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Al Viro authored
commit 0db59e59 upstream. As it is, we have debugfs_remove() racing with symlink traversals. Supply ->evict_inode() and do freeing there - inode will remain pinned until we are done with the symlink body. And rip the idiocy with checking if dentry is positive right after we'd verified debugfs_positive(), which is a stronger check... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> [bwh: Backported to 3.2: - Plumb in debugfs_super_operations, which we didn't previously define - Call truncate_inode_pages() instead of truncate_inode_pages_final() - Call end_writeback() instead of clear_inode()] Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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