Commit 0b7c0153 authored by Fred Isaman's avatar Fred Isaman Committed by Trond Myklebust

NFS: add a struct nfs_commit_data to replace nfs_write_data in commits

Commits don't need the vectors of pages, etc. that writes do. Split out
a separate structure for the commit operation.
Signed-off-by: default avatarFred Isaman <iisaman@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 799ba8d5
......@@ -82,7 +82,7 @@ struct nfs_direct_req {
/* commit state */
struct list_head rewrite_list; /* saved nfs_write_data structs */
struct nfs_write_data * commit_data; /* special write_data for commits */
struct nfs_commit_data *commit_data; /* special write_data for commits */
int flags;
#define NFS_ODIRECT_DO_COMMIT (1) /* an unstable reply was received */
#define NFS_ODIRECT_RESCHED_WRITES (2) /* write verification failed */
......@@ -524,7 +524,7 @@ static void nfs_direct_write_reschedule(struct nfs_direct_req *dreq)
static void nfs_direct_commit_result(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = calldata;
struct nfs_commit_data *data = calldata;
/* Call the NFS version-specific code */
NFS_PROTO(data->inode)->commit_done(task, data);
......@@ -532,8 +532,8 @@ static void nfs_direct_commit_result(struct rpc_task *task, void *calldata)
static void nfs_direct_commit_release(void *calldata)
{
struct nfs_write_data *data = calldata;
struct nfs_direct_req *dreq = (struct nfs_direct_req *) data->req;
struct nfs_commit_data *data = calldata;
struct nfs_direct_req *dreq = data->dreq;
int status = data->task.tk_status;
if (status < 0) {
......@@ -551,14 +551,14 @@ static void nfs_direct_commit_release(void *calldata)
}
static const struct rpc_call_ops nfs_commit_direct_ops = {
.rpc_call_prepare = nfs_write_prepare,
.rpc_call_prepare = nfs_commit_prepare,
.rpc_call_done = nfs_direct_commit_result,
.rpc_release = nfs_direct_commit_release,
};
static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
{
struct nfs_write_data *data = dreq->commit_data;
struct nfs_commit_data *data = dreq->commit_data;
struct rpc_task *task;
struct rpc_message msg = {
.rpc_argp = &data->args,
......@@ -581,9 +581,6 @@ static void nfs_direct_commit_schedule(struct nfs_direct_req *dreq)
data->args.fh = NFS_FH(data->inode);
data->args.offset = 0;
data->args.count = 0;
data->args.context = dreq->ctx;
data->args.lock_context = dreq->l_ctx;
data->res.count = 0;
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
nfs_fattr_init(&data->fattr);
......@@ -625,7 +622,7 @@ static void nfs_alloc_commit_data(struct nfs_direct_req *dreq)
{
dreq->commit_data = nfs_commitdata_alloc();
if (dreq->commit_data != NULL)
dreq->commit_data->req = (struct nfs_page *) dreq;
dreq->commit_data->dreq = dreq;
}
#else
static inline void nfs_alloc_commit_data(struct nfs_direct_req *dreq)
......
......@@ -314,24 +314,25 @@ extern void nfs_pageio_init_write_mds(struct nfs_pageio_descriptor *pgio,
struct inode *inode, int ioflags);
extern void nfs_pageio_reset_write_mds(struct nfs_pageio_descriptor *pgio);
extern void nfs_writedata_release(struct nfs_write_data *wdata);
extern void nfs_commit_free(struct nfs_write_data *p);
extern void nfs_commit_free(struct nfs_commit_data *p);
extern int nfs_initiate_write(struct nfs_write_data *data,
struct rpc_clnt *clnt,
const struct rpc_call_ops *call_ops,
int how);
extern void nfs_write_prepare(struct rpc_task *task, void *calldata);
extern int nfs_initiate_commit(struct nfs_write_data *data,
struct rpc_clnt *clnt,
extern void nfs_commit_prepare(struct rpc_task *task, void *calldata);
extern int nfs_initiate_commit(struct rpc_clnt *clnt,
struct nfs_commit_data *data,
const struct rpc_call_ops *call_ops,
int how);
extern void nfs_init_commit(struct nfs_write_data *data,
extern void nfs_init_commit(struct nfs_commit_data *data,
struct list_head *head,
struct pnfs_layout_segment *lseg);
void nfs_retry_commit(struct list_head *page_list,
struct pnfs_layout_segment *lseg);
void nfs_commit_clear_lock(struct nfs_inode *nfsi);
void nfs_commitdata_release(void *data);
void nfs_commit_release_pages(struct nfs_write_data *data);
void nfs_commitdata_release(struct nfs_commit_data *data);
void nfs_commit_release_pages(struct nfs_commit_data *data);
void nfs_request_add_commit_list(struct nfs_page *req, struct list_head *head);
void nfs_request_remove_commit_list(struct nfs_page *req);
......
