Hello, Dave applied 1-12 from v6 [1]. This is a follow up cleaning up the remaining 10 patches adding 2 more to deal with a rare -1 [2] that I haven't quite figured out how to repro. This is also available at [3]. This series is on top of btrfs-devel#misc-next-with-discard-v6 0c7be920bd7d. [1] https://lore.kernel.org/linux-btrfs/cover.1576195673.git.dennis@xxxxxxxxxx/ [2] https://lore.kernel.org/linux-btrfs/20191217145541.GE3929@xxxxxxx/ [3] https://git.kernel.org/pub/scm/linux/kernel/git/dennis/misc.git/log/?h=async-discard Dennis Zhou (12): btrfs: calculate discard delay based on number of extents btrfs: add bps discard rate limit for async discard btrfs: limit max discard size for async discard btrfs: make max async discard size tunable btrfs: have multiple discard lists btrfs: only keep track of data extents for async discard btrfs: keep track of discard reuse stats btrfs: add async discard header btrfs: increase the metadata allowance for the free_space_cache btrfs: make smaller extents more likely to go into bitmaps btrfs: ensure removal of discardable_* in free_bitmap() btrfs: add correction to handle -1 edge case in async discard fs/btrfs/block-group.h | 7 + fs/btrfs/ctree.h | 10 +- fs/btrfs/discard.c | 258 +++++++++++++++++++++++++++++++++--- fs/btrfs/discard.h | 12 ++ fs/btrfs/extent-tree.c | 4 +- fs/btrfs/free-space-cache.c | 154 +++++++++++++++------ fs/btrfs/free-space-cache.h | 2 +- fs/btrfs/sysfs.c | 129 ++++++++++++++++++ 8 files changed, 519 insertions(+), 57 deletions(-) Thanks, Dennis
