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authorJeff Layton <jlayton@kernel.org>2023-11-03 06:10:51 -0400
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2024-01-04 10:47:56 -0500
commitf6e70c59edee4203e9541e790e8c416a9250f190 (patch)
treee6dac1f99db11c37dcafdf7ee4aa6f1efcd2ef64 /fs/nfs/nfstrace.h
parent310b1f89ea81ff753f55cba7f6ec457b6bbf6549 (diff)
nfs: print fileid in lookup tracepoints
With this we can see the dentry -> inode linkage that's being revalidated. A fileid of 0 means "negative dentry". Signed-off-by: Jeff Layton <jlayton@kernel.org> Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/nfstrace.h')
-rw-r--r--fs/nfs/nfstrace.h14
1 files changed, 10 insertions, 4 deletions
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 8ad1bed09295..de3adc4a2ce0 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -400,6 +400,7 @@ DECLARE_EVENT_CLASS(nfs_lookup_event,
__field(unsigned long, flags)
__field(dev_t, dev)
__field(u64, dir)
+ __field(u64, fileid)
__string(name, dentry->d_name.name)
),
@@ -407,16 +408,18 @@ DECLARE_EVENT_CLASS(nfs_lookup_event,
__entry->dev = dir->i_sb->s_dev;
__entry->dir = NFS_FILEID(dir);
__entry->flags = flags;
+ __entry->fileid = d_is_negative(dentry) ? 0 : NFS_FILEID(d_inode(dentry));
__assign_str(name, dentry->d_name.name);
),
TP_printk(
- "flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
+ "flags=0x%lx (%s) name=%02x:%02x:%llu/%s fileid=%llu",
__entry->flags,
show_fs_lookup_flags(__entry->flags),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->dir,
- __get_str(name)
+ __get_str(name),
+ __entry->fileid
)
);
@@ -444,6 +447,7 @@ DECLARE_EVENT_CLASS(nfs_lookup_event_done,
__field(unsigned long, flags)
__field(dev_t, dev)
__field(u64, dir)
+ __field(u64, fileid)
__string(name, dentry->d_name.name)
),
@@ -452,17 +456,19 @@ DECLARE_EVENT_CLASS(nfs_lookup_event_done,
__entry->dir = NFS_FILEID(dir);
__entry->error = error < 0 ? -error : 0;
__entry->flags = flags;
+ __entry->fileid = d_is_negative(dentry) ? 0 : NFS_FILEID(d_inode(dentry));
__assign_str(name, dentry->d_name.name);
),
TP_printk(
- "error=%ld (%s) flags=0x%lx (%s) name=%02x:%02x:%llu/%s",
+ "error=%ld (%s) flags=0x%lx (%s) name=%02x:%02x:%llu/%s fileid=%llu",
-__entry->error, show_nfs_status(__entry->error),
__entry->flags,
show_fs_lookup_flags(__entry->flags),
MAJOR(__entry->dev), MINOR(__entry->dev),
(unsigned long long)__entry->dir,
- __get_str(name)
+ __get_str(name),
+ __entry->fileid
)
);