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NFS/flexfile: Simplify nfs4_ff_layout_ds_version()

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Pass in a pointer to the mirror rather than forcing another
array access.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
This commit is contained in:
Trond Myklebust 2019-02-28 10:44:15 -05:00
parent 312cd4cb12
commit 626d48b12c
2 changed files with 5 additions and 5 deletions
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6
fs/nfs/flexfilelayout/flexfilelayout.c
View file

@ -1787,7 +1787,7 @@ ff_layout_read_pagelist(struct nfs_pgio_header *hdr)
if (!ds_cred) if (!ds_cred)
goto out_failed; 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__, dprintk("%s USE DS: %s cl_count %d vers %d\n", __func__,
ds->ds_remotestr, refcount_read(&ds->ds_clp->cl_count), vers); 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) if (!ds_cred)
goto out_failed; 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", 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, __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) if (!ds_cred)
goto out_err; 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__, 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), data->inode->i_ino, how, refcount_read(&ds->ds_clp->cl_count),

4
fs/nfs/flexfilelayout/flexfilelayout.h
View file

@ -181,9 +181,9 @@ ff_layout_no_read_on_rw(struct pnfs_layout_segment *lseg)
} }
static inline int 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 * struct nfs4_ff_layout_ds *