ext4: fix data corruption regression by reverting commit 6de9843dab3f
Theodore Ts'o [Mon, 11 Apr 2011 02:30:07 +0000 (22:30 -0400)]
Revert commit 6de9843dab3f2a1d4d66d80aa9e5782f80977d20, since it
caused a data corruption regression with BitTorrent downloads.  Thanks
to Damien for discovering and bisecting to find the problem commit.

https://bugzilla.kernel.org/show_bug.cgi?id=32972

Reported-by: Damien Grassart <damien@grassart.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

fs/ext4/inode.c

index 5560f78..9c8cf81 100644 (file)
@@ -2502,6 +2502,7 @@ static int ext4_da_get_block_prep(struct inode *inode, sector_t iblock,
                 * for partial write.
                 */
                set_buffer_new(bh);
+               set_buffer_mapped(bh);
        }
        return 0;
 }