Hi all, Teach online fsck to use parent pointers to assist in checking directories, parent pointers, extended attributes, and link counts. 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=scrub-pptrs xfsprogs git tree: https://git.kernel.org/cgit/linux/kernel/git/djwong/xfsprogs-dev.git/log/?h=scrub-pptrs --- Commits in this patchset: * xfs: check dirents have parent pointers * xfs: deferred scrub of dirents * xfs: scrub parent pointers * xfs: deferred scrub of parent pointers * xfs: walk directory parent pointers to determine backref count * xfs: check parent pointer xattrs when scrubbing * xfs: salvage parent pointers when rebuilding xattr structures --- fs/xfs/Makefile | 2 fs/xfs/libxfs/xfs_parent.c | 22 + fs/xfs/libxfs/xfs_parent.h | 5 fs/xfs/scrub/attr.c | 8 fs/xfs/scrub/attr_repair.c | 34 ++ fs/xfs/scrub/common.h | 1 fs/xfs/scrub/dir.c | 342 +++++++++++++++++++++ fs/xfs/scrub/nlinks.c | 82 +++++ fs/xfs/scrub/nlinks_repair.c | 2 fs/xfs/scrub/parent.c | 678 ++++++++++++++++++++++++++++++++++++++++++ fs/xfs/scrub/readdir.c | 78 +++++ fs/xfs/scrub/readdir.h | 3 fs/xfs/scrub/trace.c | 1 fs/xfs/scrub/trace.h | 103 ++++++ 14 files changed, 1348 insertions(+), 13 deletions(-)
