If ext2/3/4 is compiled as a kernel module, apply this patch to
successfully compile this c/r patchset.
Oren.
diff --git a/checkpoint/ckpt_file.c b/checkpoint/ckpt_file.c
index 0fe68bf..df6bb3d 100644
--- a/checkpoint/ckpt_file.c
+++ b/checkpoint/ckpt_file.c
@@ -109,6 +109,8 @@ int generic_file_checkpoint(struct cr_ctx *ctx, struct file *file,
return cr_write_file_generic(ctx, file, hh);
}
+EXPORT_SYMBOL(generic_file_checkpoint);
+
/* cr_write_file - dump the state of a given file pointer */
static int cr_write_file(struct cr_ctx *ctx, struct file *file)
{
On Tue, 31 Mar 2009, Oren Laadan wrote:
> From: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
>
> Right now, we assume all normal files and directories
> can be checkpointed. However, as usual in the VFS, there
> are specialized places that will always need an ability
> to override these defaults. We could do this completely
> in the checkpoint code, but that would bitrot quickly.
>
> This adds a new 'file_operations' function for
> checkpointing a file. I did this under the assumption
> that we should have a dirt-simple way to make something
> (un)checkpointable that fits in with current code.
>
> As you can see in the ext[234] and /proc patches, all
> that we have to do to make something simple be
> supported is add a single "generic" f_op entry.
>
> Signed-off-by: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
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