ext3 updates for 2.4.20

[Andrew Morton]

There are three patches at

	http://www.zip.com.au/~akpm/linux/patches/2.4/2.4.20/

sync_fs.patch:
	Fix the ext3 data=journal data-loss-on-unmount bug

sync_fs-fix.patch:
	Fix sync_fs.patch to not deadlock the fs when running
	`mount -o remount' against a heavily loaded filesystem.

ext3-use-after-free.patch
	Fix a use-after-free bug which can cause memory corruption
	if the filesystem runs out of space, or runs out of free
	inodes.

Instructions for downloading and applying these patches are at

	http://www.zip.com.au/~akpm/linux/ext3/