......@@ -848,7 +848,12 @@ static void nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_
rpc_call_start(task);
}
static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
{
rpc_call_start(task);
}
static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data)
{
if (nfs3_async_handle_jukebox(task, data->inode))
return -EAGAIN;
......@@ -856,7 +861,7 @@ static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
return 0;
}
static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
{
msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
}
......@@ -907,6 +912,7 @@ const struct nfs_rpc_ops nfs_v3_clientops = {
.write_rpc_prepare = nfs3_proc_write_rpc_prepare,
.write_done = nfs3_write_done,
.commit_setup = nfs3_proc_commit_setup,
.commit_rpc_prepare = nfs3_proc_commit_rpc_prepare,
.commit_done = nfs3_commit_done,
.lock = nfs3_proc_lock,
.clear_acl_cache = nfs3_forget_cached_acls,
......
......@@ -1287,7 +1287,7 @@ static void nfs3_xdr_enc_readdirplus3args(struct rpc_rqst *req,
* };
*/
static void encode_commit3args(struct xdr_stream *xdr,
const struct nfs_writeargs *args)
const struct nfs_commitargs *args)
{
__be32 *p;
......@@ -1300,7 +1300,7 @@ static void encode_commit3args(struct xdr_stream *xdr,
static void nfs3_xdr_enc_commit3args(struct rpc_rqst *req,
struct xdr_stream *xdr,
const struct nfs_writeargs *args)
const struct nfs_commitargs *args)
{
encode_commit3args(xdr, args);
}
......@@ -2319,7 +2319,7 @@ static int nfs3_xdr_dec_pathconf3res(struct rpc_rqst *req,
*/
static int nfs3_xdr_dec_commit3res(struct rpc_rqst *req,
struct xdr_stream *xdr,
struct nfs_writeres *result)
struct nfs_commitres *result)
{
enum nfs_stat status;
int error;
......
......@@ -250,7 +250,7 @@ static int filelayout_write_done_cb(struct rpc_task *task,
}
/* Fake up some data that will cause nfs_commit_release to retry the writes. */
static void prepare_to_resend_writes(struct nfs_write_data *data)
static void prepare_to_resend_writes(struct nfs_commit_data *data)
{
struct nfs_page *first = nfs_list_entry(data->pages.next);
......@@ -261,11 +261,11 @@ static void prepare_to_resend_writes(struct nfs_write_data *data)
}
static int filelayout_commit_done_cb(struct rpc_task *task,
struct nfs_write_data *data)
struct nfs_commit_data *data)
{
int reset = 0;
if (filelayout_async_handle_error(task, data->args.context->state,
if (filelayout_async_handle_error(task, data->context->state,
data->ds_clp, &reset) == -EAGAIN) {
dprintk("%s calling restart ds_clp %p ds_clp->cl_session %p\n",
__func__, data->ds_clp, data->ds_clp->cl_session);
......@@ -315,15 +315,42 @@ static void filelayout_write_release(void *data)
wdata->mds_ops->rpc_release(data);
}
static void filelayout_commit_release(void *data)
static void filelayout_commit_prepare(struct rpc_task *task, void *data)
{
struct nfs_write_data *wdata = (struct nfs_write_data *)data;
struct nfs_commit_data *wdata = data;
nfs_commit_release_pages(wdata);
if (atomic_dec_and_test(&NFS_I(wdata->inode)->commits_outstanding))
nfs_commit_clear_lock(NFS_I(wdata->inode));
put_lseg(wdata->lseg);
nfs_commitdata_release(wdata);
