Gentle ping 2018-01-09 13:53 GMT+03:00 Timofey Titovets <nefelim...@gmail.com>: > Gentle ping > > 2017-12-19 13:02 GMT+03:00 Timofey Titovets <nefelim...@gmail.com>: >> 1st patch, remove 16MiB restriction from extent_same ioctl(), >> by doing iterations over passed range. >> >> I did not see much difference in performance, so it's just remove >> logic restriction. >> >> 2-3 pathes, update defrag ioctl(): >> - Fix bad behaviour with full rewriting all compressed >> extents in defrag range. (that also make autodefrag on compressed fs >> not so expensive) >> - Allow userspace specify NONE as target compression type, >> that allow users to uncompress files by defragmentation with btrfs-progs >> - Make defrag ioctl understood requested compression type and current >> compression type of extents, to make btrfs fi def -rc<type> >> idempotent operation. >> i.e. now possible to say, make all extents compressed with lzo, >> and btrfs will not recompress lzo compressed data. >> Same for zlib, zstd, none. >> (patch to btrfs-progs in PR on kdave GitHub). >> >> 4th patch, reduce size of struct btrfs_inode >> - btrfs_inode store fields like: prop_compress, defrag_compress and >> after 3rd patch, change_compress. >> They use unsigned as a type, and use 12 bytes in sum. >> But change_compress is a bitflag, and prop_compress/defrag_compress >> only store compression type, that currently use 0-3 of 2^32-1. >> >> So, set a bitfields on that vars, and reduce size of btrfs_inode: >> 1136 -> 1128. >> >> Timofey Titovets (4): >> Btrfs: btrfs_dedupe_file_range() ioctl, remove 16MiB restriction >> Btrfs: make should_defrag_range() understood compressed extents >> Btrfs: allow btrfs_defrag_file() uncompress files on defragmentation >> Btrfs: reduce size of struct btrfs_inode >> >> fs/btrfs/btrfs_inode.h | 5 +- >> fs/btrfs/inode.c | 4 +- >> fs/btrfs/ioctl.c | 203 >> +++++++++++++++++++++++++++++++------------------ >> 3 files changed, 133 insertions(+), 79 deletions(-) >> >> -- >> 2.15.1 > > > > -- > Have a nice day, > Timofey.
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