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| author | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-12 17:08:26 -0400 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2013-08-22 08:58:23 -0400 |
| commit | fbc6f7c233ff0a7e98f5dc2837b08adf03aa9376 (patch) | |
| tree | 691fcc8c09c0188a6c70a4cb824e45d8eb500655 | |
| parent | c1578b769a644fe1ff3e8324fc404b18f3f01fbe (diff) | |
| download | talos-op-linux-fbc6f7c233ff0a7e98f5dc2837b08adf03aa9376.tar.gz talos-op-linux-fbc6f7c233ff0a7e98f5dc2837b08adf03aa9376.zip | |
NFSv4: Add tracepoints for debugging rename
Add tracepoints to debug renames.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
| -rw-r--r-- | fs/nfs/nfs4proc.c | 10 | ||||
| -rw-r--r-- | fs/nfs/nfs4trace.h | 43 |
2 files changed, 49 insertions, 4 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index daf0854aa047..4b3ba92b0e10 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3329,7 +3329,8 @@ static void nfs4_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renam static int nfs4_proc_rename_done(struct rpc_task *task, struct inode *old_dir, struct inode *new_dir) { - struct nfs_renameres *res = task->tk_msg.rpc_resp; + struct nfs_renamedata *data = task->tk_calldata; + struct nfs_renameres *res = &data->res; if (!nfs4_sequence_done(task, &res->seq_res)) return 0; @@ -3375,9 +3376,10 @@ static int nfs4_proc_rename(struct inode *old_dir, struct qstr *old_name, struct nfs4_exception exception = { }; int err; do { - err = nfs4_handle_exception(NFS_SERVER(old_dir), - _nfs4_proc_rename(old_dir, old_name, - new_dir, new_name), + err = _nfs4_proc_rename(old_dir, old_name, + new_dir, new_name); + trace_nfs4_rename(old_dir, old_name, new_dir, new_name, err); + err = nfs4_handle_exception(NFS_SERVER(old_dir), err, &exception); } while (exception.retry); return err; diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h index 6bd65c2c820b..6388db847017 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, |
