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authorChristoph Hellwig <hch@lst.de>2014-09-02 21:27:59 -0700
committerTrond Myklebust <trond.myklebust@primarydata.com>2014-09-10 12:47:04 -0700
commit30ff0603ca4d66c8244efc80ea8470d3d04aee8b (patch)
treeee6417bbf67facef5cc1cd4b22d33f4a25b7ee2b
parent9dd2fcd32f488ea89c2227cc56069446147376e8 (diff)
pnfs: add a nfs4_get_deviceid helper
This will be used by the block layout driver when splitting extents. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
-rw-r--r--fs/nfs/pnfs.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h
index 3eeca49d9ca2..d84fe29fc88b 100644
--- a/fs/nfs/pnfs.h
+++ b/fs/nfs/pnfs.h
@@ -280,6 +280,13 @@ 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)
{