diff options
| author | Jeff Layton <jlayton@kernel.org> | 2023-11-03 06:10:51 -0400 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2024-01-04 10:47:56 -0500 |
| commit | f6e70c59edee4203e9541e790e8c416a9250f190 (patch) | |
| tree | e6dac1f99db11c37dcafdf7ee4aa6f1efcd2ef64 /fs/nfs/nfstrace.h | |
| parent | 310b1f89ea81ff753f55cba7f6ec457b6bbf6549 (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.h | 14 |
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 ) ); |