diff options
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/export.c | 1 | ||||
| -rw-r--r-- | fs/nfs/nfstrace.h | 33 |
2 files changed, 34 insertions, 0 deletions
diff --git a/fs/nfs/export.c b/fs/nfs/export.c index deecb67638aa..3430d6891e89 100644 --- a/fs/nfs/export.c +++ b/fs/nfs/export.c @@ -105,6 +105,7 @@ nfs_fh_to_dentry(struct super_block *sb, struct fid *fid, ret = rpc_ops->getattr(NFS_SB(sb), server_fh, fattr, label, NULL); if (ret) { dprintk("%s: getattr failed %d\n", __func__, ret); + trace_nfs_fh_to_dentry(sb, server_fh, fattr->fileid, ret); dentry = ERR_PTR(ret); goto out_free_label; } diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h index 361cc10d6f95..f64a33d2a1d1 100644 --- a/fs/nfs/nfstrace.h +++ b/fs/nfs/nfstrace.h @@ -1065,6 +1065,39 @@ TRACE_EVENT(nfs_commit_done, ) ); +TRACE_EVENT(nfs_fh_to_dentry, + TP_PROTO( + const struct super_block *sb, + const struct nfs_fh *fh, + u64 fileid, + int error + ), + + TP_ARGS(sb, fh, fileid, error), + + TP_STRUCT__entry( + __field(int, error) + __field(dev_t, dev) + __field(u32, fhandle) + __field(u64, fileid) + ), + + TP_fast_assign( + __entry->error = error; + __entry->dev = sb->s_dev; + __entry->fileid = fileid; + __entry->fhandle = nfs_fhandle_hash(fh); + ), + + TP_printk( + "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x ", + __entry->error, + MAJOR(__entry->dev), MINOR(__entry->dev), + (unsigned long long)__entry->fileid, + __entry->fhandle + ) +); + TRACE_DEFINE_ENUM(NFS_OK); TRACE_DEFINE_ENUM(NFSERR_PERM); TRACE_DEFINE_ENUM(NFSERR_NOENT); |