From: Anna Schumaker <Anna.Schumaker@netapp.com>
To: <Trond.Myklebust@primarydata.com>, <linux-nfs@vger.kernel.org>
Cc: <dros@primarydata.com>, <hch@infradead.org>
Subject: [PATCH v2 04/17] NFS: Create a common read and write header struct
Date: Fri, 25 Apr 2014 16:55:47 -0400 [thread overview]
Message-ID: <1398459360-2093-5-git-send-email-Anna.Schumaker@Netapp.com> (raw)
In-Reply-To: <1398459360-2093-1-git-send-email-Anna.Schumaker@Netapp.com>
From: Anna Schumaker <Anna.Schumaker@netapp.com>
The only difference is the write verifier field, so I leave a comment
saying that it's not used for reads.
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
---
fs/nfs/internal.h | 4 ++--
fs/nfs/pnfs.c | 4 ++--
fs/nfs/read.c | 14 +++++++-------
fs/nfs/write.c | 14 +++++++-------
include/linux/nfs_xdr.h | 7 +------
5 files changed, 19 insertions(+), 24 deletions(-)
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index af01b80..b0e7a41 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -395,7 +395,7 @@ extern int nfs4_get_rootfh(struct nfs_server *server, struct nfs_fh *mntfh, bool
struct nfs_pgio_completion_ops;
/* read.c */
-extern struct nfs_read_header *nfs_readhdr_alloc(void);
+extern struct nfs_rw_header *nfs_readhdr_alloc(void);
extern void nfs_readhdr_free(struct nfs_pgio_header *hdr);
extern void nfs_pageio_init_read(struct nfs_pageio_descriptor *pgio,
struct inode *inode, bool force_mds,
@@ -424,7 +424,7 @@ int nfs_remount(struct super_block *sb, int *flags, char *raw_data);
extern void nfs_pageio_init_write(struct nfs_pageio_descriptor *pgio,
struct inode *inode, int ioflags, bool force_mds,
const struct nfs_pgio_completion_ops *compl_ops);
-extern struct nfs_write_header *nfs_writehdr_alloc(void);
+extern struct nfs_rw_header *nfs_writehdr_alloc(void);
extern void nfs_writehdr_free(struct nfs_pgio_header *hdr);
extern int nfs_generic_flush(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr);
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index e9cea3a..43cfe11 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1592,7 +1592,7 @@ EXPORT_SYMBOL_GPL(pnfs_writehdr_free);
int
pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
{
- struct nfs_write_header *whdr;
+ struct nfs_rw_header *whdr;
struct nfs_pgio_header *hdr;
int ret;
@@ -1750,7 +1750,7 @@ EXPORT_SYMBOL_GPL(pnfs_readhdr_free);
int
pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
{
- struct nfs_read_header *rhdr;
+ struct nfs_rw_header *rhdr;
struct nfs_pgio_header *hdr;
int ret;
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 9e426cc..d29ca36 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -34,9 +34,9 @@ static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops;
static struct kmem_cache *nfs_rdata_cachep;
-struct nfs_read_header *nfs_readhdr_alloc(void)
+struct nfs_rw_header *nfs_readhdr_alloc(void)
{
- struct nfs_read_header *rhdr;
+ struct nfs_rw_header *rhdr;
rhdr = kmem_cache_zalloc(nfs_rdata_cachep, GFP_KERNEL);
if (rhdr) {
@@ -56,7 +56,7 @@ static struct nfs_pgio_data *nfs_readdata_alloc(struct nfs_pgio_header *hdr,
{
struct nfs_pgio_data *data, *prealloc;
- prealloc = &container_of(hdr, struct nfs_read_header, header)->rpc_data;
+ prealloc = &container_of(hdr, struct nfs_rw_header, header)->rpc_data;
if (prealloc->header == NULL)
data = prealloc;
else
@@ -78,7 +78,7 @@ out:
void nfs_readhdr_free(struct nfs_pgio_header *hdr)
{
- struct nfs_read_header *rhdr = container_of(hdr, struct nfs_read_header, header);
+ struct nfs_rw_header *rhdr = container_of(hdr, struct nfs_rw_header, header);
kmem_cache_free(nfs_rdata_cachep, rhdr);
}
@@ -87,7 +87,7 @@ EXPORT_SYMBOL_GPL(nfs_readhdr_free);
void nfs_readdata_release(struct nfs_pgio_data *rdata)
{
struct nfs_pgio_header *hdr = rdata->header;
- struct nfs_read_header *read_header = container_of(hdr, struct nfs_read_header, header);
+ struct nfs_rw_header *read_header = container_of(hdr, struct nfs_rw_header, header);
put_nfs_open_context(rdata->args.context);
if (rdata->pages.pagevec != rdata->pages.page_array)
@@ -417,7 +417,7 @@ EXPORT_SYMBOL_GPL(nfs_generic_pagein);
static int nfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
{
- struct nfs_read_header *rhdr;
+ struct nfs_rw_header *rhdr;
struct nfs_pgio_header *hdr;
int ret;
@@ -680,7 +680,7 @@ out:
int __init nfs_init_readpagecache(void)
{
nfs_rdata_cachep = kmem_cache_create("nfs_read_data",
- sizeof(struct nfs_read_header),
+ sizeof(struct nfs_rw_header),
0, SLAB_HWCACHE_ALIGN,
NULL);
if (nfs_rdata_cachep == NULL)
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 3a2fc5c..37c4c98 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -70,9 +70,9 @@ void nfs_commit_free(struct nfs_commit_data *p)
}
EXPORT_SYMBOL_GPL(nfs_commit_free);