if (nfs41_setup_sequence(wdata->ds_clp->cl_session,
&wdata->args.seq_args, &wdata->res.seq_res,
task))
return;
rpc_call_start(task);
}
static void filelayout_write_commit_done(struct rpc_task *task, void *data)
{
struct nfs_commit_data *wdata = data;
/* Note this may cause RPC to be resent */
wdata->mds_ops->rpc_call_done(task, data);
}
static void filelayout_commit_count_stats(struct rpc_task *task, void *data)
{
struct nfs_commit_data *cdata = data;
rpc_count_iostats(task, NFS_SERVER(cdata->inode)->client->cl_metrics);
}
static void filelayout_commit_release(void *calldata)
{
struct nfs_commit_data *data = calldata;
nfs_commit_release_pages(data);
if (atomic_dec_and_test(&NFS_I(data->inode)->commits_outstanding))
nfs_commit_clear_lock(NFS_I(data->inode));
put_lseg(data->lseg);
nfs_commitdata_release(data);
}
static const struct rpc_call_ops filelayout_read_call_ops = {
......@@ -341,9 +368,9 @@ static const struct rpc_call_ops filelayout_write_call_ops = {
};
static const struct rpc_call_ops filelayout_commit_call_ops = {
.rpc_call_prepare = filelayout_write_prepare,
.rpc_call_done = filelayout_write_call_done,
.rpc_count_stats = filelayout_write_count_stats,
.rpc_call_prepare = filelayout_commit_prepare,
.rpc_call_done = filelayout_write_commit_done,
.rpc_count_stats = filelayout_commit_count_stats,
.rpc_release = filelayout_commit_release,
};
......@@ -922,7 +949,7 @@ select_ds_fh_from_commit(struct pnfs_layout_segment *lseg, u32 i)
return flseg->fh_array[i];
}
static int filelayout_initiate_commit(struct nfs_write_data *data, int how)
static int filelayout_initiate_commit(struct nfs_commit_data *data, int how)
{
struct pnfs_layout_segment *lseg = data->lseg;
struct nfs4_pnfs_ds *ds;
......@@ -941,12 +968,12 @@ static int filelayout_initiate_commit(struct nfs_write_data *data, int how)
return -EAGAIN;
}
dprintk("%s ino %lu, how %d\n", __func__, data->inode->i_ino, how);
data->write_done_cb = filelayout_commit_done_cb;
data->commit_done_cb = filelayout_commit_done_cb;
data->ds_clp = ds->ds_clp;
fh = select_ds_fh_from_commit(lseg, data->ds_commit_index);
if (fh)
data->args.fh = fh;
return nfs_initiate_commit(data, ds->ds_clp->cl_rpcclient,
return nfs_initiate_commit(ds->ds_clp->cl_rpcclient, data,
&filelayout_commit_call_ops, how);
}
......@@ -1008,7 +1035,7 @@ alloc_ds_commits(struct inode *inode, struct list_head *list)
{
struct nfs4_fl_commit_info *fl_cinfo;
struct nfs4_fl_commit_bucket *bucket;
struct nfs_write_data *data;
struct nfs_commit_data *data;
int i, j;
unsigned int nreq = 0;
......@@ -1044,7 +1071,7 @@ static int
filelayout_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
int how)
{
struct nfs_write_data *data, *tmp;
struct nfs_commit_data *data, *tmp;
LIST_HEAD(list);
unsigned int nreq = 0;
......@@ -1071,7 +1098,7 @@ filelayout_commit_pagelist(struct inode *inode, struct list_head *mds_pages,
list_del_init(&data->pages);
if (!data->lseg) {
nfs_init_commit(data, mds_pages, NULL);
nfs_initiate_commit(data, NFS_CLIENT(inode),
nfs_initiate_commit(NFS_CLIENT(inode), data,
data->mds_ops, how);
} else {
struct nfs4_fl_commit_info *fl_cinfo;
......
