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authorTrond Myklebust <trond.myklebust@hammerspace.com>2019-07-18 16:32:17 +0300
committerTrond Myklebust <trond.myklebust@hammerspace.com>2019-07-18 22:50:28 +0300
commitd5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e (patch)
treee81e74971e58837a9986c48cf38a2e6160a0265c /include/linux
parent58bbeab425c6c5e318f5b6ae31d351331ddfb34b (diff)
downloadlinux-d5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e.tar.xz
pnfs/flexfiles: Add tracepoints for detecting pnfs fallback to MDS
Add tracepoints to allow debugging of the event chain leading to a pnfs fallback to doing I/O through the MDS. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/nfs4.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 22494d170619..fd59904a282c 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -660,6 +660,7 @@ enum pnfs_update_layout_reason {
PNFS_UPDATE_LAYOUT_BLOCKED,
PNFS_UPDATE_LAYOUT_INVALID_OPEN,
PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET,
+ PNFS_UPDATE_LAYOUT_EXIT,
};
#define NFS4_OP_MAP_NUM_LONGS \