Hi all, Before we start merging the online repair functions, let's improve the bulk loading code a bit. First, we need to fix a misinteraction between the AIL and the btree bulkloader wherein the delwri at the end of the bulk load fails to queue a buffer for writeback if it happens to be on the AIL list. Second, we introduce a defer ops barrier object so that the process of reaping blocks after a repair cannot queue more than two extents per EFI log item. This increases our exposure to leaking blocks if the system goes down during a reap, but also should prevent transaction overflows, which result in the system going down. Third, we change the bulkloader itself to copy multiple records into a block if possible, and add some debugging knobs so that developers can control the slack factors, just like they can do for xfs_repair. If you're going to start using this code, I strongly recommend pulling from my git trees, which are linked below. This has been running on the djcloud for months with no problems. 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=repair-prep-for-bulk-loading-6.8 --- fs/xfs/libxfs/xfs_btree.c | 2 - fs/xfs/libxfs/xfs_btree.h | 3 + fs/xfs/libxfs/xfs_btree_staging.c | 78 +++++++++++++++++++++++++++---------- fs/xfs/libxfs/xfs_btree_staging.h | 25 +++++++++--- fs/xfs/scrub/newbt.c | 12 ++++-- fs/xfs/xfs_buf.c | 44 +++++++++++++++++++-- fs/xfs/xfs_buf.h | 1 fs/xfs/xfs_globals.c | 12 ++++++ fs/xfs/xfs_sysctl.h | 2 + fs/xfs/xfs_sysfs.c | 54 ++++++++++++++++++++++++++ 10 files changed, 198 insertions(+), 35 deletions(-)
