Hi,
here's a bunch of cleanups and potential speed improvements when copying extent
buffer pages, there are some special cases. I haven't done any performance
measurements though.
Patchset target is 4.10, can be found in branch misc-cleanups-4.10 in my repos.
----------------------------------------------------------------
David Sterba (12):
btrfs: reada, cleanup remove unneeded variable in __readahead_hook
btrfs: reada, remove unused parameter from __readahead_hook
btrfs: reada, sink start parameter to btree_readahead_hook
btrfs: reada, remove pointless BUG_ON in reada_find_extent
btrfs: reada, remove pointless BUG_ON check for fs_info
btrfs: remove trivial helper btrfs_find_tree_block
btrfs: delete unused member from superblock
btrfs: introduce helpers for updating eb uuids
btrfs: use new helpers to set uuids in eb
btrfs: use specialized page copying helpers in btrfs_clone_extent_buffer
btrfs: remove constant parameter to memset_extent_buffer and rename it
btrfs: add optimized version of eb to eb copy
fs/btrfs/ctree.c | 49 ++++++++++++++++------------------------
fs/btrfs/ctree.h | 3 +--
fs/btrfs/disk-io.c | 26 +++++++--------------
fs/btrfs/disk-io.h | 2 --
fs/btrfs/extent-tree.c | 4 ++--
fs/btrfs/extent_io.c | 47 +++++++++++++++++++++++++++++++++-----
fs/btrfs/extent_io.h | 9 ++++++--
fs/btrfs/file-item.c | 2 +-
fs/btrfs/free-space-cache.c | 4 ++--
fs/btrfs/inode.c | 2 +-
fs/btrfs/ioctl.c | 10 ++++----
fs/btrfs/reada.c | 24 ++++++--------------
fs/btrfs/relocation.c | 2 +-
fs/btrfs/tests/extent-io-tests.c | 2 +-
fs/btrfs/volumes.c | 6 ++---
15 files changed, 98 insertions(+), 94 deletions(-)
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