NFS: Display symbolic status code names in trace log

For improved readability, add nfs_show_status() call-sites in the
generic NFS trace points so that the symbolic status code name is
displayed.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index a0d6910aa03a47b702f4c94f6c73e1b11c47c25c..9dd8765412fda0d0e286a304196b9ce9ec1a813c 100644 (file)
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -83,7 +83,7 @@ DECLARE_EVENT_CLASS(nfs_inode_event_done,
                TP_ARGS(inode, error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(dev_t, dev)
                        __field(u32, fhandle)
                        __field(unsigned char, type)
@@ -96,7 +96,7 @@ DECLARE_EVENT_CLASS(nfs_inode_event_done,
 
                TP_fast_assign(
                        const struct nfs_inode *nfsi = NFS_I(inode);
-                       __entry->error = error;
+                       __entry->error = error < 0 ? -error : 0;
                        __entry->dev = inode->i_sb->s_dev;
                        __entry->fileid = nfsi->fileid;
                        __entry->fhandle = nfs_fhandle_hash(&nfsi->fh);
@@ -108,10 +108,10 @@ DECLARE_EVENT_CLASS(nfs_inode_event_done,
                ),
 
                TP_printk(
-                       "error=%d fileid=%02x:%02x:%llu fhandle=0x%08x "
+                       "error=%ld (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
                        "type=%u (%s) version=%llu size=%lld "
                        "cache_validity=%lu (%s) nfs_flags=%ld (%s)",
-                       __entry->error,
+                       -__entry->error, nfs_show_status(__entry->error),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
                        (unsigned long long)__entry->fileid,
                        __entry->fhandle,
@@ -219,7 +219,7 @@ DECLARE_EVENT_CLASS(nfs_lookup_event_done,
                TP_ARGS(dir, dentry, flags, error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(unsigned int, flags)
                        __field(dev_t, dev)
                        __field(u64, dir)
@@ -229,14 +229,14 @@ DECLARE_EVENT_CLASS(nfs_lookup_event_done,
                TP_fast_assign(
                        __entry->dev = dir->i_sb->s_dev;
                        __entry->dir = NFS_FILEID(dir);
-                       __entry->error = error;
+                       __entry->error = error < 0 ? -error : 0;
                        __entry->flags = flags;
                        __assign_str(name, dentry->d_name.name);
                ),
 
                TP_printk(
-                       "error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       "error=%ld (%s) flags=%u (%s) name=%02x:%02x:%llu/%s",
+                       -__entry->error, nfs_show_status(__entry->error),
                        __entry->flags,
                        show_lookup_flags(__entry->flags),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -323,7 +323,7 @@ TRACE_EVENT(nfs_atomic_open_exit,
                TP_ARGS(dir, ctx, flags, error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(unsigned int, flags)
                        __field(unsigned int, fmode)
                        __field(dev_t, dev)
@@ -332,7 +332,7 @@ TRACE_EVENT(nfs_atomic_open_exit,
                ),
 
                TP_fast_assign(
-                       __entry->error = error;
+                       __entry->error = -error;
                        __entry->dev = dir->i_sb->s_dev;
                        __entry->dir = NFS_FILEID(dir);
                        __entry->flags = flags;
@@ -341,9 +341,9 @@ TRACE_EVENT(nfs_atomic_open_exit,
                ),
 
                TP_printk(
-                       "error=%d flags=%u (%s) fmode=%s "
+                       "error=%ld (%s) flags=%u (%s) fmode=%s "
                        "name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       -__entry->error, nfs_show_status(__entry->error),
                        __entry->flags,
                        show_open_flags(__entry->flags),
                        show_fmode_flags(__entry->fmode),
@@ -397,7 +397,7 @@ TRACE_EVENT(nfs_create_exit,
                TP_ARGS(dir, dentry, flags, error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(unsigned int, flags)
                        __field(dev_t, dev)
                        __field(u64, dir)
@@ -405,7 +405,7 @@ TRACE_EVENT(nfs_create_exit,
                ),
 
