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nfs: allow to specify cred in nfs_initiate_pgio 

so that flexfile layout client can pass in DS credential instead of
using user cred, which will be done in the next patch.

Signed-off-by: Peng Tao <tao.peng@primarydata.com>
Signed-off-by: Tom Haynes <Thomas.Haynes@primarydata.com>
This commit is contained in:
Peng Tao 2014-06-13 23:02:25 +08:00 committed by Tom Haynes
parent 2c4b131dea
commit 46a5ab4754
3 changed files with 14 additions and 11 deletions
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11
fs/nfs/filelayout/filelayout.c
View File

@ -501,8 +501,9 @@ filelayout_read_pagelist(struct nfs_pgio_header *hdr)
hdr->mds_offset = offset;
/* Perform an asynchronous read to ds */
nfs_initiate_pgio(ds_clnt, hdr, NFS_PROTO(hdr->inode),
&filelayout_read_call_ops, 0, RPC_TASK_SOFTCONN);
nfs_initiate_pgio(ds_clnt, hdr, hdr->cred,
NFS_PROTO(hdr->inode), &filelayout_read_call_ops,
0, RPC_TASK_SOFTCONN);
return PNFS_ATTEMPTED;
}
@ -542,9 +543,9 @@ filelayout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
hdr->args.offset = filelayout_get_dserver_offset(lseg, offset);
/* Perform an asynchronous write */
nfs_initiate_pgio(ds_clnt, hdr, NFS_PROTO(hdr->inode),
&filelayout_write_call_ops, sync,
RPC_TASK_SOFTCONN);
nfs_initiate_pgio(ds_clnt, hdr, hdr->cred,
NFS_PROTO(hdr->inode), &filelayout_write_call_ops,
sync, RPC_TASK_SOFTCONN);
return PNFS_ATTEMPTED;
}

6
fs/nfs/internal.h
View File

@ -250,9 +250,9 @@ struct nfs_pgio_header *nfs_pgio_header_alloc(const struct nfs_rw_ops *);
void nfs_pgio_header_free(struct nfs_pgio_header *);
void nfs_pgio_data_destroy(struct nfs_pgio_header *);
int nfs_generic_pgio(struct nfs_pageio_descriptor *, struct nfs_pgio_header *);
int nfs_initiate_pgio(struct rpc_clnt *, struct nfs_pgio_header *,
const struct nfs_rpc_ops *,
const struct rpc_call_ops *, int, int);
int nfs_initiate_pgio(struct rpc_clnt *clnt, struct nfs_pgio_header *hdr,
struct rpc_cred *cred, const struct nfs_rpc_ops *rpc_ops,
const struct rpc_call_ops *call_ops, int how, int flags);
void nfs_free_request(struct nfs_page *req);
static inline void nfs_iocounter_init(struct nfs_io_counter *c)

8
fs/nfs/pagelist.c
View File

@ -597,14 +597,14 @@ static void nfs_pgio_prepare(struct rpc_task *task, void *calldata)
}
int nfs_initiate_pgio(struct rpc_clnt *clnt, struct nfs_pgio_header *hdr,
const struct nfs_rpc_ops *rpc_ops,
struct rpc_cred *cred, const struct nfs_rpc_ops *rpc_ops,
const struct rpc_call_ops *call_ops, int how, int flags)
{
struct rpc_task *task;
struct rpc_message msg = {
.rpc_argp = &hdr->args,
.rpc_resp = &hdr->res,
.rpc_cred = hdr->cred,
.rpc_cred = cred,
};
struct rpc_task_setup task_setup_data = {
.rpc_client = clnt,
@ -793,7 +793,9 @@ static int nfs_generic_pg_pgios(struct nfs_pageio_descriptor *desc)
ret = nfs_generic_pgio(desc, hdr);
if (ret == 0)
ret = nfs_initiate_pgio(NFS_CLIENT(hdr->inode),
hdr, NFS_PROTO(hdr->inode),
hdr,
hdr->cred,
NFS_PROTO(hdr->inode),
desc->pg_rpc_callops,
desc->pg_ioflags, 0);
return ret;