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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-12 17:08:26 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-22 08:58:23 -0400
commitfbc6f7c233ff0a7e98f5dc2837b08adf03aa9376 (patch)
tree691fcc8c09c0188a6c70a4cb824e45d8eb500655 /fs/nfs/nfs4trace.h
parentc1578b769a644fe1ff3e8324fc404b18f3f01fbe (diff)
downloadop-kernel-dev-fbc6f7c233ff0a7e98f5dc2837b08adf03aa9376.zip
op-kernel-dev-fbc6f7c233ff0a7e98f5dc2837b08adf03aa9376.tar.gz
NFSv4: Add tracepoints for debugging rename
Add tracepoints to debug renames. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4trace.h')
-rw-r--r--fs/nfs/nfs4trace.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 6bd65c2..6388db8 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -461,6 +461,49 @@ DEFINE_NFS4_LOOKUP_EVENT(nfs4_remove);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_get_fs_locations);
DEFINE_NFS4_LOOKUP_EVENT(nfs4_secinfo);
+TRACE_EVENT(nfs4_rename,
+ TP_PROTO(
+ const struct inode *olddir,
+ const struct qstr *oldname,
+ const struct inode *newdir,
+ const struct qstr *newname,
+ int error
+ ),
+
+ TP_ARGS(olddir, oldname, newdir, newname, error),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(int, error)
+ __field(u64, olddir)
+ __string(oldname, oldname->name)
+ __field(u64, newdir)
+ __string(newname, newname->name)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = olddir->i_sb->s_dev;
+ __entry->olddir = NFS_FILEID(olddir);
+ __entry->newdir = NFS_FILEID(newdir);
+ __entry->error = error;
+ __assign_str(oldname, oldname->name);
+ __assign_str(newname, newname->name);
+ ),
+
+ TP_printk(
+ "error=%d (%s) oldname=%02x:%02x:%llu/%s "
+ "newname=%02x:%02x:%llu/%s",
+ __entry->error,
+ show_nfsv4_errors(__entry->error),
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->olddir,
+ __get_str(oldname),
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->newdir,
+ __get_str(newname)
+ )
+);
+
DECLARE_EVENT_CLASS(nfs4_inode_event,
TP_PROTO(
const struct inode *inode,
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