diff options
author | Anna Schumaker <Anna.Schumaker@netapp.com> | 2014-05-06 17:12:39 +0400 |
---|---|---|
committer | Trond Myklebust <trond.myklebust@primarydata.com> | 2014-05-29 19:11:41 +0400 |
commit | cf485fcd68bc2dd91258e844ba4649404fff3235 (patch) | |
tree | bd96e9d04ca73644770ae95d06c05d1a49fb3c08 /fs | |
parent | c3766276f26090f4459329839cdcc8506dfbced5 (diff) | |
download | linux-cf485fcd68bc2dd91258e844ba4649404fff3235.tar.xz |
NFS: Create a common generic_pg_pgios()
What we have here is two functions that look identical. Let's share
some more code!
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/nfs/internal.h | 2 | ||||
-rw-r--r-- | fs/nfs/pagelist.c | 26 | ||||
-rw-r--r-- | fs/nfs/read.c | 25 | ||||
-rw-r--r-- | fs/nfs/write.c | 26 |
4 files changed, 28 insertions, 51 deletions
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 886273a8916b..29e99aac3673 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -243,7 +243,7 @@ void nfs_pgio_data_release(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); -int nfs_do_multiple_pgios(struct list_head *, const struct rpc_call_ops *, int); +int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *); static inline void nfs_iocounter_init(struct nfs_io_counter *c) { diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c index 2471e0278811..83d4ab46a2e9 100644 --- a/fs/nfs/pagelist.c +++ b/fs/nfs/pagelist.c @@ -493,7 +493,7 @@ out: } EXPORT_SYMBOL_GPL(nfs_initiate_pgio); -int nfs_do_multiple_pgios(struct list_head *head, +static int nfs_do_multiple_pgios(struct list_head *head, const struct rpc_call_ops *call_ops, int how) { @@ -688,6 +688,30 @@ static int nfs_pgio_one(struct nfs_pageio_descriptor *desc, return 0; } +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, + desc->pg_ioflags); + if (atomic_dec_and_test(&hdr->refcnt)) + hdr->completion_ops->completion(hdr); + return ret; +} + int nfs_generic_pgio(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr) { diff --git a/fs/nfs/read.c b/fs/nfs/read.c index b834d458a2b6..ebd1666ee13c 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 d3fa181053ad..31a8b29e4026 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, |