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-rw-r--r--fs/nfs/direct.c8
-rw-r--r--fs/nfs/internal.h6
-rw-r--r--fs/nfs/pagelist.c94
-rw-r--r--fs/nfs/pnfs.c24
-rw-r--r--fs/nfs/read.c6
-rw-r--r--fs/nfs/write.c10
6 files changed, 53 insertions, 95 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index 8f98138cbc43..179de67ca907 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -148,8 +148,8 @@ static void nfs_direct_set_hdr_verf(struct nfs_direct_req *dreq,
{
struct nfs_writeverf *verfp;
- verfp = nfs_direct_select_verf(dreq, hdr->data->ds_clp,
- hdr->data->ds_idx);
+ verfp = nfs_direct_select_verf(dreq, hdr->data.ds_clp,
+ hdr->data.ds_idx);
WARN_ON_ONCE(verfp->committed >= 0);
memcpy(verfp, &hdr->verf, sizeof(struct nfs_writeverf));
WARN_ON_ONCE(verfp->committed < 0);
@@ -169,8 +169,8 @@ static int nfs_direct_set_or_cmp_hdr_verf(struct nfs_direct_req *dreq,
{
struct nfs_writeverf *verfp;
- verfp = nfs_direct_select_verf(dreq, hdr->data->ds_clp,
- hdr->data->ds_idx);
+ verfp = nfs_direct_select_verf(dreq, hdr->data.ds_clp,
+ hdr->data.ds_idx);
if (verfp->committed < 0) {
nfs_direct_set_hdr_verf(dreq, hdr);
return 0;
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 82ddbf46660e..5cda049c8f9b 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -238,9 +238,9 @@ void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos);
int nfs_iocounter_wait(struct nfs_io_counter *c);
extern const struct nfs_pageio_ops nfs_pgio_rw_ops;
-struct nfs_rw_header *nfs_rw_header_alloc(const struct nfs_rw_ops *);
-void nfs_rw_header_free(struct nfs_pgio_header *);
-void nfs_pgio_data_release(struct nfs_pgio_data *);
+struct nfs_pgio_header *nfs_pgio_header_alloc(const struct nfs_rw_ops *);
+void nfs_pgio_header_free(struct nfs_pgio_header *);
+void nfs_pgio_data_destroy(struct nfs_pgio_data *);
int nfs_generic_pgio(struct nfs_pageio_descriptor *, struct nfs_pgio_header *);
int nfs_initiate_pgio(struct rpc_clnt *, struct nfs_pgio_data *,
const struct rpc_call_ops *, int, int);
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index b6ee3a6ee96d..e4cde476562f 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -452,95 +452,61 @@ size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc,
}
EXPORT_SYMBOL_GPL(nfs_generic_pg_test);
-static inline struct nfs_rw_header *NFS_RW_HEADER(struct nfs_pgio_header *hdr)
+struct nfs_pgio_header *nfs_pgio_header_alloc(const struct nfs_rw_ops *ops)
{
- return container_of(hdr, struct nfs_rw_header, header);
-}
-
-/**
- * nfs_rw_header_alloc - Allocate a header for a read or write
- * @ops: Read or write function vector
- */
-struct nfs_rw_header *nfs_rw_header_alloc(const struct nfs_rw_ops *ops)
-{
- struct nfs_rw_header *header = ops->rw_alloc_header();
-
- if (header) {
- struct nfs_pgio_header *hdr = &header->header;
+ struct nfs_pgio_header *hdr = ops->rw_alloc_header();
+ if (hdr) {
INIT_LIST_HEAD(&hdr->pages);
spin_lock_init(&hdr->lock);
atomic_set(&hdr->refcnt, 0);
hdr->rw_ops = ops;
}
- return header;
+ return hdr;
}
-EXPORT_SYMBOL_GPL(nfs_rw_header_alloc);
+EXPORT_SYMBOL_GPL(nfs_pgio_header_alloc);
/*
- * nfs_rw_header_free - Free a read or write header
+ * nfs_pgio_header_free - Free a read or write header
* @hdr: The header to free
*/
-void nfs_rw_header_free(struct nfs_pgio_header *hdr)
+void nfs_pgio_header_free(struct nfs_pgio_header *hdr)
{
- hdr->rw_ops->rw_free_header(NFS_RW_HEADER(hdr));
+ hdr->rw_ops->rw_free_header(hdr);
}
-EXPORT_SYMBOL_GPL(nfs_rw_header_free);
+EXPORT_SYMBOL_GPL(nfs_pgio_header_free);
/**
* nfs_pgio_data_alloc - Allocate pageio data
* @hdr: The header making a request
* @pagecount: Number of pages to create
*/
-static struct nfs_pgio_data *nfs_pgio_data_alloc(struct nfs_pgio_header *hdr,
- unsigned int pagecount)
+static bool nfs_pgio_data_init(struct nfs_pgio_header *hdr,
+ unsigned int pagecount)
{
- struct nfs_pgio_data *data, *prealloc;
-
- prealloc = &NFS_RW_HEADER(hdr)->rpc_data;
- if (prealloc->header == NULL)
- data = prealloc;
- else
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data)
- goto out;
-
- if (nfs_pgarray_set(&data->pages, pagecount)) {
- data->header = hdr;
+ if (nfs_pgarray_set(&hdr->data.pages, pagecount)) {
+ hdr->data.header = hdr;
atomic_inc(&hdr->refcnt);
- } else {
- if (data != prealloc)
- kfree(data);
- data = NULL;
+ return true;
}
-out:
- return data;
+ return false;
}
/**
- * nfs_pgio_data_release - Properly free pageio data
- * @data: The data to release
+ * nfs_pgio_data_destroy - Properly free pageio data
+ * @data: The data to destroy
*/
-void nfs_pgio_data_release(struct nfs_pgio_data *data)
+void nfs_pgio_data_destroy(struct nfs_pgio_data *data)
{
struct nfs_pgio_header *hdr = data->header;
- struct nfs_rw_header *pageio_header = NFS_RW_HEADER(hdr);
put_nfs_open_context(data->args.context);
if (data->pages.pagevec != data->pages.page_array)
kfree(data->pages.pagevec);
- if (data == &pageio_header->rpc_data) {
- data->header = NULL;
- data = NULL;
- }
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
- /* Note: we only free the rpc_task after callbacks are done.