......@@ -3468,7 +3468,17 @@ static void nfs4_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_
rpc_call_start(task);
}
static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_write_data *data)
static void nfs4_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
{
if (nfs4_setup_sequence(NFS_SERVER(data->inode),
&data->args.seq_args,
&data->res.seq_res,
task))
return;
rpc_call_start(task);
}
static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_commit_data *data)
{
struct inode *inode = data->inode;
......@@ -3480,14 +3490,14 @@ static int nfs4_commit_done_cb(struct rpc_task *task, struct nfs_write_data *dat
return 0;
}
static int nfs4_commit_done(struct rpc_task *task, struct nfs_write_data *data)
static int nfs4_commit_done(struct rpc_task *task, struct nfs_commit_data *data)
{
if (!nfs4_sequence_done(task, &data->res.seq_res))
return -EAGAIN;
return data->write_done_cb(task, data);
return data->commit_done_cb(task, data);
}
static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
static void nfs4_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
{
struct nfs_server *server = NFS_SERVER(data->inode);
......@@ -3496,8 +3506,8 @@ static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_messa
data->res.fattr = NULL;
} else
data->args.bitmask = server->cache_consistency_bitmask;
if (!data->write_done_cb)
data->write_done_cb = nfs4_commit_done_cb;
if (data->commit_done_cb == NULL)
data->commit_done_cb = nfs4_commit_done_cb;
data->res.server = server;
msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_COMMIT];
nfs41_init_sequence(&data->args.seq_args, &data->res.seq_res, 1);
......@@ -6591,6 +6601,7 @@ const struct nfs_rpc_ops nfs_v4_clientops = {
.write_rpc_prepare = nfs4_proc_write_rpc_prepare,
.write_done = nfs4_write_done,
.commit_setup = nfs4_proc_commit_setup,
.commit_rpc_prepare = nfs4_proc_commit_rpc_prepare,
.commit_done = nfs4_commit_done,
.lock = nfs4_proc_lock,
.clear_acl_cache = nfs4_zap_acl_attr,
......
......@@ -1103,7 +1103,7 @@ static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg
encode_nfs4_stateid(xdr, arg->stateid);
}
static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
static void encode_commit(struct xdr_stream *xdr, const struct nfs_commitargs *args, struct compound_hdr *hdr)
{
__be32 *p;
......@@ -2448,7 +2448,7 @@ static void nfs4_xdr_enc_write(struct rpc_rqst *req, struct xdr_stream *xdr,
* a COMMIT request
*/
static void nfs4_xdr_enc_commit(struct rpc_rqst *req, struct xdr_stream *xdr,
struct nfs_writeargs *args)
struct nfs_commitargs *args)
{
struct compound_hdr hdr = {
.minorversion = nfs4_xdr_minorversion(&args->seq_args),
......@@ -4102,7 +4102,7 @@ static int decode_verifier(struct xdr_stream *xdr, void *verifier)
return decode_opaque_fixed(xdr, verifier, NFS4_VERIFIER_SIZE);
}
static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
static int decode_commit(struct xdr_stream *xdr, struct nfs_commitres *res)
{
int status;
......@@ -6353,7 +6353,7 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
* Decode COMMIT response
*/
static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, struct xdr_stream *xdr,
struct nfs_writeres *res)
struct nfs_commitres *res)
{
struct compound_hdr hdr;
int status;
......
......@@ -688,8 +688,13 @@ static void nfs_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_d
rpc_call_start(task);
}
static void nfs_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
{
BUG();
}
static void
nfs_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
{
BUG();
}
......@@ -764,6 +769,7 @@ const struct nfs_rpc_ops nfs_v2_clientops = {
.write_rpc_prepare = nfs_proc_write_rpc_prepare,
.write_done = nfs_write_done,
.commit_setup = nfs_proc_commit_setup,
.commit_rpc_prepare = nfs_proc_commit_rpc_prepare,
.lock = nfs_proc_lock,
.lock_check_bounds = nfs_lock_check_bounds,
.close_context = nfs_close_context,
......