                TP_fast_assign(
-                       __entry->error = error;
+                       __entry->error = -error;
                        __entry->dev = dir->i_sb->s_dev;
                        __entry->dir = NFS_FILEID(dir);
                        __entry->flags = flags;
@@ -413,8 +413,8 @@ TRACE_EVENT(nfs_create_exit,
                ),
 
                TP_printk(
-                       "error=%d flags=%u (%s) name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       "error=%ld (%s) flags=%u (%s) name=%02x:%02x:%llu/%s",
+                       -__entry->error, nfs_show_status(__entry->error),
                        __entry->flags,
                        show_open_flags(__entry->flags),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -469,7 +469,7 @@ DECLARE_EVENT_CLASS(nfs_directory_event_done,
                TP_ARGS(dir, dentry, error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(dev_t, dev)
                        __field(u64, dir)
                        __string(name, dentry->d_name.name)
@@ -478,13 +478,13 @@ DECLARE_EVENT_CLASS(nfs_directory_event_done,
                TP_fast_assign(
                        __entry->dev = dir->i_sb->s_dev;
                        __entry->dir = NFS_FILEID(dir);
-                       __entry->error = error;
+                       __entry->error = error < 0 ? -error : 0;
                        __assign_str(name, dentry->d_name.name);
                ),
 
                TP_printk(
-                       "error=%d name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       "error=%ld (%s) name=%02x:%02x:%llu/%s",
+                       -__entry->error, nfs_show_status(__entry->error),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
                        (unsigned long long)__entry->dir,
                        __get_str(name)
@@ -557,7 +557,7 @@ TRACE_EVENT(nfs_link_exit,
                TP_ARGS(inode, dir, dentry, error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(dev_t, dev)
                        __field(u64, fileid)
                        __field(u64, dir)
@@ -568,13 +568,13 @@ TRACE_EVENT(nfs_link_exit,
                        __entry->dev = inode->i_sb->s_dev;
                        __entry->fileid = NFS_FILEID(inode);
                        __entry->dir = NFS_FILEID(dir);
-                       __entry->error = error;
+                       __entry->error = error < 0 ? -error : 0;
                        __assign_str(name, dentry->d_name.name);
                ),
 
                TP_printk(
-                       "error=%d fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       "error=%ld (%s) fileid=%02x:%02x:%llu name=%02x:%02x:%llu/%s",
+                       -__entry->error, nfs_show_status(__entry->error),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
                        __entry->fileid,
                        MAJOR(__entry->dev), MINOR(__entry->dev),
@@ -642,7 +642,7 @@ DECLARE_EVENT_CLASS(nfs_rename_event_done,
 
                TP_STRUCT__entry(
                        __field(dev_t, dev)
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(u64, old_dir)
                        __string(old_name, old_dentry->d_name.name)
                        __field(u64, new_dir)
@@ -651,17 +651,17 @@ DECLARE_EVENT_CLASS(nfs_rename_event_done,
 
                TP_fast_assign(
                        __entry->dev = old_dir->i_sb->s_dev;
+                       __entry->error = -error;
                        __entry->old_dir = NFS_FILEID(old_dir);
                        __entry->new_dir = NFS_FILEID(new_dir);
-                       __entry->error = error;
                        __assign_str(old_name, old_dentry->d_name.name);
                        __assign_str(new_name, new_dentry->d_name.name);
                ),
 
                TP_printk(
-                       "error=%d old_name=%02x:%02x:%llu/%s "
+                       "error=%ld (%s) old_name=%02x:%02x:%llu/%s "
                        "new_name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       -__entry->error, nfs_show_status(__entry->error),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
                        (unsigned long long)__entry->old_dir,
                        __get_str(old_name),
@@ -697,7 +697,7 @@ TRACE_EVENT(nfs_sillyrename_unlink,
 
