Theodore Tso wrote: > On Wed, Aug 13, 2008 at 11:07:06PM +0200, Christian Hesse wrote: >> Please look at the bottom of my last two mails... That was with your patch >> applied. > > Sorry, I missed it. The new BUG seems to be a bug in the delayed > allocation code, specifically here, in fs/ext4/inode.c:ext4_da_release_space(): > > /* figure out how many metablocks to release */ > BUG_ON(mdb > EXT4_I(inode)->i_reserved_meta_blocks); > mdb_free = EXT4_I(inode)->i_reserved_meta_blocks - mdb; > > I've quickly looked at the code, and how i_reserved_meta_blocks gets > updated, and nothing *obviously* wrong is jumping out at me. Anyone > else have time to investigate this a bit more deeply? I don't :), but I tried a quick reproducer anyway and couldn't hit it ... mkfs.ext3, mount, create non-extents file umount, tune2fs to ext4 mount as ext4, write to file, open file O_TRUNC ... didn't oops for me :( -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