......@@ -48,11 +48,12 @@ static const struct rpc_call_ops nfs_commit_ops;
static struct kmem_cache *nfs_wdata_cachep;
static mempool_t *nfs_wdata_mempool;
static struct kmem_cache *nfs_cdata_cachep;
static mempool_t *nfs_commit_mempool;
struct nfs_write_data *nfs_commitdata_alloc(void)
struct nfs_commit_data *nfs_commitdata_alloc(void)
{
struct nfs_write_data *p = mempool_alloc(nfs_commit_mempool, GFP_NOFS);
struct nfs_commit_data *p = mempool_alloc(nfs_commit_mempool, GFP_NOFS);
if (p) {
memset(p, 0, sizeof(*p));
......@@ -62,10 +63,8 @@ struct nfs_write_data *nfs_commitdata_alloc(void)
}
EXPORT_SYMBOL_GPL(nfs_commitdata_alloc);
void nfs_commit_free(struct nfs_write_data *p)
void nfs_commit_free(struct nfs_commit_data *p)
{
if (p && (p->pagevec != &p->page_array[0]))
kfree(p->pagevec);
mempool_free(p, nfs_commit_mempool);
}
EXPORT_SYMBOL_GPL(nfs_commit_free);
......@@ -1179,6 +1178,13 @@ void nfs_write_prepare(struct rpc_task *task, void *calldata)
NFS_PROTO(data->inode)->write_rpc_prepare(task, data);
}
void nfs_commit_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_commit_data *data = calldata;
NFS_PROTO(data->inode)->commit_rpc_prepare(task, data);
}
static const struct rpc_call_ops nfs_write_partial_ops = {
.rpc_call_prepare = nfs_write_prepare,
.rpc_call_done = nfs_writeback_done_partial,
......@@ -1355,16 +1361,14 @@ void nfs_commit_clear_lock(struct nfs_inode *nfsi)
}
EXPORT_SYMBOL_GPL(nfs_commit_clear_lock);
void nfs_commitdata_release(void *data)
void nfs_commitdata_release(struct nfs_commit_data *data)
{
struct nfs_write_data *wdata = data;
put_nfs_open_context(wdata->args.context);
nfs_commit_free(wdata);
put_nfs_open_context(data->context);
nfs_commit_free(data);
}
EXPORT_SYMBOL_GPL(nfs_commitdata_release);
int nfs_initiate_commit(struct nfs_write_data *data, struct rpc_clnt *clnt,
int nfs_initiate_commit(struct rpc_clnt *clnt, struct nfs_commit_data *data,
const struct rpc_call_ops *call_ops,
int how)
{
......@@ -1403,7 +1407,7 @@ EXPORT_SYMBOL_GPL(nfs_initiate_commit);
/*
* Set up the argument/result storage required for the RPC call.
*/
void nfs_init_commit(struct nfs_write_data *data,
void nfs_init_commit(struct nfs_commit_data *data,
struct list_head *head,
struct pnfs_layout_segment *lseg)
{
......@@ -1424,8 +1428,7 @@ void nfs_init_commit(struct nfs_write_data *data,
/* Note: we always request a commit of the entire inode */
data->args.offset = 0;
data->args.count = 0;
data->args.context = get_nfs_open_context(first->wb_context);
data->res.count = 0;
data->context = get_nfs_open_context(first->wb_context);
data->res.fattr = &data->fattr;
data->res.verf = &data->verf;
nfs_fattr_init(&data->fattr);
......@@ -1455,7 +1458,7 @@ EXPORT_SYMBOL_GPL(nfs_retry_commit);
static int
nfs_commit_list(struct inode *inode, struct list_head *head, int how)
{
struct nfs_write_data *data;
struct nfs_commit_data *data;
data = nfs_commitdata_alloc();
......@@ -1464,7 +1467,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
/* Set up the argument struct */
nfs_init_commit(data, head, NULL);
return nfs_initiate_commit(data, NFS_CLIENT(inode), data->mds_ops, how);
return nfs_initiate_commit(NFS_CLIENT(inode), data, data->mds_ops, how);
out_bad:
nfs_retry_commit(head, NULL);
nfs_commit_clear_lock(NFS_I(inode));
......@@ -1476,7 +1479,7 @@ nfs_commit_list(struct inode *inode, struct list_head *head, int how)
*/
static void nfs_commit_done(struct rpc_task *task, void *calldata)
{
struct nfs_write_data *data = calldata;
struct nfs_commit_data *data = calldata;
dprintk("NFS: %5u nfs_commit_done (status %d)\n",
task->tk_pid, task->tk_status);
......@@ -1485,7 +1488,7 @@ static void nfs_commit_done(struct rpc_task *task, void *calldata)
NFS_PROTO(data->inode)->commit_done(task, data);
}
void nfs_commit_release_pages(struct nfs_write_data *data)
void nfs_commit_release_pages(struct nfs_commit_data *data)
{
struct nfs_page *req;
int status = data->task.tk_status;
......@@ -1526,7 +1529,7 @@ EXPORT_SYMBOL_GPL(nfs_commit_release_pages);
static void nfs_commit_release(void *calldata)
{
struct nfs_write_data *data = calldata;
struct nfs_commit_data *data = calldata;
nfs_commit_release_pages(data);
nfs_commit_clear_lock(NFS_I(data->inode));
......@@ -1534,7 +1537,7 @@ static void nfs_commit_release(void *calldata)
}
static const struct rpc_call_ops nfs_commit_ops = {
.rpc_call_prepare = nfs_write_prepare,
.rpc_call_prepare = nfs_commit_prepare,
.rpc_call_done = nfs_commit_done,
.rpc_release = nfs_commit_release,
};
......@@ -1753,6 +1756,13 @@ int __init nfs_init_writepagecache(void)
if (nfs_wdata_mempool == NULL)
return -ENOMEM;
nfs_cdata_cachep = kmem_cache_create("nfs_commit_data",
sizeof(struct nfs_commit_data),
0, SLAB_HWCACHE_ALIGN,
NULL);
if (nfs_cdata_cachep == NULL)
return -ENOMEM;
nfs_commit_mempool = mempool_create_slab_pool(MIN_POOL_COMMIT,
nfs_wdata_cachep);
if (nfs_commit_mempool == NULL)
......
