On 2015-11-13 09:11, Zhao Lei wrote:
I'm going to put this in the queue of things I'm running tests for this weekend, expect something back from me on Monday about it (based on the patch itself though, I expect that I won't find any issues on the userspace side of things).Current code don't support dup profile in single device, except it is in mixed mode, because following reason: 1: In some ssd with deduplication function, it have no effect. 2: For a physical device, it the entire disk broken, -d dup can not help. 3: Half performance comparing with single profile. 4: We have a workaround: Create multi-partition in single device, and btefs will treat them as multi device.Instead of refuse -d dup, we have a better choise: Give user a chance to select, and output a warning to notice above problem. Test: 1: Tested by xfstests Run with modified xfstests, I add test items of -d dup in single device into btrfs/* and common/rc, run tests of btrfs/*, with all mount option, no regression diffed with v4.3. 2: Tested by btrfs-progs Checked following commands in "-m dup -d dup" fs with memleck checking, all passed: mkfs.btrfs -f --data dup --metadata dup /dev/sda6 btrfs filesystem show /dev/sda6 btrfs filesystem label /dev/sda6 btrfs_label_test btrfs filesystem label /dev/sda6 btrfs device scan --all-devices btrfs device scan /dev/sda6 btrfs device scan /dev/sda6 btrfs device ready /dev/sda6 btrfs check /dev/sda6 btrfs check -s 1 /dev/sda6 btrfs check --repair /dev/sda6 btrfs check --init-csum-tree /dev/sda6 btrfs check --init-extent-tree /dev/sda6 btrfs check --check-data-csum /dev/sda6 btrfs check --qgroup-report /dev/sda6 btrfs rescue super-recover -y /dev/sda6 btrfs rescue zero-log /dev/sda6 btrfs restore -l /dev/sda6 btrfs restore /dev/sda6 / btrfs restore -s /dev/sda6 / btrfs restore -x /dev/sda6 / btrfs restore -m /dev/sda6 / btrfs restore -S /dev/sda6 / btrfs restore -v /dev/sda6 / btrfs restore -i /dev/sda6 / btrfs restore -o /dev/sda6 / btrfs restore -u0 /dev/sda6 / btrfs restore -u1 /dev/sda6 / btrfs restore -D /dev/sda6 / btrfs property list /dev/sda6 btrfs property get /dev/sda6 label btrfs property set /dev/sda6 label test btrfs property set /dev/sda6 label btrfs_label_test btrfs help btrfs help --full btrfs version btrfsck /dev/sda6 btrfs-find-root /dev/sda6 btrfs-find-root -a /dev/sda6 btrfs-map-logical -l1 /dev/sda6 btrfs-map-logical -l1 -c1 /dev/sda6 btrfs-map-logical -l1 -o /tmp/btrfs-map-logic-out /dev/sda6 btrfs-map-logical -l1 -b1 /dev/sda6 btrfs-select-super -s 0 /dev/sda6 btrfs-select-super -s 1 /dev/sda6 btrfstune -S 1 /dev/sda6 btrfstune -f -S 0 /dev/sda6 btrfstune -r /dev/sda6 btrfstune -x /dev/sda6 btrfstune -n /dev/sda6 btrfstune -f -U 00000000-0000-0000-0000-000000000000 /dev/sda6 btrfstune -f -u /dev/sda6 btrfs-calc-size /dev/sda6 btrfs-calc-size -v /dev/sda6 btrfs-calc-size -b /dev/sda6 btrfs-debug-tree /dev/sda6 btrfs-debug-tree -e /dev/sda6 btrfs-debug-tree -d /dev/sda6 btrfs-debug-tree -r /dev/sda6 btrfs-debug-tree -R /dev/sda6 btrfs-debug-tree -u /dev/sda6 btrfs-debug-tree -b 0 /dev/sda6 btrfs-debug-tree -t 0 /dev/sda6 btrfs-debug-tree -t 2 /dev/sda6 btrfs-show-super /dev/sda6 btrfs-show-super -i 0 /dev/sda6 btrfs-show-super -i 1 /dev/sda6 btrfs-show-super -i 2 /dev/sda6 btrfs-show-super -a /dev/sda6 btrfs-show-super -f /dev/sda6 btrfs-show-super -F /dev/sda6 btrfs subvolume list /mnt/btrfs-progs-tests btrfs subvolume create /mnt/btrfs-progs-tests/mysubvol btrfs subvolume list /mnt/btrfs-progs-tests btrfs subvolume get-default /mnt/btrfs-progs-tests btrfs subvolume set-default 258 /mnt/btrfs-progs-tests btrfs subvolume get-default /mnt/btrfs-progs-tests btrfs subvolume set-default /mnt/btrfs-progs-tests btrfs subvolume snapshot /mnt/btrfs-progs-tests/mysubvol /mnt/btrfs-progs-tests/mysubvol_snap btrfs subvolume list /mnt/btrfs-progs-tests btrfs subvolume find-new /mnt/btrfs-progs-tests 0 btrfs subvolume find-new /mnt/btrfs-progs-tests 0 btrfs subvolume find-new /mnt/btrfs-progs-tests/mysubvol 0 btrfs subvolume find-new /mnt/btrfs-progs-tests/mysubvol 0 btrfs subvolume show /mnt/btrfs-progs-tests btrfs subvolume show /mnt/btrfs-progs-tests/mysubvol btrfs subvolume show /mnt/btrfs-progs-tests/mysubvol_snap btrfs subvolume sync /mnt/btrfs-progs-tests btrfs