}
-static int
-pfmfs_get_sb(struct file_system_type *fs_type, int flags, const char *dev_name, void *data,
- struct vfsmount *mnt)
+static struct dentry *
+pfmfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data)
{
- return get_sb_pseudo(fs_type, "pfm:", NULL, PFMFS_MAGIC, mnt);
+ return mount_pseudo(fs_type, "pfm:", NULL, PFMFS_MAGIC);
}
static struct file_system_type pfm_fs_type = {
.name = "pfmfs",
- .get_sb = pfmfs_get_sb,
+ .mount = pfmfs_mount,
.kill_sb = kill_anon_super,
};
return -EINVAL;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_read: NULL ctx [%d]\n", task_pid_nr(current));
return -EINVAL;
return 0;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_poll: NULL ctx [%d]\n", task_pid_nr(current));
return 0;
return -EBADF;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_fasync NULL ctx [%d]\n", task_pid_nr(current));
return -EBADF;
return -EBADF;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_flush: NULL ctx [%d]\n", task_pid_nr(current));
return -EBADF;
return -EBADF;
}
- ctx = (pfm_context_t *)filp->private_data;
+ ctx = filp->private_data;
if (ctx == NULL) {
printk(KERN_ERR "perfmon: pfm_close: NULL ctx [%d]\n", task_pid_nr(current));
return -EBADF;
return 1;
}
+static char *pfmfs_dname(struct dentry *dentry, char *buffer, int buflen)
+{
+ return dynamic_dname(dentry, buffer, buflen, "pfm:[%lu]",
+ dentry->d_inode->i_ino);
+}
+
static const struct dentry_operations pfmfs_dentry_operations = {
.d_delete = pfmfs_delete_dentry,
+ .d_dname = pfmfs_dname,
};
struct file *file;
struct inode *inode;
struct path path;
- char name[32];
- struct qstr this;
+ struct qstr this = { .name = "" };
/*
* allocate a new inode
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
- sprintf(name, "[%lu]", inode->i_ino);
- this.name = name;
- this.len = strlen(name);
- this.hash = inode->i_ino;
-
/*
* allocate a new dcache entry
*/
goto error_args;
}
- ctx = (pfm_context_t *)file->private_data;
+ ctx = file->private_data;
if (unlikely(ctx == NULL)) {
DPRINT(("no context for fd %d\n", fd));
goto error_args;