From 6f92fa4581f1c26562f80dc686b3c9ea76556911 Mon Sep 17 00:00:00 2001 From: Anna Schumaker Date: Tue, 6 May 2014 09:12:33 -0400 Subject: [PATCH] NFS: Create a common rpc_call_ops struct 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 Signed-off-by: Trond Myklebust --- fs/nfs/internal.h | 4 +--- fs/nfs/pagelist.c | 11 ++++++++--- fs/nfs/read.c | 11 ++--------- fs/nfs/write.c | 11 ++--------- 4 files changed, 13 insertions(+), 24 deletions(-) diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 7c0ae364bdad..e34220f10165 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -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) { diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index f74df87058b6..aabff78dc6e5 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -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, +}; diff --git a/fs/nfs/read.c b/fs/nfs/read.c index bc78bd248eb8..a33490c0899f 100644 --- a/fs/nfs/read.c +++ b/fs/nfs/read.c @@ -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: diff --git a/fs/nfs/write.c b/fs/nfs/write.c index 1d3e1d75c8c5..d877f15fb31a 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -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. */ -- 2.34.1