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nfs: merge nfs_pgio_data into _header

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struct nfs_pgio_data only exists as a member of nfs_pgio_header, but is
passed around everywhere, because there used to be multiple _data structs
per _header. Many of these functions then use the _data to find a pointer
to the _header.  This patch cleans this up by merging the nfs_pgio_data
structure into nfs_pgio_header and passing nfs_pgio_header around instead.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Weston Andros Adamson <dros@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Weston Andros Adamson
2014-06-09 11:48:35 -04:00
committed by Trond Myklebust
parent 823b0c9d98
commit d45f60c678
19 changed files with 460 additions and 482 deletions
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105
fs/nfs/nfs4proc.c
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@@ -4033,24 +4033,25 @@ static bool nfs4_error_stateid_expired(int err)
return false;
}
void __nfs4_read_done_cb(struct nfs_pgio_data *data)
void __nfs4_read_done_cb(struct nfs_pgio_header *hdr)
{
nfs_invalidate_atime(data->header->inode);
nfs_invalidate_atime(hdr->inode);
}
static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_pgio_data *data)
static int nfs4_read_done_cb(struct rpc_task *task, struct nfs_pgio_header *hdr)
{
struct nfs_server *server = NFS_SERVER(data->header->inode);
struct nfs_server *server = NFS_SERVER(hdr->inode);
trace_nfs4_read(data, task->tk_status);
if (nfs4_async_handle_error(task, server, data->args.context->state) == -EAGAIN) {
trace_nfs4_read(hdr, task->tk_status);
if (nfs4_async_handle_error(task, server,
hdr->args.context->state) == -EAGAIN) {
rpc_restart_call_prepare(task);
return -EAGAIN;
}
__nfs4_read_done_cb(data);
__nfs4_read_done_cb(hdr);
if (task->tk_status > 0)
renew_lease(server, data->timestamp);
renew_lease(server, hdr->timestamp);
return 0;
}
@@ -4068,54 +4069,59 @@ static bool nfs4_read_stateid_changed(struct rpc_task *task,
return true;
}
static int nfs4_read_done(struct rpc_task *task, struct nfs_pgio_data *data)
static int nfs4_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
{
dprintk("--> %s\n", __func__);
if (!nfs4_sequence_done(task, &data->res.seq_res))
if (!nfs4_sequence_done(task, &hdr->res.seq_res))
return -EAGAIN;
if (nfs4_read_stateid_changed(task, &data->args))
if (nfs4_read_stateid_changed(task, &hdr->args))
return -EAGAIN;
return data->pgio_done_cb ? data->pgio_done_cb(task, data) :
nfs4_read_done_cb(task, data);
return hdr->pgio_done_cb ? hdr->pgio_done_cb(task, hdr) :
nfs4_read_done_cb(task, hdr);
}
static void nfs4_proc_read_setup(struct nfs_pgio_data *data, struct rpc_message *msg)
static void nfs4_proc_read_setup(struct nfs_pgio_header *hdr,
struct rpc_message *msg)
{
data->timestamp = jiffies;
data->pgio_done_cb = nfs4_read_done_cb;
hdr->timestamp = jiffies;
hdr->pgio_done_cb = nfs4_read_done_cb;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 0);
nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 0);
}
static int nfs4_proc_pgio_rpc_prepare(struct rpc_task *task, struct nfs_pgio_data *data)
static int nfs4_proc_pgio_rpc_prepare(struct rpc_task *task,
struct nfs_pgio_header *hdr)
{
if (nfs4_setup_sequence(NFS_SERVER(data->header->inode),
&data->args.seq_args,
&data->res.seq_res,
if (nfs4_setup_sequence(NFS_SERVER(hdr->inode),
&hdr->args.seq_args,
&hdr->res.seq_res,
task))
return 0;
if (nfs4_set_rw_stateid(&data->args.stateid, data->args.context,
