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-rw-r--r--fs/nfs/read.c33
1 files changed, 30 insertions, 3 deletions
diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 4ace3c5..96c4ebf 100644
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -22,6 +22,7 @@
#include <asm/system.h>
+#include "nfs4_fs.h"
#include "internal.h"
#include "iostat.h"
#include "fscache.h"
@@ -46,6 +47,7 @@ struct nfs_read_data *nfs_readdata_alloc(unsigned int pagecount)
memset(p, 0, sizeof(*p));
INIT_LIST_HEAD(&p->pages);
p->npages = pagecount;
+ p->res.seq_res.sr_slotid = NFS4_MAX_SLOT_TABLE;
if (pagecount <= ARRAY_SIZE(p->page_array))
p->pagevec = p->page_array;
else {
@@ -357,19 +359,25 @@ static void nfs_readpage_retry(struct rpc_task *task, struct nfs_read_data *data
struct nfs_readres *resp = &data->res;
if (resp->eof || resp->count == argp->count)
- return;
+ goto out;
/* This is a short read! */
nfs_inc_stats(data->inode, NFSIOS_SHORTREAD);
/* Has the server at least made some progress? */
if (resp->count == 0)
- return;
+ goto out;
/* Yes, so retry the read at the end of the data */
argp->offset += resp->count;
argp->pgbase += resp->count;
argp->count -= resp->count;
- rpc_restart_call(task);
+ nfs4_restart_rpc(task, NFS_SERVER(data->inode)->nfs_client);
+ return;
+out:
+ nfs4_sequence_free_slot(NFS_SERVER(data->inode)->nfs_client,
+ &data->res.seq_res);
+ return;
+
}
/*
@@ -406,7 +414,23 @@ static void nfs_readpage_release_partial(void *calldata)
nfs_readdata_release(calldata);
}
+#if defined(CONFIG_NFS_V4_1)
+void nfs_read_prepare(struct rpc_task *task, void *calldata)
+{
+ struct nfs_read_data *data = calldata;
+
+ if (nfs4_setup_sequence(NFS_SERVER(data->inode)->nfs_client,
+ &data->args.seq_args, &data->res.seq_res,
+ 0, task))
+ return;
+ rpc_call_start(task);
+}
+#endif /* CONFIG_NFS_V4_1 */
+
static const struct rpc_call_ops nfs_read_partial_ops = {
+#if defined(CONFIG_NFS_V4_1)
+ .rpc_call_prepare = nfs_read_prepare,
+#endif /* CONFIG_NFS_V4_1 */
.rpc_call_done = nfs_readpage_result_partial,
.rpc_release = nfs_readpage_release_partial,
};
@@ -470,6 +494,9 @@ static void nfs_readpage_release_full(void *calldata)
}
static const struct rpc_call_ops nfs_read_full_ops = {
+#if defined(CONFIG_NFS_V4_1)
+ .rpc_call_prepare = nfs_read_prepare,
+#endif /* CONFIG_NFS_V4_1 */
.rpc_call_done = nfs_readpage_result_full,
.rpc_release = nfs_readpage_release_full,
};
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