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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-28 10:41:57 -0500
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-03-01 22:37:38 -0500
commit312cd4cb126a7936ad25306d14209fa6fd00f30a (patch)
tree59214d097db2ebd5a3ac68dfcb6de730b40bf5ff /fs/nfs
parent561d6f8aaffcc9d346e452361a6d80cb8461799d (diff)
downloadlinux-stericsson-312cd4cb126a7936ad25306d14209fa6fd00f30a.tar.gz
NFS/flexfiles: Simplify ff_layout_get_ds_cred()
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.h5
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayoutdev.c6
3 files changed, 9 insertions, 8 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 88b9190b761b..24a7d74743ff 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1783,7 +1783,7 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
if (IS_ERR(ds_clnt))
goto out_failed;
- ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred);
+ ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred);
if (!ds_cred)
goto out_failed;
@@ -1848,7 +1848,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
if (IS_ERR(ds_clnt))
goto out_failed;
- ds_cred = ff_layout_get_ds_cred(lseg, idx, hdr->cred);
+ ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, hdr->cred);
if (!ds_cred)
goto out_failed;
@@ -1933,7 +1933,7 @@ static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how)
if (IS_ERR(ds_clnt))
goto out_err;
- ds_cred = ff_layout_get_ds_cred(lseg, idx, data->cred);
+ ds_cred = ff_layout_get_ds_cred(mirror, &lseg->pls_range, data->cred);
if (!ds_cred)
goto out_err;
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index 2bda4baa655a..e0b2c3deae5a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -218,8 +218,9 @@ struct rpc_clnt *
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,
- u32 ds_idx, const struct cred *mdscred);
+const struct cred *ff_layout_get_ds_cred(struct nfs4_ff_layout_mirror *mirror,
+ const struct pnfs_layout_range *range,
+ const struct cred *mdscred);
bool ff_layout_avoid_mds_available_ds(struct pnfs_layout_segment *lseg);
bool ff_layout_avoid_read_on_rw(struct pnfs_layout_segment *lseg);
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 1fe66745f452..1673935074cc 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -446,14 +446,14 @@ out:
}
const struct cred *
-ff_layout_get_ds_cred(struct pnfs_layout_segment *lseg, u32 ds_idx,
+ff_layout_get_ds_cred(struct nfs4_ff_layout_mirror *mirror,
+ const struct pnfs_layout_range *range,
const struct cred *mdscred)
{
- struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, ds_idx);
const struct cred *cred;
if (mirror && !mirror->mirror_ds->ds_versions[0].tightly_coupled) {
- cred = ff_layout_get_mirror_cred(mirror, lseg->pls_range.iomode);
+ cred = ff_layout_get_mirror_cred(mirror, range->iomode);
if (!cred)
cred = get_cred(mdscred);
} else {