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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 /fs/nfs/nfs4trace.c | |
| parent | 58bbeab425c6c5e318f5b6ae31d351331ddfb34b (diff) | |
| download | linux-d5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e.tar.bz2 | |
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 'fs/nfs/nfs4trace.c')
| -rw-r--r-- | fs/nfs/nfs4trace.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.c b/fs/nfs/nfs4trace.c index e9fb3e50a999..1a8f376b3f73 100644 --- a/fs/nfs/nfs4trace.c +++ b/fs/nfs/nfs4trace.c @@ -16,4 +16,12 @@ EXPORT_TRACEPOINT_SYMBOL_GPL(nfs4_pnfs_read); EXPORT_TRACEPOINT_SYMBOL_GPL(nfs4_pnfs_write); EXPORT_TRACEPOINT_SYMBOL_GPL(nfs4_pnfs_commit_ds); + +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_pg_init_read); +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_pg_init_write); +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_pg_get_mirror_count); +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_read_done); +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_write_done); +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_read_pagelist); +EXPORT_TRACEPOINT_SYMBOL_GPL(pnfs_mds_fallback_write_pagelist); #endif |