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NFS: Create a common pgio_error function

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At this point, the read and write versions of this function look
identical so both should use the same function.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Anna Schumaker
2014-05-06 09:12:35 -04:00
committed by Trond Myklebust
parent ce59515c14
commit 844c9e691d
4 changed files with 29 additions and 42 deletions
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25
fs/nfs/read.c
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@@ -237,19 +237,6 @@ static const struct nfs_pgio_completion_ops nfs_async_read_completion_ops = {
.completion = nfs_read_completion,
};
static void nfs_pagein_error(struct nfs_pageio_descriptor *desc,
struct nfs_pgio_header *hdr)
{
set_bit(NFS_IOHDR_REDO, &hdr->flags);
while (!list_empty(&hdr->rpc_list)) {
struct nfs_pgio_data *data = list_first_entry(&hdr->rpc_list,
struct nfs_pgio_data, list);
list_del(&data->list);
nfs_pgio_data_release(data);
}
desc->pg_completion_ops->error_cleanup(&desc->pg_list);
}
/*
* Generate multiple requests to fill a single page.
*
@@ -278,10 +265,8 @@ static int nfs_pagein_multi(struct nfs_pageio_descriptor *desc,
size_t len = min(nbytes,rsize);
data = nfs_pgio_data_alloc(hdr, 1);
if (!data) {
nfs_pagein_error(desc, hdr);
return -ENOMEM;
}
if (!data)
return nfs_pgio_error(desc, hdr);
data->pages.pagevec[0] = page;
nfs_pgio_rpcsetup(data, len, offset, 0, NULL);
list_add(&data->list, &hdr->rpc_list);
@@ -305,10 +290,8 @@ static int nfs_pagein_one(struct nfs_pageio_descriptor *desc,
data = nfs_pgio_data_alloc(hdr, nfs_page_array_len(desc->pg_base,
desc->pg_count));
if (!data) {
nfs_pagein_error(desc, hdr);
return -ENOMEM;
}
if (!data)
return nfs_pgio_error(desc, hdr);
pages = data->pages.pagevec;
while (!list_empty(head)) {