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NFS: Create a common multiple_pgios() function

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Once again, these two functions look identical in the read and write
case.  Time to combine them together!

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 09:12:38 -04:00
committed by Trond Myklebust
parent 1ed26f3300
commit c3766276f2
4 changed files with 25 additions and 60 deletions
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31
fs/nfs/write.c
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@@ -945,35 +945,6 @@ static void nfs_initiate_write(struct nfs_pgio_data *data, struct rpc_message *m
&task_setup_data->rpc_client, msg, data);
}
static int nfs_do_write(struct nfs_pgio_data *data,
const struct rpc_call_ops *call_ops,
int how)
{
struct inode *inode = data->header->inode;
return nfs_initiate_pgio(NFS_CLIENT(inode), data, call_ops, how, 0);
}
static int nfs_do_multiple_writes(struct list_head *head,
const struct rpc_call_ops *call_ops,
int how)
{
struct nfs_pgio_data *data;
int ret = 0;
while (!list_empty(head)) {
int ret2;
data = list_first_entry(head, struct nfs_pgio_data, list);
list_del_init(&data->list);
ret2 = nfs_do_write(data, call_ops, how);
if (ret == 0)
ret = ret2;
}
return ret;
}
/* If a nfs_flush_* function fails, it should remove reqs from @head and
* call this on each, which will prepare them to be retried on next
* writeback using standard nfs.
@@ -1018,7 +989,7 @@ static int nfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
atomic_inc(&hdr->refcnt);
ret = nfs_generic_pgio(desc, hdr);
if (ret == 0)
ret = nfs_do_multiple_writes(&hdr->rpc_list,
ret = nfs_do_multiple_pgios(&hdr->rpc_list,
desc->pg_rpc_callops,
desc->pg_ioflags);
if (atomic_dec_and_test(&hdr->refcnt))