Commits don't need the vectors of pages, etc. that writes do. Split out
a separate structure for the commit operation.
Signed-off-by: Fred Isaman <iisaman@xxxxxxxxxx>
---
fs/nfs/direct.c | 17 +++++-------
fs/nfs/internal.h | 13 +++++----
fs/nfs/nfs3proc.c | 10 ++++++-
fs/nfs/nfs3xdr.c | 6 ++--
fs/nfs/nfs4filelayout.c | 65 +++++++++++++++++++++++++++++++++-------------
fs/nfs/nfs4proc.c | 23 ++++++++++++----
fs/nfs/nfs4xdr.c | 8 +++---
fs/nfs/proc.c | 8 +++++-
fs/nfs/write.c | 50 +++++++++++++++++++++--------------
include/linux/nfs_fs.h | 4 +-
include/linux/nfs_xdr.h | 45 ++++++++++++++++++++++++++++++--
11 files changed, 173 insertions(+), 76 deletions(-)
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 8a89423..5897dfe 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -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)
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 2476dc6..87e899d 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -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);
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 5242eae..b1daca7 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -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,
diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index a77cc9a..01e53e9 100644
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -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 @@ out_status:
*/
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;
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 15aeba2..675ce3b 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -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;
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index f82bde0..54f6268 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -3413,7 +3413,17 @@ 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;
@@ -3425,14 +3435,14 @@ 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);
@@ -3441,8 +3451,8 @@ 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);
@@ -6498,6 +6508,7 @@ 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,
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index c74fdb1..c7ed9cb 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -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;
@@ -2447,7 +2447,7 @@ 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),
@@ -4101,7 +4101,7 @@ 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;
@@ -6336,7 +6336,7 @@ out:
* 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;
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index b63b6f4..bf80503 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -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,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index c074623..54f7c0f 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -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)
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index 52a1bdb..d5d68f3 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -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)
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index bfd0d1b..2aff66d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -514,6 +514,24 @@ struct nfs_writeres {
};
/*
+ * 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
*/
struct nfs_removeargs {
@@ -1166,6 +1184,8 @@ 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;
@@ -1181,7 +1201,6 @@ 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
@@ -1192,6 +1211,25 @@ 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;
@@ -1272,8 +1310,9 @@ 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 *);
--
1.7.2.1
--
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