data->args.lock_context, data->header->rw_ops->rw_mode) == -EIO)
if (nfs4_set_rw_stateid(&hdr->args.stateid, hdr->args.context,
hdr->args.lock_context,
hdr->rw_ops->rw_mode) == -EIO)
return -EIO;
if (unlikely(test_bit(NFS_CONTEXT_BAD, &data->args.context->flags)))
if (unlikely(test_bit(NFS_CONTEXT_BAD, &hdr->args.context->flags)))
return -EIO;
return 0;
}
static int nfs4_write_done_cb(struct rpc_task *task, struct nfs_pgio_data *data)
static int nfs4_write_done_cb(struct rpc_task *task,
struct nfs_pgio_header *hdr)
{
struct inode *inode = data->header->inode;
struct inode *inode = hdr->inode;
trace_nfs4_write(data, task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode), data->args.context->state) == -EAGAIN) {
trace_nfs4_write(hdr, task->tk_status);
if (nfs4_async_handle_error(task, NFS_SERVER(inode),
hdr->args.context->state) == -EAGAIN) {
rpc_restart_call_prepare(task);
return -EAGAIN;
}
if (task->tk_status >= 0) {
renew_lease(NFS_SERVER(inode), data->timestamp);
nfs_post_op_update_inode_force_wcc(inode, &data->fattr);
renew_lease(NFS_SERVER(inode), hdr->timestamp);
nfs_post_op_update_inode_force_wcc(inode, &hdr->fattr);
}
return 0;
}
@@ -4134,23 +4140,21 @@ static bool nfs4_write_stateid_changed(struct rpc_task *task,
return true;
}
static int nfs4_write_done(struct rpc_task *task, struct nfs_pgio_data *data)
static int nfs4_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
{
if (!nfs4_sequence_done(task, &data->res.seq_res))
if (!nfs4_sequence_done(task, &hdr->res.seq_res))
return -EAGAIN;
if (nfs4_write_stateid_changed(task, &data->args))
if (nfs4_write_stateid_changed(task, &hdr->args))
return -EAGAIN;
return data->pgio_done_cb ? data->pgio_done_cb(task, data) :
nfs4_write_done_cb(task, data);
return hdr->pgio_done_cb ? hdr->pgio_done_cb(task, hdr) :
nfs4_write_done_cb(task, hdr);
}
static
bool nfs4_write_need_cache_consistency_data(const struct nfs_pgio_data *data)
bool nfs4_write_need_cache_consistency_data(struct nfs_pgio_header *hdr)
{
const struct nfs_pgio_header *hdr = data->header;
/* Don't request attributes for pNFS or O_DIRECT writes */
if (data->ds_clp != NULL || hdr->dreq != NULL)
if (hdr->ds_clp != NULL || hdr->dreq != NULL)
return false;
/* Otherwise, request attributes if and only if we don't hold
* a delegation
@@ -4158,23 +4162,24 @@ bool nfs4_write_need_cache_consistency_data(const struct nfs_pgio_data *data)
return nfs4_have_delegation(hdr->inode, FMODE_READ) == 0;
}
static void nfs4_proc_write_setup(struct nfs_pgio_data *data, struct rpc_message *msg)
static void nfs4_proc_write_setup(struct nfs_pgio_header *hdr,
struct rpc_message *msg)
{
struct nfs_server *server = NFS_SERVER(data->header->inode);
struct nfs_server *server = NFS_SERVER(hdr->inode);
if (!nfs4_write_need_cache_consistency_data(data)) {
data->args.bitmask = NULL;
data->res.fattr = NULL;
if (!nfs4_write_need_cache_consistency_data(hdr)) {
hdr->args.bitmask = NULL;
hdr->res.fattr = NULL;
} else
data->args.bitmask = server->cache_consistency_bitmask;
hdr->args.bitmask = server->cache_consistency_bitmask;
if (!data->pgio_done_cb)
data->pgio_done_cb = nfs4_write_done_cb;
data->res.server = server;
data->timestamp = jiffies;
if (!hdr->pgio_done_cb)
hdr->pgio_done_cb = nfs4_write_done_cb;
hdr->res.server = server;
hdr->timestamp = jiffies;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_WRITE];
nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1);
nfs4_init_sequence(&hdr->args.seq_args, &hdr->res.seq_res, 1);
}
static void nfs4_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)