This will be important for modules that implement checkpoint-restart
logic, e.g. network devices.
(This intentionally does not fix the exports missing from netdev - I
expect that to be part a seperate cleanup patchset)
Signed-off-by: Oren Laadan <orenl@xxxxxxxxxxxxxxx>
---
checkpoint/checkpoint.c | 4 ++++
checkpoint/objhash.c | 8 ++++++++
checkpoint/restart.c | 8 ++++++++
checkpoint/sys.c | 6 ++++++
4 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/checkpoint/checkpoint.c b/checkpoint/checkpoint.c
index 466f594..4359106 100644
--- a/checkpoint/checkpoint.c
+++ b/checkpoint/checkpoint.c
@@ -41,6 +41,7 @@ int ckpt_write_obj(struct ckpt_ctx *ctx, struct ckpt_hdr *h)
_ckpt_debug(CKPT_DRW, "type %d len %d\n", h->type, h->len);
return ckpt_kwrite(ctx, h, h->len);
}
+EXPORT_SYMBOL(ckpt_write_obj);
/**
* ckpt_write_obj_type - write an object (from a pointer)
@@ -73,6 +74,7 @@ int ckpt_write_obj_type(struct ckpt_ctx *ctx, void *ptr, int len, int type)
_ckpt_hdr_put(ctx, h, sizeof(*h));
return ret;
}
+EXPORT_SYMBOL(ckpt_write_obj_type);
/**
* ckpt_write_buffer - write an object of type buffer
@@ -84,6 +86,7 @@ int ckpt_write_buffer(struct ckpt_ctx *ctx, void *ptr, int len)
{
return ckpt_write_obj_type(ctx, ptr, len, CKPT_HDR_BUFFER);
}
+EXPORT_SYMBOL(ckpt_write_buffer);
/**
* ckpt_write_string - write an object of type string
@@ -95,6 +98,7 @@ int ckpt_write_string(struct ckpt_ctx *ctx, char *str, int len)
{
return ckpt_write_obj_type(ctx, str, len, CKPT_HDR_STRING);
}
+EXPORT_SYMBOL(ckpt_write_string);
/***********************************************************************
* Checkpoint
diff --git a/checkpoint/objhash.c b/checkpoint/objhash.c
index 8ca2664..e487ffc 100644
--- a/checkpoint/objhash.c
+++ b/checkpoint/objhash.c
@@ -813,6 +813,7 @@ int ckpt_obj_lookup(struct ckpt_ctx *ctx, void *ptr, enum obj_type type)
ckpt_debug("%s objref %d\n", obj->ops->obj_name, obj->objref);
return obj ? obj->objref : 0;
}
+EXPORT_SYMBOL(ckpt_obj_lookup);
static inline int obj_reverse_leak(struct ckpt_ctx *ctx, struct ckpt_obj *obj)
{
@@ -856,6 +857,7 @@ int ckpt_obj_lookup_add(struct ckpt_ctx *ctx, void *ptr,
obj->flags |= CKPT_OBJ_VISITED;
return obj->objref;
}
+EXPORT_SYMBOL(ckpt_obj_lookup_add);
/**
* ckpt_obj_reserve - reserve an objref
@@ -869,6 +871,7 @@ int ckpt_obj_reserve(struct ckpt_ctx *ctx)
{
return obj_alloc_objref(ctx);
}
+EXPORT_SYMBOL(ckpt_obj_reserve);
/**
* checkpoint_obj - if not already in hash, add object and checkpoint
@@ -919,6 +922,7 @@ int checkpoint_obj(struct ckpt_ctx *ctx, void *ptr, enum obj_type type)
obj->flags |= CKPT_OBJ_VISITED;
return (ret < 0 ? ret : obj->objref);
}
+EXPORT_SYMBOL(checkpoint_obj);
/**
* ckpt_obj_visit - mark object as visited
@@ -951,6 +955,7 @@ int ckpt_obj_visit(struct ckpt_ctx *ctx, void *ptr, enum obj_type type)
}
return 0;
}
+EXPORT_SYMBOL(ckpt_obj_visit);
/* increment the 'users' count of an object */
static void ckpt_obj_users_inc(struct ckpt_ctx *ctx, void *ptr, int increment)
@@ -1152,6 +1157,7 @@ int ckpt_obj_insert(struct ckpt_ctx *ctx, void *ptr,
ckpt_debug("%s objref %d\n", obj->ops->obj_name, objref);
return obj->objref;
}
+EXPORT_SYMBOL(ckpt_obj_insert);
/**
* ckpt_obj_try_fetch - fetch an object by its identifier
@@ -1176,6 +1182,7 @@ void *ckpt_obj_try_fetch(struct ckpt_ctx *ctx, int objref, enum obj_type type)
return obj->ptr;
return ERR_PTR(-ENOMSG);
}
+EXPORT_SYMBOL(ckpt_obj_try_fetch);
void *ckpt_obj_fetch(struct ckpt_ctx *ctx, int objref, enum obj_type type)
{
@@ -1186,6 +1193,7 @@ void *ckpt_obj_fetch(struct ckpt_ctx *ctx, int objref, enum obj_type type)
objref, type);
