return get_unmapped_area(file, addr, len, pgoff, flags);
}
+/* forward declaration */
+static const struct dentry_operations pfmfs_dentry_operations;
static struct dentry *
pfmfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data)
{
- return mount_pseudo(fs_type, "pfm:", NULL, PFMFS_MAGIC);
+ return mount_pseudo(fs_type, "pfm:", NULL, &pfmfs_dentry_operations,
+ PFMFS_MAGIC);
}
static struct file_system_type pfm_fs_type = {
unsigned long addr;
size = PAGE_ALIGN(size);
- mem = vmalloc(size);
+ mem = vzalloc(size);
if (mem) {
//printk("perfmon: CPU%d pfm_rvmalloc(%ld)=%p\n", smp_processor_id(), size, mem);
- memset(mem, 0, size);
addr = (unsigned long)mem;
while (size > 0) {
pfm_reserve_page(addr);
* any operations on the root directory. However, we need a non-trivial
* d_name - pfm: will go nicely and kill the special-casing in procfs.
*/
-static struct vfsmount *pfmfs_mnt;
+static struct vfsmount *pfmfs_mnt __read_mostly;
static int __init
init_pfm_fs(void)
};
static int
-pfmfs_delete_dentry(struct dentry *dentry)
+pfmfs_delete_dentry(const struct dentry *dentry)
{
return 1;
}
}
path.mnt = mntget(pfmfs_mnt);
- path.dentry->d_op = &pfmfs_dentry_operations;
d_add(path.dentry, inode);
file = alloc_file(&path, FMODE_READ, &pfm_file_ops);