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NFS: Create a common rpc_call_ops struct

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The read and write paths set up this struct in exactly the same way, so
create a single shared struct.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Anna Schumaker 2014-05-06 09:12:33 -04:00 committed by Trond Myklebust
parent 0eecb2145c
commit 6f92fa4581
4 changed files with 13 additions and 24 deletions
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4
fs/nfs/internal.h
View File

@ -237,13 +237,11 @@ extern void nfs_pgheader_init(struct nfs_pageio_descriptor *desc,
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 rpc_call_ops nfs_pgio_common_ops;
struct nfs_rw_header *nfs_rw_header_alloc(const struct nfs_rw_ops *);
void nfs_rw_header_free(struct nfs_pgio_header *);
struct nfs_pgio_data *nfs_pgio_data_alloc(struct nfs_pgio_header *, unsigned int);
void nfs_pgio_data_release(struct nfs_pgio_data *);
void nfs_pgio_prepare(struct rpc_task *, void *);
void nfs_pgio_release(void *);
void nfs_pgio_result(struct rpc_task *, void *);
static inline void nfs_iocounter_init(struct nfs_io_counter *c)
{

11
fs/nfs/pagelist.c
View File

@ -393,7 +393,7 @@ EXPORT_SYMBOL_GPL(nfs_pgio_data_release);
* @task: The current task
* @calldata: pageio data to prepare
*/
void nfs_pgio_prepare(struct rpc_task *task, void *calldata)
static void nfs_pgio_prepare(struct rpc_task *task, void *calldata)
{
struct nfs_pgio_data *data = calldata;
int err;
@ -406,7 +406,7 @@ void nfs_pgio_prepare(struct rpc_task *task, void *calldata)
* nfs_pgio_release - Release pageio data
* @calldata: The pageio data to release
*/
void nfs_pgio_release(void *calldata)
static void nfs_pgio_release(void *calldata)
{
struct nfs_pgio_data *data = calldata;
if (data->header->rw_ops->rw_release)
@ -454,7 +454,7 @@ EXPORT_SYMBOL_GPL(nfs_pageio_init);
* @task: The task that ran
* @calldata: Pageio data to check
*/
void nfs_pgio_result(struct rpc_task *task, void *calldata)
static void nfs_pgio_result(struct rpc_task *task, void *calldata)
{
struct nfs_pgio_data *data = calldata;
struct inode *inode = data->header->inode;
@ -677,3 +677,8 @@ void nfs_destroy_nfspagecache(void)
kmem_cache_destroy(nfs_page_cachep);
}
const struct rpc_call_ops nfs_pgio_common_ops = {
.rpc_call_prepare = nfs_pgio_prepare,
.rpc_call_done = nfs_pgio_result,
.rpc_release = nfs_pgio_release,
};

11
fs/nfs/read.c
View File

@ -29,7 +29,6 @@
#define NFSDBG_FACILITY NFSDBG_PAGECACHE
static const struct nfs_pageio_ops nfs_pageio_read_ops;
static const struct rpc_call_ops nfs_read_common_ops;
static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops;
static const struct nfs_rw_ops nfs_rw_read_ops;
@ -314,7 +313,7 @@ static int nfs_pagein_multi(struct nfs_pageio_descriptor *desc,
nfs_list_remove_request(req);
nfs_list_add_request(req, &hdr->pages);
desc->pg_rpc_callops = &nfs_read_common_ops;
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
@ -343,7 +342,7 @@ static int nfs_pagein_one(struct nfs_pageio_descriptor *desc,
nfs_read_rpcsetup(data, desc->pg_count, 0);
list_add(&data->list, &hdr->rpc_list);
desc->pg_rpc_callops = &nfs_read_common_ops;
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
@ -443,12 +442,6 @@ static void nfs_readpage_result(struct rpc_task *task, struct nfs_pgio_data *dat
nfs_readpage_retry(task, data);
}
static const struct rpc_call_ops nfs_read_common_ops = {
.rpc_call_prepare = nfs_pgio_prepare,
.rpc_call_done = nfs_pgio_result,
.rpc_release = nfs_pgio_release,
};
/*
* Read a page over NFS.
* We read the page synchronously in the following case:

11
fs/nfs/write.c
View File

@ -42,7 +42,6 @@
* Local function declarations
*/
static void nfs_redirty_request(struct nfs_page *req);
static const struct rpc_call_ops nfs_write_common_ops;
static const struct rpc_call_ops nfs_commit_ops;
static const struct nfs_pgio_completion_ops nfs_async_write_completion_ops;
static const struct nfs_commit_completion_ops nfs_commit_completion_ops;
@ -1138,7 +1137,7 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc,
} while (nbytes != 0);
nfs_list_remove_request(req);
nfs_list_add_request(req, &hdr->pages);
desc->pg_rpc_callops = &nfs_write_common_ops;
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
@ -1182,7 +1181,7 @@ static int nfs_flush_one(struct nfs_pageio_descriptor *desc,
/* Set up the argument struct */
nfs_write_rpcsetup(data, desc->pg_count, 0, desc->pg_ioflags, &cinfo);
list_add(&data->list, &hdr->rpc_list);
desc->pg_rpc_callops = &nfs_write_common_ops;
desc->pg_rpc_callops = &nfs_pgio_common_ops;
return 0;
}
@ -1272,12 +1271,6 @@ static void nfs_writeback_release_common(struct nfs_pgio_data *data)
}
}
static const struct rpc_call_ops nfs_write_common_ops = {
.rpc_call_prepare = nfs_pgio_prepare,
.rpc_call_done = nfs_pgio_result,
.rpc_release = nfs_pgio_release,
};
/*
* Special version of should_remove_suid() that ignores capabilities.
*/