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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-18 09:32:17 -0400 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2019-07-18 15:50:28 -0400 |
| commit | d5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e (patch) | |
| tree | e81e74971e58837a9986c48cf38a2e6160a0265c /include/linux/nfs4.h | |
| parent | pnfs: Fix a problem where we gratuitously start doing I/O through the MDS (diff) | |
| download | linux-dev-d5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e.tar.xz linux-dev-d5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e.zip | |
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/nfs4.h')
| -rw-r--r-- | include/linux/nfs4.h | 1 |
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 \ |