From 8c206b0a121e4195f892f298628791f3b848fef0 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 18 Jun 2025 09:19:12 -0400 Subject: [PATCH] nfs: add cache_validity to the nfs_inode_event tracepoints Managing the cache_validity flags is the deep voodoo of NFS cache coherency. Let's have a little extra visibility into that value via the nfs_inode_event tracepoints. Reviewed-by: Benjamin Coddington Signed-off-by: Jeff Layton Link: https://lore.kernel.org/r/20250618-nfs-tracepoints-v2-1-540c9fb48da2@kernel.org Signed-off-by: Trond Myklebust --- fs/nfs/nfstrace.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index f49f064c5ee57..96b1323318c2f 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -57,6 +57,7 @@ DECLARE_EVENT_CLASS(nfs_inode_event, __field(u32, fhandle) __field(u64, fileid) __field(u64, version) + __field(unsigned long, cache_validity) ), TP_fast_assign( @@ -65,14 +66,17 @@ DECLARE_EVENT_CLASS(nfs_inode_event, __entry->fileid = nfsi->fileid; __entry->fhandle = nfs_fhandle_hash(&nfsi->fh); __entry->version = inode_peek_iversion_raw(inode); + __entry->cache_validity = nfsi->cache_validity; ), TP_printk( - "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu ", + "fileid=%02x:%02x:%llu fhandle=0x%08x version=%llu cache_validity=0x%lx (%s)", MAJOR(__entry->dev), MINOR(__entry->dev), (unsigned long long)__entry->fileid, __entry->fhandle, - (unsigned long long)__entry->version + (unsigned long long)__entry->version, + __entry->cache_validity, + nfs_show_cache_validity(__entry->cache_validity) ) ); -- 2.47.3