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Btrfs: remove wait_ordered_range in btrfs_evict_inode
When we delete an inode, btrfs_evict_inode() { truncate_inode_pages_final() truncate_inode_pages_range() lock_page() truncate_cleanup_page() btrfs_invalidatepage() wait_on_page_writeback btrfs_lookup_ordered_range() cancel_dirty_page() unlock_page() ... btrfs_wait_ordered_range() ... As VFS has called ->invalidatepage() to get all ordered extents done (if there are any) and truncated all page cache pages (no dirty pages to writeback after this step), wait_ordered_range() is just a noop. Signed-off-by: Liu Bo <[email protected]> Reviewed-by: David Sterba <[email protected]> Signed-off-by: David Sterba <[email protected]>
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