Further this needs your review. How should be a complete use case of this init-csum-tree feature. mainly how do we expect this work in the real scenario. what problem does this solve. Thanks, Anand On 12/02/13 02:11 PM, Anand Jain wrote:
btrfsck reports backref error after running init-csum-tree btrfsck --init-csum-tree /dev/sdc btrfsck /dev/sdc :: ref mismatch on [29474816 16384] extent item 1, found 0 Backref 29474816 root 7 not referenced back 0x1101d30 Incorrect global backref count on 29474816 found 1 wanted 0 backpointer mismatch on [29474816 16384] owner ref check failed [29474816 16384] Errors found in extent allocation tree or chunk allocation :: Signed-off-by: Anand Jain <anand.j...@oracle.com> --- cmds-check.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/cmds-check.c b/cmds-check.c index afad8a1..6a8d351 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -6161,6 +6161,7 @@ int cmd_check(int argc, char **argv) } else if (option_index == 2) { printf("Creating a new CRC tree\n"); init_csum_tree = 1; + repair = 1; ctree_flags |= OPEN_CTREE_WRITES; } else if (option_index == 3) { init_extent_tree = 1; @@ -6234,6 +6235,11 @@ int cmd_check(int argc, char **argv) ret = btrfs_commit_transaction(trans, info->csum_root); if (ret) exit(1); + + ret = check_chunks_and_extents(root); + if (ret) + fprintf(stderr, + "Errors found in extent allocation tree or chunk allocation\n"); goto out; } ret = check_chunks_and_extents(root);
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