mm: optimize acorn partition truncate

invalidate_bdev() is superfluous when truncate_inode_pages() is also called. do call invalidate_bh_lrus() though, to avoid stale pointers. Signed-off-by: Peter Zijlstra <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
chewitt · May 7, 2007 · 96018fd · 96018fd
1 parent f9a1439
commit 96018fd
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/partitions/acorn.c b/fs/partitions/acorn.c
@@ -271,7 +271,7 @@ adfspart_check_ADFS(struct parsed_partitions *state, struct block_device *bdev)
 		extern void xd_set_geometry(struct block_device *,
 			unsigned char, unsigned char, unsigned int);
 		xd_set_geometry(bdev, dr->secspertrack, heads, 1);
-		invalidate_bdev(bdev);
+		invalidate_bh_lrus();
 		truncate_inode_pages(bdev->bd_inode->i_mapping, 0);
 	}
 #endif