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NFSD: Add nfsd4_send_cb_offload()

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Refactor for legibility.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
This commit is contained in:
Chuck Lever 2022-07-27 14:41:12 -04:00
parent ad1e46c9b0
commit e72f9bc006
1 changed files with 22 additions and 15 deletions
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37
fs/nfsd/nfs4proc.c
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@ -1763,6 +1763,27 @@ static void cleanup_async_copy(struct nfsd4_copy *copy)
nfs4_put_copy(copy);
}
static void nfsd4_send_cb_offload(struct nfsd4_copy *copy)
{
struct nfsd4_copy *cb_copy;
cb_copy = kzalloc(sizeof(struct nfsd4_copy), GFP_KERNEL);
if (!cb_copy)
return;
refcount_set(&cb_copy->refcount, 1);
memcpy(&cb_copy->cp_res, &copy->cp_res, sizeof(copy->cp_res));
cb_copy->cp_clp = copy->cp_clp;
cb_copy->nfserr = copy->nfserr;
memcpy(&cb_copy->fh, &copy->fh, sizeof(copy->fh));
nfsd4_init_cb(&cb_copy->cp_cb, cb_copy->cp_clp,
&nfsd4_cb_offload_ops, NFSPROC4_CLNT_CB_OFFLOAD);
trace_nfsd_cb_offload(copy->cp_clp, &copy->cp_res.cb_stateid,
&copy->fh, copy->cp_count, copy->nfserr);
nfsd4_run_cb(&cb_copy->cp_cb);
}
/**
* nfsd4_do_async_copy - kthread function for background server-side COPY
* @data: arguments for COPY operation
@ -1773,7 +1794,6 @@ static void cleanup_async_copy(struct nfsd4_copy *copy)
static int nfsd4_do_async_copy(void *data)
{
struct nfsd4_copy *copy = (struct nfsd4_copy *)data;
struct nfsd4_copy *cb_copy;
if (nfsd4_ssc_is_inter(copy)) {
struct file *filp;
@ -1795,20 +1815,7 @@ static int nfsd4_do_async_copy(void *data)
}
do_callback:
cb_copy = kzalloc(sizeof(struct nfsd4_copy), GFP_KERNEL);
if (!cb_copy)
goto out;
refcount_set(&cb_copy->refcount, 1);
memcpy(&cb_copy->cp_res, &copy->cp_res, sizeof(copy->cp_res));
cb_copy->cp_clp = copy->cp_clp;
cb_copy->nfserr = copy->nfserr;
memcpy(&cb_copy->fh, &copy->fh, sizeof(copy->fh));
nfsd4_init_cb(&cb_copy->cp_cb, cb_copy->cp_clp,
&nfsd4_cb_offload_ops, NFSPROC4_CLNT_CB_OFFLOAD);
trace_nfsd_cb_offload(copy->cp_clp, &copy->cp_res.cb_stateid,
&copy->fh, copy->cp_count, copy->nfserr);
nfsd4_run_cb(&cb_copy->cp_cb);
out:
nfsd4_send_cb_offload(copy);
cleanup_async_copy(copy);
return 0;
}