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| author |   Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-02-19 19:19:35 -0500 |
|---|---|---|
| committer | Trond Myklebust <trond.myklebust@hammerspace.com> | 2022-03-02 08:43:39 -0500 |
| commit | eace45a18ccb34a746c3060601103aa14ca29923 (patch) | |
| tree | 68ada1972f57b834a303fc7841b9834bdb7f7c20 | |
| parent | NFS: Add basic readdir tracing (diff) | |
| download | linux-dev-eace45a18ccb34a746c3060601103aa14ca29923.tar.xz linux-dev-eace45a18ccb34a746c3060601103aa14ca29923.zip | |
NFS: Trace effects of readdirplus on the dcache
Trace the effects of readdirplus on attribute and dentry revalidation.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
| -rw-r--r-- | fs/nfs/dir.c | 5 | ||||
| -rw-r--r-- | fs/nfs/nfstrace.h | 3 |
2 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index d591d20f7534..8b25a39b1761 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -754,8 +754,12 @@ again: status = nfs_refresh_inode(d_inode(dentry), entry->fattr); if (!status) nfs_setsecurity(d_inode(dentry), entry->fattr); + trace_nfs_readdir_lookup_revalidate(d_inode(parent), + dentry, 0, status); goto out; } else { + trace_nfs_readdir_lookup_revalidate_failed( + d_inode(parent), dentry, 0); d_invalidate(dentry); dput(dentry); dentry = NULL; @@ -777,6 +781,7 @@ again: dentry = alias; } nfs_set_verifier(dentry, dir_verifier); + trace_nfs_readdir_lookup(d_inode(parent), dentry, 0); out: dput(dentry); } diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index c2d0543ecb2d..7c1102b991d0 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -432,6 +432,9 @@ DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_enter); DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_exit); DEFINE_NFS_LOOKUP_EVENT(nfs_lookup_revalidate_enter); DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_lookup_revalidate_exit); +DEFINE_NFS_LOOKUP_EVENT(nfs_readdir_lookup); +DEFINE_NFS_LOOKUP_EVENT(nfs_readdir_lookup_revalidate_failed); +DEFINE_NFS_LOOKUP_EVENT_DONE(nfs_readdir_lookup_revalidate); TRACE_EVENT(nfs_atomic_open_enter, TP_PROTO( |