From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cn.fujitsu.com ([59.151.112.132]:31954 "EHLO heian.cn.fujitsu.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S933613AbcATDKZ (ORCPT ); Tue, 19 Jan 2016 22:10:25 -0500 Subject: Re: Btrfs progs release 4.4 To: , , References: <20160118130626.GK4227@suse.cz> From: Qu Wenruo Message-ID: <569EFA89.7080600@cn.fujitsu.com> Date: Wed, 20 Jan 2016 11:10:01 +0800 MIME-Version: 1.0 In-Reply-To: <20160118130626.GK4227@suse.cz> Content-Type: text/plain; charset="utf-8"; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: David Sterba wrote on 2016/01/18 14:06 +0100: > Hi, > > btrfs-progs 4.4 have been released. > > User visible changes > -------------------- > > * mkfs.btrfs --data dup > > People asked about duplicating data on a single device for a long time. There > are no technical obstacles preventing that, so it got enabled with a warning > about potential dangers when the device will not do the duplicated copies. > See mkfs.btrfs section 'DUP PROFILES ON A SINGLE DEVICE'. > > * support balance filters added/enhanced in linux 4.4 > > * usage=min..max -- enhanced to take range > * stripes=min..max -- new, filter by stripes for raid0/10/5/6 > * limit=min..max -- enhanced to take range > > Due to backward compatibility, the range maximum for 'usage' is not inclusive > as for the others, to keep the same behaviour as usage=N . > > * manual pages enhanced (btrfs, mkfs, mount, filesystem, balance) > > * error messages updates, rewordings -- some fstests may break due to that > > * added support for free-space-tree implementation of space cache > > this requires kernel 4.5 and is not recommended for non-developers yet Hi David, Not sure if it's intended or just a small miss, in btrfs-progs ctree.h, there is BTRFS_FEATURE_COMPAT_RO_FREE_SPACE_TREE, but BTRFS_FEATURE_COMPAT_RO_SUPP is still 0, not including FREE_SPACE_TREE. Is it intended as current btrfsck doesn't support to modify fs with new free space cache tree? Thanks, Qu > > * 'btrfs filesystem usage' works with mixed blockgroups > > Other: > > * installation to /usr/local -- this has unintentionally changed during > conversion to autotools in 3.19 > * check: fix a false alert where extent record has wrong metadata flag > * improved stability on fuzzed/crafted images when reading sys array in > superblock > * build: the 'ar' tool is properly deteced during cross-compilation > * debug-tree: option -t understands ids for tree root and chnuk tree > * preparatory work for btrfs-convert rewrite > * sparse, gcc warning fixes > * more memory allocation failure handling > * cleanups ... > * more tests > > Bugfixes: > > * chunk recovery: fix floating point exception > * chunk recovery: endianity bugfix during rebuild > * mkfs with 64K pages and nodesize reported superblock checksum mismatch > * check: properly reset nlink of multi-linked file > > > Development cycle for 4.5 > ------------------------- > > There are a few patchsets that did not make it to 4.4 and are currently > at the top of my list. > > * feature compatibility of mkfs and kernel (Anand) > > * convert rework (Qu) -- more reivew needed, the pending patches are > in branch foreign/qu/convert-rework > > * delete device by id (Anand) -- the kernel support is required, I need > to look at the patches again > > * improved btrfs check progress > > There are a few more and I hope I'll get to them eventually. The bi-weekly > stable releases are supposed to be resumed with bugfixes or docs updates. > > > Tarballs: https://www.kernel.org/pub/linux/kernel/people/kdave/btrfs-progs/ > Git: git://git.kernel.org/pub/scm/linux/kernel/git/kdave/btrfs-progs.git > > Byongho Lee (6): > btrfs-progs: get sparse checking working > btrfs-progs: use NULL instead of 0 > btrfs-progs: make private symbols to static > btrfs-progs: fix endian bugs in chunk rebuilding > btrfs-progs: fix endian bug in update_super() > btrfs-progs: fix using on-disk structure to store in memory data > > Chandan Rajendra (1): > btrfs-progs: ftw_add_entry_size: Round up file size to sectorsize > > Christoph Anton Mitterer (1): > btrfs-progs: document snapshot unaware defrag > > David Sterba (79): > btrfs-progs: mkfs: use correct size for superblock csum and writeout > btrfs-progs: tests: add 007-mix-nodesize-sectorsize > btrfs-progs: docs: update raid table in mkfs manpage > btrfs-progs: tests: add 019-non-skinny-false-alert > btrfs-progs: tests: enhance 001-basic-profiles with --data DUP > btrfs-progs: docs: mkfs, implications of DUP on devices > btrfs-progs: install to /usr/local by default again > btrfs-progs: update btrfs_read_sys_array to match kernel implementation > btrfs-progs: cleanup, rename a few variables in btrfs_read_sys_array > btrfs-progs: add more checks to btrfs_read_sys_array > btrfs-progs: handle invalid num_stripes in sys_array > btrfs-progs: verbose error when we find an unexpected item in sys_array > btrfs-progs: tests: add sys-array-num-stripes-0.raw.xz > btrfs-progs: show-super: copy implementation of btrfs_read_sys_array > btrfs-progs: tests: print test type > btrfs-progs: extend balance args to take min/max limit filter > btrfs-progs: balance: enhance the limit fiter with range > btrfs-progs: extend