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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-28 10:38:41 -0500
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-03-01 22:37:38 -0500
commit561d6f8aaffcc9d346e452361a6d80cb8461799d (patch)
treeb4c2cb0af15b5957a96b11f829ca7bfc7701402e /fs/nfs
parent749da527b3e7bff92cc76b907bc222ef2df6fcdc (diff)
downloadlinux-stericsson-561d6f8aaffcc9d346e452361a6d80cb8461799d.tar.gz
NFS/flexfiles: Simplify nfs4_ff_find_or_create_ds_client()
Pass in a pointer to the mirror rather than forcing another array access. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.c6
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayout.h3
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayoutdev.c7
3 files changed, 6 insertions, 10 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index f57cb38bd286..88b9190b761b 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1778,7 +1778,7 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
if (!ds)
goto out_failed;
- ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,
+ ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp,
hdr->inode);
if (IS_ERR(ds_clnt))
goto out_failed;
@@ -1843,7 +1843,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
if (!ds)
goto out_failed;
- ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,
+ ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp,
hdr->inode);
if (IS_ERR(ds_clnt))
goto out_failed;
@@ -1928,7 +1928,7 @@ static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how)
if (!ds)
goto out_err;
- ds_clnt = nfs4_ff_find_or_create_ds_client(lseg, idx, ds->ds_clp,
+ ds_clnt = nfs4_ff_find_or_create_ds_client(mirror, ds->ds_clp,
data->inode);
if (IS_ERR(ds_clnt))
goto out_err;
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index 935cba942834..2bda4baa655a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -215,8 +215,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg,
bool fail_return);
struct rpc_clnt *
-nfs4_ff_find_or_create_ds_client(struct pnfs_layout_segment *lseg,
- u32 ds_idx,
+nfs4_ff_find_or_create_ds_client(struct nfs4_ff_layout_mirror *mirror,
struct nfs_client *ds_clp,
struct inode *inode);
const struct cred *ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg,
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 3a2419313fe9..1fe66745f452 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -464,8 +464,7 @@ ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg, u32 ds_idx,
/**
* nfs4_ff_find_or_create_ds_client - Find or create a DS rpc client
- * @lseg: pointer to layout segment
- * @ds_idx: mirror index
+ * @mirror: pointer to the mirror
* @ds_clp: nfs_client for the DS
* @inode: pointer to inode
*
@@ -473,11 +472,9 @@ ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg, u32 ds_idx,
* in the nfs_client cl_ds_clients list.
*/
struct rpc_clnt *
-nfs4_ff_find_or_create_ds_client(struct pnfs_layout_segment *lseg, u32 ds_idx,
+nfs4_ff_find_or_create_ds_client(struct nfs4_ff_layout_mirror *mirror,
struct nfs_client *ds_clp, struct inode *inode)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx);
-
switch (mirror->mirror_ds->ds_versions[0].version) {
case 3:
/* For NFSv3 DS, flavor is set when creating DS connections */