From d5b9216fd5114be4ed98ca9c1ecc5f164cd8cf5e Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Thu, 18 Jul 2019 09:32:17 -0400 Subject: 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 --- fs/nfs/nfs4trace.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'fs/nfs/nfs4trace.c') 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 -- cgit