balance args to take min/max usage filter > btrfs-progs: balance: enhance the usage filter with range > btrfs-progs: use on-stack buffer in add_symbolic_link > btrfs-progs: docs, update btrfs(8) manual page > btrfs-progs: docs, btrfs-mount: unindent descriptions > btrfs-progs: docs, btrfs-mount: put NOTE tag to new paragraph > btrfs-progs: docs, btrfs-mount: enhance fatal_erros > btrfs-progs: docs, enhance the mount option manual page > btrfs-progs: return errors from get_inode_rec, fail in callers > btrfs-progs: return errors from clone_inode_rec, fail in callers > btrfs-progs: handle errors in add_shared_node and fail in the caller > btrfs-progs: return errors from get_root_rec, fail in callers > btrfs-progs: handle errors in get_root_backref and fail in the caller > btrfs-progs: handle errors in get_inode_backref and fail in the caller > btrfs-progs: catch memory allocation failure in splice_shared_node > btrfs-progs: catch memory allocation failure from alloc_tree_backref > btrfs-progs: catch memory allocation failure from alloc_data_backref > btrfs-progs: handler memory allocation failure in add_extent_rec > btrfs-progs: catch memory allocation failure in btrfs_split_item > btrfs-progs: cmd rescue: switch to common error message wrapper > btrfs-progs: cmd quota: switch to common error message wrapper > btrfs-progs: cmd balance: switch to common error message wrapper > btrfs-progs: cmd property: switch to common error message wrapper > btrfs-progs: cmd qgroup: switch to common error message wrapper > btrfs-progs: cmd receive: switch to common error message wrapper > btrfs-progs: cmd send: switch to common error message wrapper > btrfs-progs: cmd subvolume: switch to common error message wrapper > btrfs-progs: cmd replace: switch to common error message wrapper > btrfs-progs: cmd filesystem: switch to common error message wrapper > btrfs-progs: cmd fi usage: switch to common error message wrapper > btrfs-progs: cmd property: use correct usage strings > btrfs-progs: cleanup, move usage help strings closer to the command callbacks > btrfs-progs: docs, btrfs-mount: enhance file attributes section > btrfs-progs: docs: rename btrfs-mount to btrfs-man5 > btrfs-progs: docs: sort mount options alphabetically > btrfs-progs: docs: document new mount option fragment > btrfs-progs: free-space-tree: minor message adjustments > btrfs-progs: remove unnecessary errno temp variables > btrfs-progs: check for negative return value from ioctl > btrfs-progs: build: fix builds with extra warnings, W=1 > btrfs-progs: add function attributes for the printf-like > btrfs-porgs: qgroup: rename variable to avoid shadowing > btrfs-porgs: check: rename variable to avoid shadowing > btrfs-porgs: fi usage: rename variable to avoid shadowing > btrfs-progs: tests: add missing prerequisites > btrfs-progs: docs: enhance btrfs-filesystem manual page > btrfs-progs: fi usage: support mixed blockgroups > btrfs-progs: subvol show: handle options by getopt > btrfs-progs: debug-tree: teach -t option about the chunk and root trees > btrfs-progs: let test_isdir return the exact error > btrfs-progs: handle errors from test_isdir > btrfs-progs: use symbolic name for subvolume inode number in test_issubvolume > btrfs-progs: let test_issubvolume return the exact error > btrfs-progs: more verbose errors from test_issubvolume > btrfs-progs: also check filesystem type in test_issubvolume > btrfs-progs: receive: don't leak open find handle > btrfs-progs: move prefixcmp to utils > btrfs-progs: introduce helper for parsing args without options > btrfs-progs: subvol show: use clean_args_no_options instead of opencoding > Btrfs progs v4.4-rc1 > btrfs-progs: debug-tree: tweak tree node checks > btrfs-progs: docs: update balance manual page > > Gabríel Arthúr Pétursson (1): > btrfs-progs: balance: add stripes filter > > Jeff Mahoney (1): > btrfs-progs: convert: add context and operations struct to allow different file systems > > Jeffrey Schiller (1): > btrfs-progs: docs: fix typo in balance man page > > Khem Raj (1): > btrfsprogs: corrupt-blocks: include limits.h to define PATH_MAX > > Liu Bo (1): > Btrfs-progs: fix typo in parse_range > > Mike Gilbert (1): > btrfs-progs: Use AC_CHECK_TOOL to find AR > > Naohiro Aota (2): > btrfs-progs: check, properly reset nlink of multi-linked file > btrfs-progs: tests: test multiple-linked file corruption > > Neil Horman (1): > btrfs: only free root_path if it was allocated from the heap > > Noah Massey (1): > btrfs-progs: fix static build > > Omar Sandoval (2): > btrfs-progs: add basic awareness of the free space tree > btrfs-progs: check the free space tree in btrfsck > > Qu Wenruo (7): > btrfs-progs: chunk-recovery: Fix a float point error > btrfs-progs: fsck: Fix a false alert where extent record has wrong metadata flag > btrfs-progs: tests: mkfs, check sectorsize and nodesize combinations > btrfs-progs: extent-cache: Add comments for search/lookup functions > btrfs-progs: extent-tree: Add add_merge_cache_extent function > btrfs-progs: Introduce new members for btrfs_convert_context > btrfs-progs: Enhance chunk validation check > > Zhao Lei (1): > btrfs-progs: mkfs: allow --data DUP for single device > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > >