NFS: Add functionality to allow waiting on all outstanding reads to complete

[pandora-kernel.git] / fs / nfs / internal.h

diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 541c9eb..91e59a3 100644 (file)
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -229,6 +229,13 @@ extern void nfs_pgheader_init(struct nfs_pageio_descriptor *desc,
                              struct nfs_pgio_header *hdr,
                              void (*release)(struct nfs_pgio_header *hdr));
 void nfs_set_pgio_error(struct nfs_pgio_header *hdr, int error, loff_t pos);
+int nfs_iocounter_wait(struct nfs_io_counter *c);
+
+static inline void nfs_iocounter_init(struct nfs_io_counter *c)
+{
+       c->flags = 0;
+       atomic_set(&c->io_count, 0);
+}
 
 /* nfs2xdr.c */
 extern struct rpc_procinfo nfs_procedures[];