- * See the comment in rpc_free_task() for why
- */
- kfree(data);
}
-EXPORT_SYMBOL_GPL(nfs_pgio_data_release);
+EXPORT_SYMBOL_GPL(nfs_pgio_data_destroy);
/**
* nfs_pgio_rpcsetup - Set up arguments for a pageio call
@@ -655,8 +621,7 @@ static int nfs_pgio_error(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr)
{
set_bit(NFS_IOHDR_REDO, &hdr->flags);
- nfs_pgio_data_release(hdr->data);
- hdr->data = NULL;
+ nfs_pgio_data_destroy(&hdr->data);
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
return -ENOMEM;
}
@@ -670,7 +635,7 @@ static void nfs_pgio_release(void *calldata)
struct nfs_pgio_data *data = calldata;
if (data->header->rw_ops->rw_release)
data->header->rw_ops->rw_release(data);
- nfs_pgio_data_release(data);
+ nfs_pgio_data_destroy(data);
}
/**
@@ -746,11 +711,11 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
struct list_head *head = &desc->pg_list;
struct nfs_commit_info cinfo;
- data = nfs_pgio_data_alloc(hdr, nfs_page_array_len(desc->pg_base,
- desc->pg_count));
- if (!data)
+ if (!nfs_pgio_data_init(hdr, nfs_page_array_len(desc->pg_base,
+ desc->pg_count)))
return nfs_pgio_error(desc, hdr);
+ data = &hdr->data;
nfs_init_cinfo(&cinfo, desc->pg_inode, desc->pg_dreq);
pages = data->pages.pagevec;
while (!list_empty(head)) {
@@ -766,7 +731,6 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
/* Set up the argument struct */
nfs_pgio_rpcsetup(data, desc->pg_count, 0, desc->pg_ioflags, &cinfo);
- hdr->data = data;
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
@@ -774,22 +738,20 @@ EXPORT_SYMBOL_GPL(nfs_generic_pgio);
static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc)
{
- struct nfs_rw_header *rw_hdr;
struct nfs_pgio_header *hdr;
int ret;
- rw_hdr = nfs_rw_header_alloc(desc->pg_rw_ops);
- if (!rw_hdr) {
+ hdr = nfs_pgio_header_alloc(desc->pg_rw_ops);
+ if (!hdr) {
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
return -ENOMEM;
}
- hdr = &rw_hdr->header;
- nfs_pgheader_init(desc, hdr, nfs_rw_header_free);
+ nfs_pgheader_init(desc, hdr, nfs_pgio_header_free);
atomic_inc(&hdr->refcnt);
ret = nfs_generic_pgio(desc, hdr);
if (ret == 0)
ret = nfs_initiate_pgio(NFS_CLIENT(hdr->inode),
- hdr->data, desc->pg_rpc_callops,
+ &hdr->data, desc->pg_rpc_callops,
desc->pg_ioflags, 0);
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 6fdcd233d6f7..067104cce181 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1546,7 +1546,7 @@ pnfs_write_through_mds(struct nfs_pageio_descriptor *desc,
nfs_pageio_reset_write_mds(desc);
desc->pg_recoalesce = 1;
}
- nfs_pgio_data_release(data);
+ nfs_pgio_data_destroy(data);
}
static enum pnfs_try_status
@@ -1575,7 +1575,7 @@ static void
pnfs_do_write(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr, int how)
{
- struct nfs_pgio_data *data = hdr->data;
+ struct nfs_pgio_data *data = &hdr->data;
const struct rpc_call_ops *call_ops = desc->pg_rpc_callops;
struct pnfs_layout_segment *lseg = desc->pg_lseg;
enum pnfs_try_status trypnfs;
@@ -1590,25 +1590,23 @@ pnfs_do_write(struct nfs_pageio_descriptor *desc,
static void pnfs_writehdr_free(struct nfs_pgio_header *hdr)
{
pnfs_put_lseg(hdr->lseg);
- nfs_rw_header_free(hdr);
+ nfs_pgio_header_free(hdr);
}
EXPORT_SYMBOL_GPL(pnfs_writehdr_free);
int
pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
{
- struct nfs_rw_header *whdr;
struct nfs_pgio_header *hdr;
int ret;
- whdr = nfs_rw_header_alloc(desc->pg_rw_ops);
- if (!whdr) {
+ hdr = nfs_pgio_header_alloc(desc->pg_rw_ops);
+ if (!hdr) {
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
return -ENOMEM;
}
- hdr = &whdr->header;
