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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-29 16:12:27 +0100
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2018-11-29 16:12:50 +0100
commit65ffc51aba406636a901b02067287d8535c02417 (patch)
tree206de4631c3f7d61ea552e50bde2841c558c7812 /fs/nfs/flexfilelayout/flexfilelayoutdev.c
parentd7a86dffc280cb5a2a18975d46c7b9d89b025c7e (diff)
parent1ec28f8b8ada4e4f77d1af006a3a474f4f83b8e3 (diff)
Merge remote-tracking branch 'drm/drm-next' into drm-misc-next
Requested by Boris Brezillon for some vc4 fixes that are needed for future vc4 work. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'fs/nfs/flexfilelayout/flexfilelayoutdev.c')
-rw-r--r--fs/nfs/flexfilelayout/flexfilelayoutdev.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
index 74d8d5352438..d23347389626 100644
--- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c
+++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c
@@ -370,6 +370,25 @@ out:
return fh;
}
+int
+nfs4_ff_layout_select_ds_stateid(struct pnfs_layout_segment *lseg,
+ u32 mirror_idx,
+ nfs4_stateid *stateid)
+{
+ struct nfs4_ff_layout_mirror *mirror = FF_LAYOUT_COMP(lseg, mirror_idx);
+
+ if (!ff_layout_mirror_valid(lseg, mirror, false)) {
+ pr_err_ratelimited("NFS: %s: No data server for mirror offset index %d\n",
+ __func__, mirror_idx);
+ goto out;
+ }
+
+ nfs4_stateid_copy(stateid, &mirror->stateid);
+ return 1;
+out:
+ return 0;
+}
+
/**
* nfs4_ff_layout_prepare_ds - prepare a DS connection for an RPC call
* @lseg: the layout segment we're operating on