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NFS: Remove unused fields in the page I/O structures

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Remove the 'layout_private' fields that were only used by the pNFS OSD
layout driver.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2017-06-20 19:35:36 -04:00 committed by Anna Schumaker
parent 92ea011f7c
commit b5973a8c1c
3 changed files with 0 additions and 4 deletions
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2
fs/nfs/pagelist.c
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@ -51,7 +51,6 @@ void nfs_pgheader_init(struct nfs_pageio_descriptor *desc,
hdr->io_start = req_offset(hdr->req);
hdr->good_bytes = mirror->pg_count;
hdr->dreq = desc->pg_dreq;
hdr->layout_private = desc->pg_layout_private;
hdr->release = release;
hdr->completion_ops = desc->pg_completion_ops;
if (hdr->completion_ops->init_hdr)
@ -711,7 +710,6 @@ void nfs_pageio_init(struct nfs_pageio_descriptor *desc,
desc->pg_error = 0;
desc->pg_lseg = NULL;
desc->pg_dreq = NULL;
desc->pg_layout_private = NULL;
desc->pg_bsize = bsize;
desc->pg_mirror_count = 1;

1
include/linux/nfs_page.h
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@ -94,7 +94,6 @@ struct nfs_pageio_descriptor {
const struct nfs_pgio_completion_ops *pg_completion_ops;
struct pnfs_layout_segment *pg_lseg;
struct nfs_direct_req *pg_dreq;
void *pg_layout_private;
unsigned int pg_bsize; /* default bsize for mirrors */
u32 pg_mirror_count;

1
include/linux/nfs_xdr.h
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@ -1436,7 +1436,6 @@ struct nfs_pgio_header {
const struct nfs_pgio_completion_ops *completion_ops;
const struct nfs_rw_ops *rw_ops;
struct nfs_direct_req *dreq;
void *layout_private;
spinlock_t lock;
/* fields protected by lock */
int pnfs_error;