#include <linux/statfs.h>
#include <linux/security.h>
#include <linux/magic.h>
+#include <linux/migrate.h>
#include <asm/uaccess.h>
hugetlb_unreserve_pages(inode, start, freed);
}
-static void hugetlbfs_delete_inode(struct inode *inode)
+static void hugetlbfs_evict_inode(struct inode *inode)
{
truncate_hugepages(inode, 0);
- clear_inode(inode);
-}
-
-static void hugetlbfs_forget_inode(struct inode *inode) __releases(inode_lock)
-{
- if (generic_detach_inode(inode)) {
- truncate_hugepages(inode, 0);
- clear_inode(inode);
- destroy_inode(inode);
- }
-}
-
-static void hugetlbfs_drop_inode(struct inode *inode)
-{
- if (!inode->i_nlink)
- generic_delete_inode(inode);
- else
- hugetlbfs_forget_inode(inode);
+ end_writeback(inode);
}
static inline void
error = inode_change_ok(inode, attr);
if (error)
- goto out;
+ return error;
if (ia_valid & ATTR_SIZE) {
error = -EINVAL;
- if (!(attr->ia_size & ~huge_page_mask(h)))
- error = hugetlb_vmtruncate(inode, attr->ia_size);
+ if (attr->ia_size & ~huge_page_mask(h))
+ return -EINVAL;
+ error = hugetlb_vmtruncate(inode, attr->ia_size);
if (error)
- goto out;
- attr->ia_valid &= ~ATTR_SIZE;
+ return error;
}
- error = inode_setattr(inode, attr);
-out:
- return error;
+
+ setattr_copy(inode, attr);
+ mark_inode_dirty(inode);
+ return 0;
}
static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid,
return 0;
}
+static int hugetlbfs_migrate_page(struct address_space *mapping,
+ struct page *newpage, struct page *page)
+{
+ int rc;
+
+ rc = migrate_huge_page_move_mapping(mapping, newpage, page);
+ if (rc)
+ return rc;
+ migrate_page_copy(newpage, page);
+
+ return 0;
+}
+
static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf)
{
struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(dentry->d_sb);
.write_begin = hugetlbfs_write_begin,
.write_end = hugetlbfs_write_end,
.set_page_dirty = hugetlbfs_set_page_dirty,
+ .migratepage = hugetlbfs_migrate_page,
};
static const struct super_operations hugetlbfs_ops = {
.alloc_inode = hugetlbfs_alloc_inode,
.destroy_inode = hugetlbfs_destroy_inode,
+ .evict_inode = hugetlbfs_evict_inode,
.statfs = hugetlbfs_statfs,
- .delete_inode = hugetlbfs_delete_inode,
- .drop_inode = hugetlbfs_drop_inode,
.put_super = hugetlbfs_put_super,
.show_options = generic_show_options,
};