return ret;
}
+EXPORT_SYMBOL(ckpt_obj_fetch);
/*
* checkpoint a security context string. This is done by
diff --git a/checkpoint/restart.c b/checkpoint/restart.c
index 696e4a2..6a9644d 100644
--- a/checkpoint/restart.c
+++ b/checkpoint/restart.c
@@ -323,6 +323,7 @@ int _ckpt_read_obj_type(struct ckpt_ctx *ctx, void *ptr, int len, int type)
return -EINVAL;
return h.len - sizeof(h);
}
+EXPORT_SYMBOL(_ckpt_read_obj_type);
/**
* _ckpt_read_buffer - read an object of type buffer (set length)
@@ -339,6 +340,7 @@ int _ckpt_read_buffer(struct ckpt_ctx *ctx, void *ptr, int len)
BUG_ON(!len);
return _ckpt_read_obj_type(ctx, ptr, len, CKPT_HDR_BUFFER);
}
+EXPORT_SYMBOL(_ckpt_read_buffer);
/**
* _ckpt_read_string - read an object of type string (set length)
@@ -360,6 +362,7 @@ int _ckpt_read_string(struct ckpt_ctx *ctx, void *ptr, int len)
((char *) ptr)[len - 1] = '\0'; /* always play it safe */
return 0;
}
+EXPORT_SYMBOL(_ckpt_read_string);
/**
* ckpt_read_obj - allocate and read an object (ckpt_hdr followed by payload)
@@ -430,6 +433,7 @@ void *ckpt_read_obj_type(struct ckpt_ctx *ctx, int len, int type)
return h;
}
+EXPORT_SYMBOL(ckpt_read_obj_type);
/**
* ckpt_read_buf_type - allocate and read an object of some type (flxible)
@@ -464,6 +468,7 @@ void *ckpt_read_buf_type(struct ckpt_ctx *ctx, int max, int type)
return h;
}
+EXPORT_SYMBOL(ckpt_read_buf_type);
/**
* ckpt_read_payload - allocate and read the payload of an object
@@ -499,6 +504,7 @@ int ckpt_read_payload(struct ckpt_ctx *ctx, void **ptr, int max, int type)
return len;
}
+EXPORT_SYMBOL(ckpt_read_payload);
/**
* ckpt_read_string - allocate and read a string (variable length)
@@ -518,6 +524,7 @@ char *ckpt_read_string(struct ckpt_ctx *ctx, int max)
str[len - 1] = '\0'; /* always play it safe */
return str;
}
+EXPORT_SYMBOL(ckpt_read_string);
/**
* ckpt_read_consume - consume the next object of expected type
@@ -544,6 +551,7 @@ int ckpt_read_consume(struct ckpt_ctx *ctx, int len, int type)
ckpt_hdr_put(ctx, h);
return ret;
}
+EXPORT_SYMBOL(ckpt_read_consume);
/***********************************************************************
* Restart
diff --git a/checkpoint/sys.c b/checkpoint/sys.c
index fe85ca7..9e9df9b 100644
--- a/checkpoint/sys.c
+++ b/checkpoint/sys.c
@@ -130,6 +130,7 @@ void *ckpt_hdr_get(struct ckpt_ctx *ctx, int len)
{
return kzalloc(len, GFP_KERNEL);
}
+EXPORT_SYMBOL(ckpt_hdr_get);
/**
* _ckpt_hdr_put - free a hdr allocated with ckpt_hdr_get
@@ -143,6 +144,7 @@ void _ckpt_hdr_put(struct ckpt_ctx *ctx, void *ptr, int len)
{
kfree(ptr);
}
+EXPORT_SYMBOL(_ckpt_hdr_put);
/**
* ckpt_hdr_put - free a hdr allocated with ckpt_hdr_get
@@ -156,6 +158,7 @@ void ckpt_hdr_put(struct ckpt_ctx *ctx, void *ptr)
struct ckpt_hdr *h = (struct ckpt_hdr *) ptr;
_ckpt_hdr_put(ctx, ptr, h->len);
}
+EXPORT_SYMBOL(ckpt_hdr_put);
/**
* ckpt_hdr_get_type - get a hdr of certain size
@@ -176,6 +179,7 @@ void *ckpt_hdr_get_type(struct ckpt_ctx *ctx, int len, int type)
h->len = len;
return h;
}
+EXPORT_SYMBOL(ckpt_hdr_get_type);
#define DUMMY_LSM_INFO "dummy"
@@ -547,6 +551,7 @@ void do_ckpt_msg(struct ckpt_ctx *ctx, int err, char *fmt, ...)
if (err)
ckpt_set_error(ctx, err);
}
+EXPORT_SYMBOL(do_ckpt_msg);
/**
* walk_task_subtree: iterate through a task's descendants
@@ -698,6 +703,7 @@ long do_sys_restart(pid_t pid, int fd, unsigned long flags, int logfd)
/* FIX: allow to change during runtime */
unsigned long __read_mostly ckpt_debug_level = CKPT_DDEFAULT;
+EXPORT_SYMBOL(ckpt_debug_level);
static __init int ckpt_debug_setup(char *s)
{
--
1.6.3.3
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