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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-02-28 10:44:15 -0500
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-03-01 22:37:38 -0500
commit626d48b12cde3ae9740e1da16fc9c1d6d7bbed14 (patch)
tree93e99d50e40c4982dbbeb7383ca5b7c8a00bd006 /fs/nfs
parent312cd4cb126a7936ad25306d14209fa6fd00f30a (diff)
NFS/flexfile: Simplify nfs4_ff_layout_ds_version()
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.h4
2 files changed, 5 insertions, 5 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c
index 24a7d74743ff..650df8d109a1 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.c
+++ b/fs/nfs/flexfilelayout/flexfilelayout.c
@@ -1787,7 +1787,7 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
if (!ds_cred)
goto out_failed;
- vers = nfs4_ff_layout_ds_version(lseg, idx);
+ vers = nfs4_ff_layout_ds_version(mirror);
dprintk("%s USE DS: %s cl_count %d vers %d\n", __func__,
ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers);
@@ -1852,7 +1852,7 @@ ff_layout_write_pagelist(struct nfs_pgio_header *hdr, int sync)
if (!ds_cred)
goto out_failed;
- vers = nfs4_ff_layout_ds_version(lseg, idx);
+ vers = nfs4_ff_layout_ds_version(mirror);
dprintk("%s ino %lu sync %d req %zu@%llu DS: %s cl_count %d vers %d\n",
__func__, hdr->inode->i_ino, sync, (size_t) hdr->args.count,
@@ -1937,7 +1937,7 @@ static int ff_layout_initiate_commit(struct nfs_commit_data *data, int how)
if (!ds_cred)
goto out_err;
- vers = nfs4_ff_layout_ds_version(lseg, idx);
+ vers = nfs4_ff_layout_ds_version(mirror);
dprintk("%s ino %lu, how %d cl_count %d vers %d\n", __func__,
data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count),
diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index e0b2c3deae5a..99cfe2e8f32a 100644
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -181,9 +181,9 @@ ff_layout_no_read_on_rw(struct pnfs_layout_segment *lseg)
}
static inline int
-nfs4_ff_layout_ds_version(struct pnfs_layout_segment *lseg, u32 ds_idx)
+nfs4_ff_layout_ds_version(const struct nfs4_ff_layout_mirror *mirror)
{
- return FF_LAYOUT_COMP(lseg, ds_idx)->mirror_ds->ds_versions[0].version;
+ return mirror->mirror_ds->ds_versions[0].version;
}
struct nfs4_ff_layout_ds *