                TP_STRUCT__entry(
                        __field(dev_t, dev)
-                       __field(int, error)
+                       __field(unsigned long, error)
                        __field(u64, dir)
                        __dynamic_array(char, name, data->args.name.len + 1)
                ),
@@ -707,15 +707,15 @@ TRACE_EVENT(nfs_sillyrename_unlink,
                        size_t len = data->args.name.len;
                        __entry->dev = dir->i_sb->s_dev;
                        __entry->dir = NFS_FILEID(dir);
-                       __entry->error = error;
+                       __entry->error = -error;
                        memcpy(__get_str(name),
                                data->args.name.name, len);
                        __get_str(name)[len] = 0;
                ),
 
                TP_printk(
-                       "error=%d name=%02x:%02x:%llu/%s",
-                       __entry->error,
+                       "error=%ld (%s) name=%02x:%02x:%llu/%s",
+                       -__entry->error, nfs_show_status(__entry->error),
                        MAJOR(__entry->dev), MINOR(__entry->dev),
                        (unsigned long long)__entry->dir,
                        __get_str(name)
@@ -974,6 +974,8 @@ TRACE_DEFINE_ENUM(NFSERR_PERM);
 TRACE_DEFINE_ENUM(NFSERR_NOENT);
 TRACE_DEFINE_ENUM(NFSERR_IO);
 TRACE_DEFINE_ENUM(NFSERR_NXIO);
+TRACE_DEFINE_ENUM(ECHILD);
+TRACE_DEFINE_ENUM(NFSERR_EAGAIN);
 TRACE_DEFINE_ENUM(NFSERR_ACCES);
 TRACE_DEFINE_ENUM(NFSERR_EXIST);
 TRACE_DEFINE_ENUM(NFSERR_XDEV);
@@ -985,6 +987,7 @@ TRACE_DEFINE_ENUM(NFSERR_FBIG);
 TRACE_DEFINE_ENUM(NFSERR_NOSPC);
 TRACE_DEFINE_ENUM(NFSERR_ROFS);
 TRACE_DEFINE_ENUM(NFSERR_MLINK);
+TRACE_DEFINE_ENUM(NFSERR_OPNOTSUPP);
 TRACE_DEFINE_ENUM(NFSERR_NAMETOOLONG);
 TRACE_DEFINE_ENUM(NFSERR_NOTEMPTY);
 TRACE_DEFINE_ENUM(NFSERR_DQUOT);
@@ -1007,6 +1010,8 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX);
                        { NFSERR_NOENT, "NOENT" }, \
                        { NFSERR_IO, "IO" }, \
                        { NFSERR_NXIO, "NXIO" }, \
+                       { ECHILD, "CHILD" }, \
+                       { NFSERR_EAGAIN, "AGAIN" }, \
                        { NFSERR_ACCES, "ACCES" }, \
                        { NFSERR_EXIST, "EXIST" }, \
                        { NFSERR_XDEV, "XDEV" }, \
@@ -1018,6 +1023,7 @@ TRACE_DEFINE_ENUM(NFSERR_JUKEBOX);
                        { NFSERR_NOSPC, "NOSPC" }, \
                        { NFSERR_ROFS, "ROFS" }, \
                        { NFSERR_MLINK, "MLINK" }, \
+                       { NFSERR_OPNOTSUPP, "OPNOTSUPP" }, \
                        { NFSERR_NAMETOOLONG, "NAMETOOLONG" }, \
                        { NFSERR_NOTEMPTY, "NOTEMPTY" }, \
                        { NFSERR_DQUOT, "DQUOT" }, \
@@ -1041,7 +1047,7 @@ TRACE_EVENT(nfs_xdr_status,
                TP_ARGS(error),
 
                TP_STRUCT__entry(
-                       __field(int, error)
+                       __field(unsigned long, error)
                ),
 
                TP_fast_assign(
@@ -1049,8 +1055,8 @@ TRACE_EVENT(nfs_xdr_status,
                ),
 
                TP_printk(
-                       "error=%d (%s)",
-                       __entry->error, nfs_show_status(__entry->error)
+                       "error=%ld (%s)",
+                       -__entry->error, nfs_show_status(__entry->error)
                )
 );