btrfs-progs: add an image with compressed extent to fsck-tests/065-valid-log-tree

Adds a test that when checking for missing csums in the log tree, btrfs
check considers the compressed rather than uncompressed size of the
extent. See commit 175cbfc.

The log tree in compressed.img.xz:

log tree key (TREE_LOG ROOT_ITEM 5)
leaf 5373952 items 4 free space 15952 generation 7 owner TREE_LOG
leaf 5373952 flags 0x1(WRITTEN) backref revision 1
checksum stored 61faf6f2
checksum calced 61faf6f2
fs uuid 70d417f0-0173-49ca-bdf1-b789a798974d
chunk uuid b7ec3806-ea09-4f18-a5ef-126a2d79105e
        item 0 key (257 INODE_ITEM 0) itemoff 16123 itemsize 160
                generation 7 transid 7 size 4096 nbytes 0
                block group 0 mode 100644 links 1 uid 0 gid 0 rdev 0
                sequence 1 flags 0x0(none)
                atime 1721050040.375996658 (2024-07-15 14:27:20)
                ctime 1721050040.375996658 (2024-07-15 14:27:20)
                mtime 1721050040.375996658 (2024-07-15 14:27:20)
                otime 0.2820488960 (1970-01-01 01:00:00)
        item 1 key (257 INODE_REF 256) itemoff 16109 itemsize 14
                index 2 namelen 4 name: file
        item 2 key (257 EXTENT_DATA 0) itemoff 16056 itemsize 53
                generation 7 type 1 (regular)
                extent data disk byte 13631488 nr 4096
                extent data offset 0 nr 8192 ram 8192
                extent compression 1 (zlib)
        item 3 key (EXTENT_CSUM EXTENT_CSUM 13631488) itemoff 16052 itemsize 4
                range start 13631488 end 13635584 length 4096

Signed-off-by: Mark Harmstone <maharmstone@fb.com>
[ Move the image to 065-valid-log tree ]
Signed-off-by: Qu Wenruo <wqu@suse.com>

Author: maharmstone