[PATCH 3.16 161/357] nfs: rename members of nfs_pgio_data

From: Greg Kroah-Hartman
Date: Fri Oct 03 2014 - 20:27:53 EST


3.16-stable review patch. If anyone has any objections, please let me know.

------------------


From: Weston Andros Adamson <dros@xxxxxxxxxxxxxxx>

commit 823b0c9d9800e712374cda89ac3565bd29f6701b upstream.

Rename "verf" to "writeverf" and "pages" to "page_array" to prepare for
merge of nfs_pgio_data and nfs_pgio_header.

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Weston Andros Adamson <dros@xxxxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/nfs/blocklayout/blocklayout.c | 17 ++++++++++-------
fs/nfs/objlayout/objlayout.c | 4 ++--
fs/nfs/pagelist.c | 12 ++++++------
fs/nfs/write.c | 9 +++++----
include/linux/nfs_xdr.h | 4 ++--
5 files changed, 25 insertions(+), 21 deletions(-)

--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -258,7 +258,8 @@ bl_read_pagelist(struct nfs_pgio_data *r
const bool is_dio = (header->dreq != NULL);

dprintk("%s enter nr_pages %u offset %lld count %u\n", __func__,
- rdata->pages.npages, f_offset, (unsigned int)rdata->args.count);
+ rdata->page_array.npages, f_offset,
+ (unsigned int)rdata->args.count);

par = alloc_parallel(rdata);
if (!par)
@@ -268,7 +269,7 @@ bl_read_pagelist(struct nfs_pgio_data *r

isect = (sector_t) (f_offset >> SECTOR_SHIFT);
/* Code assumes extents are page-aligned */
- for (i = pg_index; i < rdata->pages.npages; i++) {
+ for (i = pg_index; i < rdata->page_array.npages; i++) {
if (!extent_length) {
/* We've used up the previous extent */
bl_put_extent(be);
@@ -317,7 +318,8 @@ bl_read_pagelist(struct nfs_pgio_data *r
struct pnfs_block_extent *be_read;

be_read = (hole && cow_read) ? cow_read : be;
- bio = do_add_page_to_bio(bio, rdata->pages.npages - i,
+ bio = do_add_page_to_bio(bio,
+ rdata->page_array.npages - i,
READ,
isect, pages[i], be_read,
bl_end_io_read, par,
@@ -446,7 +448,7 @@ static void bl_end_par_io_write(void *da
}

wdata->task.tk_status = wdata->header->pnfs_error;
- wdata->verf.committed = NFS_FILE_SYNC;
+ wdata->writeverf.committed = NFS_FILE_SYNC;
INIT_WORK(&wdata->task.u.tk_work, bl_write_cleanup);
schedule_work(&wdata->task.u.tk_work);
}
@@ -699,7 +701,7 @@ bl_write_pagelist(struct nfs_pgio_data *
dprintk("pnfsblock nonblock aligned DIO writes. Resend MDS\n");
goto out_mds;
}
- /* At this point, wdata->pages is a (sequential) list of nfs_pages.
+ /* At this point, wdata->page_aray is a (sequential) list of nfs_pages.
* We want to write each, and if there is an error set pnfs_error
* to have it redone using nfs.
*/
@@ -791,7 +793,7 @@ next_page:

/* Middle pages */
pg_index = wdata->args.pgbase >> PAGE_CACHE_SHIFT;
- for (i = pg_index; i < wdata->pages.npages; i++) {
+ for (i = pg_index; i < wdata->page_array.npages; i++) {
if (!extent_length) {
/* We've used up the previous extent */
bl_put_extent(be);
@@ -862,7 +864,8 @@ next_page:
}


- bio = do_add_page_to_bio(bio, wdata->pages.npages - i, WRITE,
+ bio = do_add_page_to_bio(bio, wdata->page_array.npages - i,
+ WRITE,
isect, pages[i], be,
bl_end_io_write, par,
pg_offset, pg_len);
--- a/fs/nfs/objlayout/objlayout.c
+++ b/fs/nfs/objlayout/objlayout.c
@@ -329,7 +329,7 @@ objlayout_write_done(struct objlayout_io
oir->status = wdata->task.tk_status = status;
if (status >= 0) {
wdata->res.count = status;
- wdata->verf.committed = oir->committed;
+ wdata->writeverf.committed = oir->committed;
} else {
wdata->header->pnfs_error = status;
}
@@ -337,7 +337,7 @@ objlayout_write_done(struct objlayout_io
/* must not use oir after this point */

