Hi all, This series fixes a customer-reported transaction reservation bug introduced ten years ago that could result in livelocks during log recovery. Log intent item recovery single-steps each step of a deferred op chain, which means that each step only needs to allocate one transaction's worth of space in the log, not an entire chain all at once. This single-stepping is critical to unpinning the log tail since there's nobody else to do it for us. If you're going to start using this code, I strongly recommend pulling from my git trees, which are linked below. This has been lightly tested with fstests. Enjoy! Comments and questions are, as always, welcome. --D kernel git tree: https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git/log/?h=fix-efi-recovery-6.6 --- fs/xfs/libxfs/xfs_log_recover.h | 22 ++++++++++++++++++++++ fs/xfs/xfs_attr_item.c | 7 ++++--- fs/xfs/xfs_bmap_item.c | 4 +++- fs/xfs/xfs_extfree_item.c | 4 +++- fs/xfs/xfs_refcount_item.c | 6 ++++-- fs/xfs/xfs_rmap_item.c | 6 ++++-- 6 files changed, 40 insertions(+), 9 deletions(-)
