NFSv4.1/flexfile: Ensure uniqueness of mirrors across layout segments

[cascardo/linux.git] / fs / nfs / flexfilelayout / flexfilelayout.h

diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h
index fe9d3ff..68cc0d9 100644 (file)
--- a/fs/nfs/flexfilelayout/flexfilelayout.h
+++ b/fs/nfs/flexfilelayout/flexfilelayout.h
@@ -67,6 +67,8 @@ struct nfs4_ff_layoutstat {
 };
 
 struct nfs4_ff_layout_mirror {
+       struct pnfs_layout_hdr          *layout;
+       struct list_head                mirrors;
        u32                             ds_count;
        u32                             efficiency;
        struct nfs4_ff_layout_ds        *mirror_ds;
@@ -95,6 +97,7 @@ struct nfs4_ff_layout_segment {
 struct nfs4_flexfile_layout {
        struct pnfs_layout_hdr generic_hdr;
        struct pnfs_ds_commit_info commit_info;
+       struct list_head        mirrors;
        struct list_head        error_list; /* nfs4_ff_layout_ds_err */
 };