nfs_pgheader_init(desc, hdr, pnfs_writehdr_free);
hdr->lseg = pnfs_get_lseg(desc->pg_lseg);
atomic_inc(&hdr->refcnt);
@@ -1696,7 +1694,7 @@ pnfs_read_through_mds(struct nfs_pageio_descriptor *desc,
nfs_pageio_reset_read_mds(desc);
desc->pg_recoalesce = 1;
}
- nfs_pgio_data_release(data);
+ nfs_pgio_data_destroy(data);
}
/*
@@ -1727,7 +1725,7 @@ pnfs_try_to_read_data(struct nfs_pgio_data *rdata,
static void
pnfs_do_read(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr)
{
- struct nfs_pgio_data *data = hdr->data;
+ struct nfs_pgio_data *data = &hdr->data;
const struct rpc_call_ops *call_ops = desc->pg_rpc_callops;
struct pnfs_layout_segment *lseg = desc->pg_lseg;
enum pnfs_try_status trypnfs;
@@ -1742,26 +1740,24 @@ pnfs_do_read(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr)
static void pnfs_readhdr_free(struct nfs_pgio_header *hdr)
{
pnfs_put_lseg(hdr->lseg);
- nfs_rw_header_free(hdr);
+ nfs_pgio_header_free(hdr);
}
EXPORT_SYMBOL_GPL(pnfs_readhdr_free);
int
pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
{
- struct nfs_rw_header *rhdr;
struct nfs_pgio_header *hdr;
int ret;
- rhdr = nfs_rw_header_alloc(desc->pg_rw_ops);
- if (!rhdr) {
+ hdr = nfs_pgio_header_alloc(desc->pg_rw_ops);
+ if (!hdr) {
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
ret = -ENOMEM;
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
return ret;
}
- hdr = &rhdr->header;
nfs_pgheader_init(desc, hdr, pnfs_readhdr_free);
hdr->lseg = pnfs_get_lseg(desc->pg_lseg);
atomic_inc(&hdr->refcnt);
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index e818a475ca64..d9df4ab3737b 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -33,12 +33,12 @@ static const struct nfs_rw_ops nfs_rw_read_ops;
static struct kmem_cache *nfs_rdata_cachep;
-static struct nfs_rw_header *nfs_readhdr_alloc(void)
+static struct nfs_pgio_header *nfs_readhdr_alloc(void)
{
return kmem_cache_zalloc(nfs_rdata_cachep, GFP_KERNEL);
}
-static void nfs_readhdr_free(struct nfs_rw_header *rhdr)
+static void nfs_readhdr_free(struct nfs_pgio_header *rhdr)
{
kmem_cache_free(nfs_rdata_cachep, rhdr);
}
@@ -404,7 +404,7 @@ out:
int __init nfs_init_readpagecache(void)
{
nfs_rdata_cachep = kmem_cache_create("nfs_read_data",
- sizeof(struct nfs_rw_header),
+ sizeof(struct nfs_pgio_header),
0, SLAB_HWCACHE_ALIGN,
NULL);
if (nfs_rdata_cachep == NULL)
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 98ff061ccaf3..d694952f0071 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -70,18 +70,18 @@ void nfs_commit_free(struct nfs_commit_data *p)
}
EXPORT_SYMBOL_GPL(nfs_commit_free);
-static struct nfs_rw_header *nfs_writehdr_alloc(void)
+static struct nfs_pgio_header *nfs_writehdr_alloc(void)
{
- struct nfs_rw_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO);
+ struct nfs_pgio_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO);
if (p)
memset(p, 0, sizeof(*p));
return p;
}
-static void nfs_writehdr_free(struct nfs_rw_header *whdr)
+static void nfs_writehdr_free(struct nfs_pgio_header *hdr)
{
- mempool_free(whdr, nfs_wdata_mempool);
+ mempool_free(hdr, nfs_wdata_mempool);
}
static void nfs_context_set_write_error(struct nfs_open_context *ctx, int error)
@@ -1655,7 +1655,7 @@ int nfs_migrate_page(struct address_space *mapping, struct page *newpage,
int __init nfs_init_writepagecache(void)
{
nfs_wdata_cachep = kmem_cache_create("nfs_write_data",
- sizeof(struct nfs_rw_header),
+ sizeof(struct nfs_pgio_header),
0, SLAB_HWCACHE_ALIGN,
NULL);
if (nfs_wdata_cachep == NULL)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-01 02:51:46 +0000