diff options
| author | David Sterba <dsterba@suse.com> | 2017-08-30 16:56:51 +0200 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2017-09-08 16:15:05 +0200 |
| commit | af3369ae316d1d8c51438f3293f1889c76a573da (patch) | |
| tree | 0ab1a4f6656c4df16603c2edd002beb6839c2705 | |
| parent | 4851de27f1b61a2e22adeb1f3d5a03c5560554b5 (diff) | |
btrfs-progs: check: remove old mixed backref code
A code added in 2009 (95d3f20b51e9b) for a very short-lived change in
the format is no concern to us nowadays.
Signed-off-by: David Sterba <dsterba@suse.com>
| -rw-r--r-- | cmds-check.c | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/cmds-check.c b/cmds-check.c index 7ee81d81..7382d330 100644 --- a/cmds-check.c +++ b/cmds-check.c @@ -66,7 +66,6 @@ static u64 total_extent_tree_bytes = 0; static u64 btree_space_waste = 0; static u64 data_bytes_allocated = 0; static u64 data_bytes_referenced = 0; -static int found_old_backref = 0; static LIST_HEAD(duplicate_extents); static LIST_HEAD(delete_items); static int no_holes = 0; @@ -7945,11 +7944,6 @@ static int run_next_block(struct btrfs_root *root, total_fs_tree_bytes += buf->len; if (btrfs_header_owner(buf) == BTRFS_EXTENT_TREE_OBJECTID) total_extent_tree_bytes += buf->len; - if (!found_old_backref && - btrfs_header_owner(buf) == BTRFS_TREE_RELOC_OBJECTID && - btrfs_header_backref_rev(buf) == BTRFS_MIXED_BACKREF_REV && - !btrfs_header_flag(buf, BTRFS_HEADER_FLAG_RELOC)) - found_old_backref = 1; out: free_extent_buffer(buf); return ret; @@ -11456,11 +11450,6 @@ static int traverse_tree_block(struct btrfs_root *root, total_fs_tree_bytes += node->len; if (btrfs_header_owner(node) == BTRFS_EXTENT_TREE_OBJECTID) total_extent_tree_bytes += node->len; - if (!found_old_backref && - btrfs_header_owner(node) == BTRFS_TREE_RELOC_OBJECTID && - btrfs_header_backref_rev(node) == BTRFS_MIXED_BACKREF_REV && - !btrfs_header_flag(node, BTRFS_HEADER_FLAG_RELOC)) - found_old_backref = 1; /* pre-order tranversal, check itself first */ level = btrfs_header_level(node); @@ -13150,17 +13139,6 @@ int cmd_check(int argc, char **argv) err |= !!ret; } out: - if (found_old_backref) { /* - * there was a disk format change when mixed - * backref was in testing tree. The old format - * existed about one week. - */ - printf("\n * Found old mixed backref format. " - "The old format is not supported! *" - "\n * Please mount the FS in readonly mode, " - "backup data and re-format the FS. *\n\n"); - err |= 1; - } printf("found %llu bytes used, ", (unsigned long long)bytes_used); if (err) |