-struct nfs_write_header *nfs_writehdr_alloc(void)
+struct nfs_rw_header *nfs_writehdr_alloc(void)
{
- struct nfs_write_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO);
+ struct nfs_rw_header *p = mempool_alloc(nfs_wdata_mempool, GFP_NOIO);
if (p) {
struct nfs_pgio_header *hdr = &p->header;
@@ -93,7 +93,7 @@ static struct nfs_pgio_data *nfs_writedata_alloc(struct nfs_pgio_header *hdr,
{
struct nfs_pgio_data *data, *prealloc;
- prealloc = &container_of(hdr, struct nfs_write_header, header)->rpc_data;
+ prealloc = &container_of(hdr, struct nfs_rw_header, header)->rpc_data;
if (prealloc->header == NULL)
data = prealloc;
else
@@ -115,7 +115,7 @@ out:
void nfs_writehdr_free(struct nfs_pgio_header *hdr)
{
- struct nfs_write_header *whdr = container_of(hdr, struct nfs_write_header, header);
+ struct nfs_rw_header *whdr = container_of(hdr, struct nfs_rw_header, header);
mempool_free(whdr, nfs_wdata_mempool);
}
EXPORT_SYMBOL_GPL(nfs_writehdr_free);
@@ -123,7 +123,7 @@ EXPORT_SYMBOL_GPL(nfs_writehdr_free);
void nfs_writedata_release(struct nfs_pgio_data *wdata)
{
struct nfs_pgio_header *hdr = wdata->header;
- struct nfs_write_header *write_header = container_of(hdr, struct nfs_write_header, header);
+ struct nfs_rw_header *write_header = container_of(hdr, struct nfs_rw_header, header);
put_nfs_open_context(wdata->args.context);
if (wdata->pages.pagevec != wdata->pages.page_array)
@@ -1253,7 +1253,7 @@ EXPORT_SYMBOL_GPL(nfs_generic_flush);
static int nfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
{
- struct nfs_write_header *whdr;
+ struct nfs_rw_header *whdr;
struct nfs_pgio_header *hdr;
int ret;
@@ -1910,7 +1910,7 @@ 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_write_header),
+ sizeof(struct nfs_rw_header),
0, SLAB_HWCACHE_ALIGN,
NULL);
if (nfs_wdata_cachep == NULL)
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 64f6f14..2d34e0d 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1294,12 +1294,7 @@ struct nfs_pgio_data {
struct nfs_client *ds_clp; /* pNFS data server */
};
-struct nfs_read_header {
- struct nfs_pgio_header header;
- struct nfs_pgio_data rpc_data;
-};
-
-struct nfs_write_header {
+struct nfs_rw_header {
struct nfs_pgio_header header;
struct nfs_pgio_data rpc_data;
struct nfs_writeverf verf;
--
1.9.2
next prev parent reply other threads:[~2014-04-25 20:56 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-25 20:55 [PATCH v2 00/17] NFS: Create a common path used by reads and writes Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 01/17] NFS: Create a common argument structure for " Anna Schumaker
2014-05-02 13:20 ` Jeff Layton
2014-04-25 20:55 ` [PATCH v2 02/17] NFS: Create a common results " Anna Schumaker
2014-05-02 13:22 ` Jeff Layton
2014-04-25 20:55 ` [PATCH v2 03/17] NFS: Create a common read and write data struct Anna Schumaker
2014-05-02 18:59 ` Jeff Layton
2014-04-25 20:55 ` Anna Schumaker [this message]
2014-05-02 18:59 ` [PATCH v2 04/17] NFS: Create a common read and write header struct Jeff Layton
2014-05-02 19:03 ` Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 05/17] NFS: Move the write verifier into the nfs_pgio_header Anna Schumaker
2014-05-02 19:01 ` Jeff Layton
2014-04-25 20:55 ` [PATCH v2 06/17] NFS: Create a common pgio_alloc and pgio_release function Anna Schumaker
2014-05-02 19:06 ` Jeff Layton
2014-04-25 20:55 ` [PATCH v2 07/17] NFS: Create a common rw_header_alloc and rw_header_free function Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 08/17] NFS: Create a common pgio_rpc_prepare function Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 09/17] NFS: Create a common nfs_pgio_result_common function Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 10/17] NFS: Create a common rpc_call_ops struct Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 11/17] NFS: Create a common rpcsetup function for reads and writes Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 12/17] NFS: Create a common pgio_error function Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 13/17] NFS: Create a generic_pgio function Anna Schumaker
2014-04-30 16:13 ` Weston Andros Adamson
2014-04-30 16:22 ` Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 14/17] NFS: Create a common initiate_pgio() function Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 15/17] NFS: Create a common multiple_pgios() function Anna Schumaker
2014-04-25 20:55 ` [PATCH v2 16/17] NFS: Create a common generic_pg_pgios() Anna Schumaker
2014-04-25 20:56 ` [PATCH v2 17/17] NFS: Create a common nfs_pageio_ops struct Anna Schumaker
2014-04-30 16:09 ` [PATCH v2 00/17] NFS: Create a common path used by reads and writes Weston Andros Adamson
2014-04-30 16:21 ` Anna Schumaker
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