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@@ -363,6 +363,8 @@ struct address_space_operations {
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loff_t offset, unsigned long nr_segs);
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struct page* (*get_xip_page)(struct address_space *, sector_t,
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int);
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/* migrate the contents of a page to the specified target */
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int (*migratepage) (struct page *, struct page *);
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};
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struct backing_dev_info;
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@@ -1722,6 +1724,12 @@ extern void simple_release_fs(struct vfsmount **mount, int *count);
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extern ssize_t simple_read_from_buffer(void __user *, size_t, loff_t *, const void *, size_t);
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#ifdef CONFIG_MIGRATION
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extern int buffer_migrate_page(struct page *, struct page *);
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#else
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#define buffer_migrate_page NULL
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#endif
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extern int inode_change_ok(struct inode *, struct iattr *);
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extern int __must_check inode_setattr(struct inode *, struct iattr *);
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