diff options
Diffstat (limited to 'tapset/vfs.stp')
| -rw-r--r-- | tapset/vfs.stp | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/tapset/vfs.stp b/tapset/vfs.stp index e10a2ed5..9ecce3cb 100644 --- a/tapset/vfs.stp +++ b/tapset/vfs.stp @@ -1,3 +1,13 @@ +// vfs tapset +// Copyright (C) 2006-2007 IBM Corp. +// Copyright (C) 2007 Intel Corporation. +// Copyright (C) 2007 Bull S.A.S +// +// This file is part of systemtap, and is free software. You can +// redistribute it and/or modify it under the terms of the GNU General +// Public License (GPL); either version 2, or (at your option) any +// later version. + /* generic vfs probes */ /* helper functions */ @@ -81,11 +91,11 @@ function __page_bdev:long (page:long) %{ /* pure */ function __file_dev:long (file:long) %{ /* pure */ struct file *file = (struct file *)(long)THIS->file; - struct dentry *f_dentry = file? kread(&(file->f_dentry)) : NULL; - if (f_dentry == NULL) { + struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL; + if (dentry == NULL) { THIS->__retvalue = 0; } else { - struct inode *d_inode = kread(&(f_dentry->d_inode)); + struct inode *d_inode = kread(&(dentry->d_inode)); struct super_block *i_sb = kread(&(d_inode->i_sb)); THIS->__retvalue = kread(&(i_sb->s_dev)); } @@ -94,11 +104,11 @@ function __file_dev:long (file:long) %{ /* pure */ function __file_bdev:long (file:long) %{ /* pure */ struct file *file = (struct file *)(long)THIS->file; - struct dentry *f_dentry = file? kread(&(file->f_dentry)) : NULL; - if (f_dentry == NULL) { + struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL; + if (dentry == NULL) { THIS->__retvalue = 0; } else { - struct inode *d_inode = kread(&(f_dentry->d_inode)); + struct inode *d_inode = kread(&(dentry->d_inode)); struct super_block *i_sb = kread(&(d_inode->i_sb)); THIS->__retvalue = (long)kread(&(i_sb->s_bdev)); } @@ -107,11 +117,11 @@ function __file_bdev:long (file:long) %{ /* pure */ function __file_ino:long (file:long) %{ /* pure */ struct file *file = (struct file *)(long)THIS->file; - struct dentry *f_dentry = file? kread(&(file->f_dentry)) : NULL; - if (f_dentry == NULL) { + struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL; + if (dentry == NULL) { THIS->__retvalue = 0; } else { - struct inode *d_inode = kread(&(f_dentry->d_inode)); + struct inode *d_inode = kread(&(dentry->d_inode)); THIS->__retvalue = kread(&(d_inode->i_ino)); } CATCH_DEREF_FAULT(); @@ -119,11 +129,11 @@ function __file_ino:long (file:long) %{ /* pure */ function __file_maxbytes:long (file:long) %{ /* pure */ struct file *file = (struct file *)(long)THIS->file; - struct dentry *f_dentry = file? kread(&(file->f_dentry)) : NULL; - if (f_dentry == NULL) { + struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL; + if (dentry == NULL) { THIS->__retvalue = 0; } else { - struct inode *d_inode = kread(&(f_dentry->d_inode)); + struct inode *d_inode = kread(&(dentry->d_inode)); struct super_block *i_sb = kread(&(d_inode->i_sb)); THIS->__retvalue = kread(&(i_sb->s_maxbytes)); } @@ -132,8 +142,8 @@ function __file_maxbytes:long (file:long) %{ /* pure */ function __file_filename:string (file:long) %{ /* pure */ struct file *file = (struct file *)(long)THIS->file; - struct dentry *f_dentry = file? kread(&(file->f_dentry)) : NULL; - const unsigned char *name = f_dentry? kread(&(f_dentry->d_name.name)) : NULL; + struct dentry *dentry = file? kread(&(file->f_dentry)) : NULL; + const unsigned char *name = dentry? kread(&(dentry->d_name.name)) : NULL; if (name == NULL) { strlcpy(THIS->__retvalue, "NULL", MAXSTRINGLEN); } else { |