Zach Brown c51f0c37da Defer dirty inode data writeback (and use list) ...

iput() can only be used in contexts that could perform final inode
deletion which requires cluster locks and transactions.  This is
absolutely true for the transaction committing worker.  We can't have
deletion during transaction commit trying to get locks and dirty *more*
items in the transaction.

Now that we're properly getting locks in final inode deletion and
O_TMPFILE support has put pressure on deletion, we're seeing deadlocks
between inode eviction during transaction commit getting a index lock
and index lock invalidation trying to commit.

We use the newly offered queued iput to defer the iput from walking our
dirty inodes.   The transaction commit will be able to proceed while
the iput worker is off waiting for a lock.

Signed-off-by: Zach Brown <zab@versity.com>

2021-07-30 13:20:40 -07:00

..

src

Defer dirty inode data writeback (and use list)

2021-07-30 13:20:40 -07:00

.gitignore

scoutfs: update rpm building infrastructure

2018-09-14 15:07:10 -07:00

Makefile

Filesystem version instead of format hash check

2021-01-15 10:53:00 -08:00

scoutfs-kmod.spec.in

scoutfs: update rpm building infrastructure

2018-09-14 15:07:10 -07:00