From: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
What we have here is two functions that look identical. Let's share
some more code!
Signed-off-by: Anna Schumaker <Anna.Schumaker@xxxxxxxxxx>
---
fs/nfs/internal.h | 1 +
fs/nfs/pageio.c | 23 +++++++++++++++++++++++
fs/nfs/read.c | 25 +------------------------
fs/nfs/write.c | 26 +-------------------------
4 files changed, 26 insertions(+), 49 deletions(-)
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 81c314c..0243825 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -403,6 +403,7 @@ extern int nfs_generic_pgio(struct nfs_pageio_descriptor *, struct nfs_pgio_head
extern int nfs_initiate_pgio(struct rpc_clnt *, struct nfs_pgio_data *,
const struct rpc_call_ops *, int, int);
extern int nfs_do_multiple_pgios(struct list_head *, const struct rpc_call_ops *, int);
+extern int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *);
/* read.c */
extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
diff --git a/fs/nfs/pageio.c b/fs/nfs/pageio.c
index 4a98d54..da01458 100644
--- a/fs/nfs/pageio.c
+++ b/fs/nfs/pageio.c
@@ -312,6 +312,29 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
}
EXPORT_SYMBOL_GPL(nfs_generic_pgio);
+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) {
+ desc->pg_completion_ops->error_cleanup(&desc->pg_list);
+ return -ENOMEM;
+ }
+ hdr = &rw_hdr->header;
+ nfs_pgheader_init(desc, hdr, nfs_rw_header_free);
+ atomic_inc(&hdr->refcnt);
+ ret = nfs_generic_pgio(desc, hdr);
+ if (ret == 0)
+ ret = nfs_do_multiple_pgios(&hdr->rpc_list,
+ desc->pg_rpc_callops, 0);
+ if (atomic_dec_and_test(&hdr->refcnt))
+ hdr->completion_ops->completion(hdr);
+ return ret;
+}
+
static void nfs_pgio_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_pgio_data *data = calldata;
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 9dd1aeb..8460795 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -178,32 +178,9 @@ static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops = {
.completion = nfs_read_completion,
};
-static int nfs_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) {
- desc->pg_completion_ops->error_cleanup(&desc->pg_list);
- return -ENOMEM;
- }
- hdr = &rhdr->header;
- nfs_pgheader_init(desc, hdr, nfs_rw_header_free);
- atomic_inc(&hdr->refcnt);
- ret = nfs_generic_pgio(desc, hdr);
- if (ret == 0)
- ret = nfs_do_multiple_pgios(&hdr->rpc_list,
- desc->pg_rpc_callops, 0);
- if (atomic_dec_and_test(&hdr->refcnt))
- hdr->completion_ops->completion(hdr);
- return ret;
-}
-
static const struct nfs_pageio_ops nfs_pageio_read_ops = {
.pg_test = nfs_generic_pg_test,
- .pg_doio = nfs_generic_pg_readpages,
+ .pg_doio = nfs_generic_pg_pgios,
};
/*
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 28fdde2..ebbb663 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -973,33 +973,9 @@ static const struct nfs_pgio_completion_ops nfs_async_write_completion_ops = {
.completion = nfs_write_completion,
};
-static int nfs_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) {
- desc->pg_completion_ops->error_cleanup(&desc->pg_list);
- return -ENOMEM;
- }
- hdr = &whdr->header;
- nfs_pgheader_init(desc, hdr, nfs_rw_header_free);
- atomic_inc(&hdr->refcnt);
- ret = nfs_generic_pgio(desc, hdr);
- if (ret == 0)
- ret = nfs_do_multiple_pgios(&hdr->rpc_list,
- desc->pg_rpc_callops,
- desc->pg_ioflags);
- if (atomic_dec_and_test(&hdr->refcnt))
- hdr->completion_ops->completion(hdr);
- return ret;
-}
-
static const struct nfs_pageio_ops nfs_pageio_write_ops = {
.pg_test = nfs_generic_pg_test,
- .pg_doio = nfs_generic_pg_writepages,
+ .pg_doio = nfs_generic_pg_pgios,
};
void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
--
1.9.2
--
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