From: Chandan Rajendra Date: Mon, 21 Dec 2015 07:01:46 +0000 (+1100) Subject: btrfs/094: work on non-4k block sized filesystems X-Git-Tag: v2022.05.01~2726 X-Git-Url: http://git.apps.os.sepia.ceph.com/?p=xfstests-dev.git;a=commitdiff_plain;h=0b21062a728b5ab36a70f3da4b1cb37e72a5e987 btrfs/094: work on non-4k block sized filesystems This commit makes use of the new _filter_xfs_io_blocks_modified filtering function to print information in terms of file blocks rather than file offset. Signed-off-by: Chandan Rajendra Reviewed-by: Filipe Manana Signed-off-by: Dave Chinner --- diff --git a/tests/btrfs/094 b/tests/btrfs/094 index 6f6cdebb..45f108d1 100755 --- a/tests/btrfs/094 +++ b/tests/btrfs/094 @@ -67,36 +67,41 @@ mkdir $send_files_dir _scratch_mkfs >>$seqres.full 2>&1 _scratch_mount "-o compress" -# Create the file with a single extent of 128K. This creates a metadata file -# extent item with a data start offset of 0 and a logical length of 128K. -$XFS_IO_PROG -f -c "pwrite -S 0xaa 64K 128K" -c "fsync" \ - $SCRATCH_MNT/foo | _filter_xfs_io - -# Now rewrite the range 64K to 112K of our file. This will make the inode's -# metadata continue to point to the 128K extent we created before, but now -# with an extent item that points to the extent with a data start offset of -# 112K and a logical length of 16K. -# That metadata file extent item is associated with the logical file offset -# at 176K and covers the logical file range 176K to 192K. -$XFS_IO_PROG -c "pwrite -S 0xbb 64K 112K" -c "fsync" \ - $SCRATCH_MNT/foo | _filter_xfs_io - -# Now rewrite the range 180K to 12K. This will make the inode's metadata -# continue to point the the 128K extent we created earlier, with a single -# extent item that points to it with a start offset of 112K and a logical -# length of 4K. -# That metadata file extent item is associated with the logical file offset -# at 176K and covers the logical file range 176K to 180K. -$XFS_IO_PROG -c "pwrite -S 0xcc 180K 12K" -c "fsync" \ - $SCRATCH_MNT/foo | _filter_xfs_io +BLOCK_SIZE=$(get_block_size $SCRATCH_MNT) + +# Create the file with a single extent of 32 blocks. This creates a metadata +# file extent item with a data start offset of 0 and a logical length of +# 32 blocks. +$XFS_IO_PROG -f -c "pwrite -S 0xaa $((16 * $BLOCK_SIZE)) $((32 * $BLOCK_SIZE))" \ + -c "fsync" $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified + +# Now rewrite the block range [16, 28[ of our file. This will make +# the inode's metadata continue to point to the single 32 block extent +# we created before, but now with an extent item that points to the +# extent with a data start offset referring to the 28th block and a +# logical length of 4 blocks. +# That metadata file extent item is associated with the block range +# [44, 48[. +$XFS_IO_PROG -c "pwrite -S 0xbb $((16 * $BLOCK_SIZE)) $((28 * $BLOCK_SIZE))" \ + -c "fsync" $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified + + +# Now rewrite the block range [45, 48[. This will make the inode's +# metadata continue to point the 32 block extent we created earlier, +# with a single extent item that points to it with a start offset +# referring to the 28th block and a logical length of 1 block. +# That metadata file extent item is associated with the block range +# [44, 45[. +$XFS_IO_PROG -c "pwrite -S 0xcc $((45 * $BLOCK_SIZE)) $((3 * $BLOCK_SIZE))" \ + -c "fsync" $SCRATCH_MNT/foo | _filter_xfs_io_blocks_modified _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 -# Now clone that same region of the 128K extent into a new file, so that it +# Now clone that same region of the 32 block extent into a new file, so that it # gets referenced twice and the incremental send operation below decides to # issue a clone operation instead of copying the data. touch $SCRATCH_MNT/bar -$CLONER_PROG -s $((176 * 1024)) -d $((176 * 1024)) -l $((4 * 1024)) \ +$CLONER_PROG -s $((44 * $BLOCK_SIZE)) -d $((44 * $BLOCK_SIZE)) -l $BLOCK_SIZE \ $SCRATCH_MNT/foo $SCRATCH_MNT/bar _run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 @@ -105,10 +110,13 @@ _run_btrfs_util_prog send $SCRATCH_MNT/mysnap1 -f $send_files_dir/1.snap _run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \ -f $send_files_dir/2.snap -echo "File digests in the original filesystem:" -md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch -md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch -md5sum $SCRATCH_MNT/mysnap2/bar | _filter_scratch +echo "File contents in the original filesystem:" +echo "mysnap1/foo" +od -t x1 $SCRATCH_MNT/mysnap1/foo | _filter_od +echo "mysnap2/foo" +od -t x1 $SCRATCH_MNT/mysnap2/foo | _filter_od +echo "mysnap2/bar" +od -t x1 $SCRATCH_MNT/mysnap2/bar | _filter_od # Now recreate the filesystem by receiving both send streams and verify we get # the same file contents that the original filesystem had. @@ -119,10 +127,13 @@ _scratch_mount _run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/1.snap _run_btrfs_util_prog receive $SCRATCH_MNT -f $send_files_dir/2.snap -echo "File digests in the new filesystem:" -md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch -md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch -md5sum $SCRATCH_MNT/mysnap2/bar | _filter_scratch +echo "File contents in the new filesystem:" +echo "mysnap1/foo" +od -t x1 $SCRATCH_MNT/mysnap1/foo | _filter_od +echo "mysnap2/foo" +od -t x1 $SCRATCH_MNT/mysnap2/foo | _filter_od +echo "mysnap2/bar" +od -t x1 $SCRATCH_MNT/mysnap2/bar | _filter_od status=0 exit diff --git a/tests/btrfs/094.out b/tests/btrfs/094.out index c3ac1bf9..1c00cc56 100644 --- a/tests/btrfs/094.out +++ b/tests/btrfs/094.out @@ -1,15 +1,58 @@ QA output created by 094 -wrote 131072/131072 bytes at offset 65536 -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -wrote 114688/114688 bytes at offset 65536 -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -wrote 12288/12288 bytes at offset 184320 -XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) -File digests in the original filesystem: -f98243c603750f7daf225b1745b31516 SCRATCH_MNT/mysnap1/foo -f98243c603750f7daf225b1745b31516 SCRATCH_MNT/mysnap2/foo -7fccf6175f5c68504b408719a21db99f SCRATCH_MNT/mysnap2/bar -File digests in the new filesystem: -f98243c603750f7daf225b1745b31516 SCRATCH_MNT/mysnap1/foo -f98243c603750f7daf225b1745b31516 SCRATCH_MNT/mysnap2/foo -7fccf6175f5c68504b408719a21db99f SCRATCH_MNT/mysnap2/bar +Blocks modified: [16 - 47] +Blocks modified: [16 - 43] +Blocks modified: [45 - 47] +File contents in the original filesystem: +mysnap1/foo +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +* +20 bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb +* +54 aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa +* +55 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc +* +60 +mysnap2/foo +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +* +20 bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb +* +54 aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa +* +55 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc +* +60 +mysnap2/bar +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +* +54 aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa +* +55 +File contents in the new filesystem: +mysnap1/foo +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +* +20 bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb +* +54 aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa +* +55 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc +* +60 +mysnap2/foo +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +* +20 bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb +* +54 aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa +* +55 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc +* +60 +mysnap2/bar +0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 +* +54 aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa +* +55