This will be used by the block layout driver when splitting extents.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/nfs/pnfs.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index ba468e2..c27fe18 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -277,6 +277,13 @@ void nfs4_deviceid_purge_client(const struct nfs_client *);
int nfs4_deviceid_getdevicelist(struct nfs_server *server,
const struct nfs_fh *fh);
+static inline struct nfs4_deviceid_node *
+nfs4_get_deviceid(struct nfs4_deviceid_node *d)
+{
+ atomic_inc(&d->ref);
+ return d;
+}
+
static inline struct pnfs_layout_segment *
pnfs_get_lseg(struct pnfs_layout_segment *lseg)
{
--
1.9.1
--
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