dprintk("%s: Return status %zd committed %d sync=%d\n", __func__,
- status, wdata->verf.committed, sync);
+ status, wdata->writeverf.committed, sync);

if (sync)
pnfs_ld_write_done(wdata);
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -494,7 +494,7 @@ EXPORT_SYMBOL_GPL(nfs_pgio_header_free);
static bool nfs_pgio_data_init(struct nfs_pgio_header *hdr,
unsigned int pagecount)
{
- if (nfs_pgarray_set(&hdr->data.pages, pagecount)) {
+ if (nfs_pgarray_set(&hdr->data.page_array, pagecount)) {
hdr->data.header = hdr;
atomic_inc(&hdr->refcnt);
return true;
@@ -511,8 +511,8 @@ void nfs_pgio_data_destroy(struct nfs_pg
struct nfs_pgio_header *hdr = data->header;

put_nfs_open_context(data->args.context);
- if (data->pages.pagevec != data->pages.page_array)
- kfree(data->pages.pagevec);
+ if (data->page_array.pagevec != data->page_array.page_array)
+ kfree(data->page_array.pagevec);
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
}
@@ -540,7 +540,7 @@ static void nfs_pgio_rpcsetup(struct nfs
/* pnfs_set_layoutcommit needs this */
data->mds_offset = data->args.offset;
data->args.pgbase = req->wb_pgbase + offset;
- data->args.pages = data->pages.pagevec;
+ data->args.pages = data->page_array.pagevec;
data->args.count = count;
data->args.context = get_nfs_open_context(req->wb_context);
data->args.lock_context = req->wb_lock_context;
@@ -558,7 +558,7 @@ static void nfs_pgio_rpcsetup(struct nfs
data->res.fattr = &data->fattr;
data->res.count = count;
data->res.eof = 0;
- data->res.verf = &data->verf;
+ data->res.verf = &data->writeverf;
nfs_fattr_init(&data->fattr);
}

@@ -727,7 +727,7 @@ int nfs_generic_pgio(struct nfs_pageio_d

data = &hdr->data;
nfs_init_cinfo(&cinfo, desc->pg_inode, desc->pg_dreq);
- pages = data->pages.pagevec;
+ pages = data->page_array.pagevec;
while (!list_empty(head)) {
req = nfs_list_entry(head->next);
nfs_list_remove_request(req);
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -828,9 +828,9 @@ nfs_clear_request_commit(struct nfs_page
static inline
int nfs_write_need_commit(struct nfs_pgio_data *data)
{
- if (data->verf.committed == NFS_DATA_SYNC)
+ if (data->writeverf.committed == NFS_DATA_SYNC)
return data->header->lseg == NULL;
- return data->verf.committed != NFS_FILE_SYNC;
+ return data->writeverf.committed != NFS_FILE_SYNC;
}

#else
@@ -1323,8 +1323,9 @@ static void nfs_writeback_release_common
if (test_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags))
; /* Do nothing */
else if (!test_and_set_bit(NFS_IOHDR_NEED_COMMIT, &hdr->flags))
- memcpy(&hdr->verf, &data->verf, sizeof(hdr->verf));
- else if (memcmp(&hdr->verf, &data->verf, sizeof(hdr->verf)))
+ memcpy(&hdr->verf, &data->writeverf, sizeof(hdr->verf));
+ else if (memcmp(&hdr->verf, &data->writeverf,
+ sizeof(hdr->verf)))
set_bit(NFS_IOHDR_NEED_RESCHED, &hdr->flags);
spin_unlock(&hdr->lock);
}
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1262,13 +1262,13 @@ struct nfs_pgio_data {
struct list_head list;
struct rpc_task task;
struct nfs_fattr fattr;
- struct nfs_writeverf verf; /* Used for writes */
+ struct nfs_writeverf writeverf; /* Used for writes */
struct nfs_pgio_args args; /* argument struct */
struct nfs_pgio_res res; /* result struct */
unsigned long timestamp; /* For lease renewal */
int (*pgio_done_cb)(struct rpc_task *task, struct nfs_pgio_data *data);
__u64 mds_offset; /* Filelayout dense stripe */
- struct nfs_page_array pages;
+ struct nfs_page_array page_array;
struct nfs_client *ds_clp; /* pNFS data server */
int ds_idx; /* ds index if ds_clp is set */
};


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