Hi all, This series uses the inode scanner and live update hook functionality introduced in the last patchset to implement quotacheck on a live filesystem. The quotacheck scrubber builds an incore copy of the dquot resource usage counters and compares it to the live dquots to report discrepancies. If the user chooses to repair the quota counters, the repair function visits each incore dquot to update the counts from the live information. The live update hooks are key to keeping the incore copy up to date. If you're going to start using this code, I strongly recommend pulling from my git trees, which are linked below. This has been running on the djcloud for months with no problems. Enjoy! Comments and questions are, as always, welcome. --D kernel git tree: https://git.kernel.org/cgit/linux/kernel/git/djwong/xfs-linux.git/log/?h=repair-quotacheck xfsprogs git tree: https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=repair-quotacheck fstests git tree: https://git.kernel.org/cgit/linux/kernel/git/djwong/xfstests-dev.git/log/?h=repair-quotacheck --- Commits in this patchset: * xfs: report the health of quota counts * xfs: create a xchk_trans_alloc_empty helper for scrub * xfs: create a helper to count per-device inode block usage * xfs: create a sparse load xfarray function * xfs: implement live quotacheck inode scan * xfs: track quota updates during live quotacheck * xfs: repair cannot update the summary counters when logging quota flags * xfs: repair dquots based on live quotacheck results --- fs/xfs/Makefile | 2 fs/xfs/libxfs/xfs_fs.h | 4 fs/xfs/libxfs/xfs_health.h | 4 fs/xfs/scrub/common.c | 49 ++ fs/xfs/scrub/common.h | 11 fs/xfs/scrub/fscounters.c | 2 fs/xfs/scrub/health.c | 1 fs/xfs/scrub/quotacheck.c | 867 ++++++++++++++++++++++++++++++++++++++ fs/xfs/scrub/quotacheck.h | 76 +++ fs/xfs/scrub/quotacheck_repair.c | 261 +++++++++++ fs/xfs/scrub/repair.c | 46 ++ fs/xfs/scrub/repair.h | 5 fs/xfs/scrub/scrub.c | 9 fs/xfs/scrub/scrub.h | 10 fs/xfs/scrub/stats.c | 1 fs/xfs/scrub/trace.h | 30 + fs/xfs/scrub/xfarray.h | 19 + fs/xfs/xfs_health.c | 1 fs/xfs/xfs_inode.c | 16 + fs/xfs/xfs_inode.h | 2 fs/xfs/xfs_qm.c | 23 + fs/xfs/xfs_qm.h | 16 + fs/xfs/xfs_qm_bhv.c | 1 fs/xfs/xfs_quota.h | 45 ++ fs/xfs/xfs_trans_dquot.c | 158 +++++++ 25 files changed, 1633 insertions(+), 26 deletions(-) create mode 100644 fs/xfs/scrub/quotacheck.c create mode 100644 fs/xfs/scrub/quotacheck.h create mode 100644 fs/xfs/scrub/quotacheck_repair.c
