evin/ms-nfs41-client
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ref counting for nfs41_root

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very similar to the issue with nfs41_open_state, an abandoned upcall could outlive its mount. to prevent their nfs41_root from being freed, upcalls need to hold a reference until they're finished. this also keeps all of its clients/sessions/rpc connections alive

Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley 2010-10-27 13:36:22 -04:00 • committed by unknown
parent 006bdfa47a
commit bcc707d3b8
13 changed files with 57 additions and 4 deletions
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5
daemon/mount.c
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@ -100,7 +100,7 @@ out:
return status;
out_err:
nfs41_root_free(root);
nfs41_root_deref(root);
goto out;
}
@ -136,7 +136,8 @@ static int handle_unmount(nfs41_upcall *upcall)
{
int status = NO_ERROR;
unmount_upcall_args *args = &upcall->args.unmount;
nfs41_root_free(args->root);
/* release the original reference from nfs41_root_create() */
nfs41_root_deref(args->root);
return status;
}