Thank you, however I can't seem to be able to compile that snapshot, I'm getting
=========================== /usr/bin/install -c -m644 -d 64-btrfs-dm.rules /home/myuser/aur/btrfs-progs-git/pkg/btrfs-progs-git/usr/lib/udev/rules.d /usr/bin/install: cannot create directory ‘64-btrfs-dm.rules’: File exists Makefile:400: recipe for target 'install' failed make: *** [install] Error 1 ==> ERROR: A failure occurred in package() =========================== Just to make sure I wasn't screwing up somewhere, I tried the btrfs-progs-git AUR package and I'm getting the same thing. It's not only me, however: according to [1] it could be that this commit has introduced it: [2] Regards, Ivan. [1] https://aur.archlinux.org/packages/btrfs-progs-git/ [2] http://repo.or.cz/btrfs-progs-unstable/devel.git?a=commit;h=ebe5b1cc7885027521db3c1d16d84bd54cc1321b On Tue, May 17, 2016 at 5:56 AM, Qu Wenruo <quwen...@cn.fujitsu.com> wrote: > Also to Ivan P, the initial reporter of the problem. > > Now "btrfsck --clear-cache" should help you to prevent kernel warning on > free space cache problem. > > Thanks, > Qu > > Qu Wenruo wrote on 2016/05/17 11:47 +0800: >> >> The patchset can be also fetched from github, just in case mail list >> blocks the last patch, which contains binary file. >> https://github.com/adam900710/btrfs-progs.git fsck_clear_cache >> >> Just as describe in the first patch, btrfs kernel "clear_cache" mount >> option can't rebuild all free space cache, due to the design of free >> space cache. >> (Although I pretty like the idea to delay the load of free space cache, >> as it hugely reduce the mount time of large fs) >> >> So this makes users to report error in mail list, complaining >> "clear_cache" doesn't wipe the annoying kernel warning on corrupted free >> space cache. >> >> Since kernel can't handle it, and user consider it more like an error, >> we'd better handle it like an error, to fix it in btrfs check. >> >> So this patchset adds the ability to clear free space cache, and add >> test case for it. >> >> The clear procedure is different from kernel, it will remove all free >> space cache inodes and its contents(with backrefs), and set >> cache_generation of super block to -1. >> So there will be no free space cache at all and kernel will be happy >> with that. >> >> This patch also enhances btrfs_previous_item() to use min_objectid to >> return as early as possible. >> >> Lu Fengqi (1): >> btrfs-progs: tests: add 020-bad-free-space-cache >> >> Qu Wenruo (3): >> btrfs-progs: corrupt-block: Add ability to corrupt free space cache >> file >> btrfs-progs: ctree: return earlier for btrfs_previous_item >> btrfs-progs: fsck: Add support to clear free space cache >> >> Documentation/btrfs-check.asciidoc | 8 ++ >> btrfs-corrupt-block.c | 124 >> ++++++++++++++++++++- >> cmds-check.c | 58 +++++++++- >> ctree.c | 2 + >> free-space-cache.c | 124 >> +++++++++++++++++++++ >> free-space-cache.h | 4 + >> .../020-bad-free-space-cache/default_case.raw.xz | Bin 0 -> 164068 >> bytes >> tests/fsck-tests/020-bad-free-space-cache/test.sh | 16 +++ >> 8 files changed, 334 insertions(+), 2 deletions(-) >> create mode 100644 >> tests/fsck-tests/020-bad-free-space-cache/default_case.raw.xz >> create mode 100755 tests/fsck-tests/020-bad-free-space-cache/test.sh >> > > -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html