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Diffstat (limited to 'fs/nfs/pnfs.c')
-rw-r--r--fs/nfs/pnfs.c41
1 files changed, 15 insertions, 26 deletions
diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c
index 354c53cd4095..6ef108b1d85f 100644
--- a/fs/nfs/pnfs.c
+++ b/fs/nfs/pnfs.c
@@ -1573,23 +1573,18 @@ pnfs_try_to_write_data(struct nfs_pgio_data *wdata,
}
static void
-pnfs_do_multiple_writes(struct nfs_pageio_descriptor *desc, struct list_head *head, int how)
+pnfs_do_write(struct nfs_pageio_descriptor *desc,
+ struct nfs_pgio_header *hdr, int how)
{
- struct nfs_pgio_data *data;
+ struct nfs_pgio_data *data = hdr->data;
const struct rpc_call_ops *call_ops = desc->pg_rpc_callops;
struct pnfs_layout_segment *lseg = desc->pg_lseg;
+ enum pnfs_try_status trypnfs;
desc->pg_lseg = NULL;
- while (!list_empty(head)) {
- enum pnfs_try_status trypnfs;
-
- data = list_first_entry(head, struct nfs_pgio_data, list);
- list_del_init(&data->list);
-
- trypnfs = pnfs_try_to_write_data(data, call_ops, lseg, how);
- if (trypnfs == PNFS_NOT_ATTEMPTED)
- pnfs_write_through_mds(desc, data);
- }
+ trypnfs = pnfs_try_to_write_data(data, call_ops, lseg, how);
+ if (trypnfs == PNFS_NOT_ATTEMPTED)
+ pnfs_write_through_mds(desc, data);
pnfs_put_lseg(lseg);
}
@@ -1623,7 +1618,7 @@ pnfs_generic_pg_writepages(struct nfs_pageio_descriptor *desc)
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
} else
- pnfs_do_multiple_writes(desc, &hdr->rpc_list, desc->pg_ioflags);
+ pnfs_do_write(desc, hdr, desc->pg_ioflags);
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
return ret;
@@ -1731,23 +1726,17 @@ pnfs_try_to_read_data(struct nfs_pgio_data *rdata,
}
static void
-pnfs_do_multiple_reads(struct nfs_pageio_descriptor *desc, struct list_head *head)
+pnfs_do_read(struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr)
{
- struct nfs_pgio_data *data;
+ struct nfs_pgio_data *data = hdr->data;
const struct rpc_call_ops *call_ops = desc->pg_rpc_callops;
struct pnfs_layout_segment *lseg = desc->pg_lseg;
+ enum pnfs_try_status trypnfs;
desc->pg_lseg = NULL;
- while (!list_empty(head)) {
- enum pnfs_try_status trypnfs;
-
- data = list_first_entry(head, struct nfs_pgio_data, list);
- list_del_init(&data->list);
-
- trypnfs = pnfs_try_to_read_data(data, call_ops, lseg);
- if (trypnfs == PNFS_NOT_ATTEMPTED)
- pnfs_read_through_mds(desc, data);
- }
+ trypnfs = pnfs_try_to_read_data(data, call_ops, lseg);
+ if (trypnfs == PNFS_NOT_ATTEMPTED)
+ pnfs_read_through_mds(desc, data);
pnfs_put_lseg(lseg);
}
@@ -1782,7 +1771,7 @@ pnfs_generic_pg_readpages(struct nfs_pageio_descriptor *desc)
pnfs_put_lseg(desc->pg_lseg);
desc->pg_lseg = NULL;
} else
- pnfs_do_multiple_reads(desc, &hdr->rpc_list);
+ pnfs_do_read(desc, hdr);
if (atomic_dec_and_test(&hdr->refcnt))
hdr->completion_ops->completion(hdr);
return ret;