Eric Sandeen wrote: > Theodore Ts'o wrote: >> Add an ext3 bug-for-bug compatible analogue for data=ordered mode. In >> this mode, we force all delayed allocation blocks involved with the >> to-be-commited transaction to be allocated, and then flushed out to >> disk before the transaction is commited. >> >> Signed-off-by: "Theodore Ts'o" <tytso@xxxxxxx> > > Haven't really looked into the cause yet but I was playing with this, > and ran: > > # rm -f bigfile smallfile; dd if=/dev/zero of=bigfile bs=1M count=8192; > echo boo > smallfile; time /root/fsync smallfile; time /root/fsync bigfile > > which resulted in: > > BUG: unable to handle kernel NULL pointer dereference at 0000000000000060 > IP: [<ffffffffa02a6de1>] alloc_on_commit_callback+0x27/0x7f [ext4] This may have been user error ... ignore for now, I'll follow up if I decide it's real. :) -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