......@@ -552,8 +552,8 @@ extern int nfs_wb_page(struct inode *inode, struct page* page);
extern int nfs_wb_page_cancel(struct inode *inode, struct page* page);
#if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
extern int nfs_commit_inode(struct inode *, int);
extern struct nfs_write_data *nfs_commitdata_alloc(void);
extern void nfs_commit_free(struct nfs_write_data *wdata);
extern struct nfs_commit_data *nfs_commitdata_alloc(void);
extern void nfs_commit_free(struct nfs_commit_data *data);
#else
static inline int
nfs_commit_inode(struct inode *inode, int how)
......
......@@ -518,6 +518,24 @@ struct nfs_writeres {
struct nfs4_sequence_res seq_res;
};
/*
* Arguments to the commit call.
*/
struct nfs_commitargs {
struct nfs_fh *fh;
__u64 offset;
__u32 count;
const u32 *bitmask;
struct nfs4_sequence_args seq_args;
};
struct nfs_commitres {
struct nfs_fattr *fattr;
struct nfs_writeverf *verf;
const struct nfs_server *server;
struct nfs4_sequence_res seq_res;
};
/*
* Common arguments to the unlink call
*/
......@@ -1171,6 +1189,8 @@ struct nfs_read_data {
struct page *page_array[NFS_PAGEVEC_SIZE];
};
struct nfs_direct_req;
struct nfs_write_data {
struct rpc_task task;
struct inode *inode;
......@@ -1186,7 +1206,6 @@ struct nfs_write_data {
struct nfs_writeres res; /* result struct */
struct pnfs_layout_segment *lseg;
struct nfs_client *ds_clp; /* pNFS data server */
int ds_commit_index;
const struct rpc_call_ops *mds_ops;
int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
#ifdef CONFIG_NFS_V4
......@@ -1197,6 +1216,25 @@ struct nfs_write_data {
struct page *page_array[NFS_PAGEVEC_SIZE];
};
struct nfs_commit_data {
struct rpc_task task;
struct inode *inode;
struct rpc_cred *cred;
struct nfs_fattr fattr;
struct nfs_writeverf verf;
struct list_head pages; /* Coalesced requests we wish to flush */
struct list_head list; /* lists of struct nfs_write_data */
struct nfs_direct_req *dreq; /* O_DIRECT request */
struct nfs_commitargs args; /* argument struct */
struct nfs_commitres res; /* result struct */
struct nfs_open_context *context;
struct pnfs_layout_segment *lseg;
struct nfs_client *ds_clp; /* pNFS data server */
int ds_commit_index;
const struct rpc_call_ops *mds_ops;
int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
};
struct nfs_unlinkdata {
struct hlist_node list;
struct nfs_removeargs args;
......@@ -1277,8 +1315,9 @@ struct nfs_rpc_ops {
void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
int (*write_done) (struct rpc_task *, struct nfs_write_data *);
void (*commit_setup) (struct nfs_write_data *, struct rpc_message *);
int (*commit_done) (struct rpc_task *, struct nfs_write_data *);
void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
int (*lock)(struct file *, int, struct file_lock *);
int (*lock_check_bounds)(const struct file_lock *);
void (*clear_acl_cache)(struct inode *);
......
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