Name
invalidate_mapping_pages — 
     Invalidate all the unlocked pages of one inode
 
Synopsis
| unsigned long invalidate_mapping_pages ( | struct address_space * mapping, | 
|  | pgoff_t start, | 
|  | pgoff_t end ); | 
 
Arguments
- mapping
- 
     the address_space which holds the pages to invalidate
     
- start
- 
     the offset 'from' which to invalidate
     
- end
- 
     the offset 'to' which to invalidate (inclusive)
     
Description
   This function only removes the unlocked pages, if you want to
   remove all the pages of one inode, you must call truncate_inode_pages.
   
   invalidate_mapping_pages will not block on IO activity. It will not
   invalidate pages which are dirty, locked, under writeback or mapped into
   pagetables.