 0 && va.va_nlink != 0)
selfevent = 0;
}
diff --git a/sys/sys/inotify.h b/sys/sys/inotify.h
--- a/sys/sys/inotify.h
+++ b/sys/sys/inotify.h
@@ -107,11 +107,18 @@
} while (0)
/* Log an inotify event using a specific name for the vnode. */
-#define INOTIFY_NAME(vp, dvp, cnp, ev) do { \
+#define INOTIFY_NAME_LOCK(vp, dvp, cnp, ev, lock) do { \
if (__predict_false((vn_irflag_read(vp) & VIRF_INOTIFY) != 0 || \
- (vn_irflag_read(dvp) & VIRF_INOTIFY) != 0)) \
+ (vn_irflag_read(dvp) & VIRF_INOTIFY) != 0)) { \
+ if (lock) \
+ vn_lock((vp), LK_SHARED | LK_RETRY); \
VOP_INOTIFY((vp), (dvp), (cnp), (ev), 0); \
+ if (lock) \
+ VOP_UNLOCK(vp); \
+ } \
} while (0)
+#define INOTIFY_NAME(vp, dvp, cnp, ev) \
+ INOTIFY_NAME_LOCK((vp), (dvp), (cnp), (ev), false)
extern __uint32_t inotify_rename_cookie;
@@ -126,7 +133,8 @@
VOP_INOTIFY((vp), (tdvp), (tcnp), IN_MOVED_TO, cookie); \
} \
if ((tvp) != NULL) \
- INOTIFY_NAME((tvp), (tdvp), (tcnp), _IN_MOVE_DELETE); \
+ INOTIFY_NAME_LOCK((tvp), (tdvp), (tcnp), \
+ _IN_MOVE_DELETE, true); \
} while (0)
#define INOTIFY_REVOKE(vp) do { \

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