subvolume delete /mnt/btrfs-progs-tests/mysubvol_snap btrfs subvolume delete /mnt/btrfs-progs-tests/mysubvol btrfs subvolume sync /mnt/btrfs-progs-tests btrfs filesystem df /mnt/btrfs-progs-tests btrfs filesystem show /mnt/btrfs-progs-tests btrfs filesystem sync /mnt/btrfs-progs-tests btrfs filesystem label /mnt/btrfs-progs-tests btrfs_label_test btrfs filesystem label /mnt/btrfs-progs-tests btrfs filesystem usage /mnt/btrfs-progs-tests btrfs filesystem defragment -s 1024 -l 2048 /mnt/btrfs-progs-tests/filesystem_test_dir/test_dir_0/test_file_0 btrfs filesystem defragment /mnt/btrfs-progs-tests/filesystem_test_dir/test_dir_0/test_file_1 btrfs filesystem defragment -f /mnt/btrfs-progs-tests/filesystem_test_dir/test_dir_0/test_file_2 btrfs filesystem defragment -czlib /mnt/btrfs-progs-tests/filesystem_test_dir/test_dir_0/test_file_3 btrfs filesystem defragment -clzo /mnt/btrfs-progs-tests/filesystem_test_dir/test_dir_0/test_file_4 btrfs filesystem defragment /mnt/btrfs-progs-tests/filesystem_test_dir btrfs filesystem defragment -r /mnt/btrfs-progs-tests/filesystem_test_dir btrfs filesystem defragment /mnt/btrfs-progs-tests btrfs filesystem resize 1:-10M /mnt/btrfs-progs-tests btrfs filesystem resize 1:max /mnt/btrfs-progs-tests btrfs balance start /mnt/btrfs-progs-tests btrfs balance start -v /mnt/btrfs-progs-tests btrfs balance start -f /mnt/btrfs-progs-tests btrfs balance status -v /mnt/btrfs-progs-tests btrfs balance pause /mnt/btrfs-progs-tests btrfs balance status /mnt/btrfs-progs-tests btrfs balance resume /mnt/btrfs-progs-tests btrfs balance status -v /mnt/btrfs-progs-tests btrfs balance cancel /mnt/btrfs-progs-tests btrfs balance start -dprofiles=single /mnt/btrfs-progs-tests btrfs balance start -dconvert=single /mnt/btrfs-progs-tests btrfs balance start -ddevid=1 /mnt/btrfs-progs-tests btrfs balance start -f -mprofiles=single /mnt/btrfs-progs-tests btrfs balance start -f -mconvert=single /mnt/btrfs-progs-tests btrfs balance start -f -mdevid=1 /mnt/btrfs-progs-tests btrfs balance start -f -sprofiles=single /mnt/btrfs-progs-tests btrfs balance start -f -sconvert=single /mnt/btrfs-progs-tests btrfs balance start -f -sdevid=1 /mnt/btrfs-progs-tests btrfs device add -f /dev/sda10 /mnt/btrfs-progs-tests btrfs device del /dev/sda10 /mnt/btrfs-progs-tests btrfs device stats /dev/sda6 btrfs device stats -z /dev/sda6 btrfs device stats /mnt/btrfs-progs-tests btrfs device stats -z /mnt/btrfs-progs-tests btrfs device usage /mnt/btrfs-progs-tests btrfs scrub status /mnt/btrfs-progs-tests btrfs scrub start -B /mnt/btrfs-progs-tests btrfs scrub start -B -d /mnt/btrfs-progs-tests btrfs scrub start -B -r /mnt/btrfs-progs-tests btrfs scrub status /mnt/btrfs-progs-tests btrfs scrub start /mnt/btrfs-progs-tests btrfs scrub status /mnt/btrfs-progs-tests btrfs scrub status /mnt/btrfs-progs-tests btrfs scrub status -d /mnt/btrfs-progs-tests btrfs scrub status -R /mnt/btrfs-progs-tests btrfs scrub status /mnt/btrfs-progs-tests btrfs scrub start /dev/sda6 btrfs scrub status /dev/sda6 btrfs scrub status /dev/sda6 btrfs scrub status -d /dev/sda6 btrfs scrub status -R /dev/sda6 btrfs scrub status /dev/sda6 btrfs subvolume snapshot -r /mnt/btrfs-progs-tests /mnt/btrfs-progs-tests/snap1 btrfs send -f /tmp/btrfs_snapshot_test /mnt/btrfs-progs-tests/snap1 btrfs send -e -f /tmp/btrfs_snapshot_test /mnt/btrfs-progs-tests/snap1 btrfs send --no-data -f /tmp/btrfs_snapshot_test /mnt/btrfs-progs-tests/snap1 btrfs quota enable /mnt/btrfs-progs-tests btrfs quota rescan /mnt/btrfs-progs-tests btrfs quota rescan -s /mnt/btrfs-progs-tests btrfs quota rescan -w /mnt/btrfs-progs-tests btrfs quota disable /mnt/btrfs-progs-tests btrfs quota enable /mnt/btrfs-progs-tests btrfs qgroup create 1/5 /mnt/btrfs-progs-tests btrfs qgroup create 2/5 /mnt/btrfs-progs-tests btrfs qgroup assign 1/5 2/5 /mnt/btrfs-progs-tests btrfs qgroup limit 1G 1/5 /mnt/btrfs-progs-tests btrfs qgroup show /mnt/btrfs-progs-tests btrfs qgroup show -p -c -r -e -F -f /mnt/btrfs-progs-tests btrfs qgroup remove 1/5 2/5 /mnt/btrfs-progs-tests btrfs qgroup destroy 2/5 /mnt/btrfs-progs-tests btrfs qgroup destroy 1/5 /mnt/btrfs-progs-tests btrfs quota disable /mnt/btrfs-progs-tests btrfs replace start -f -B /dev/sda6 /dev/sda10 /mnt/btrfs-progs-tests btrfs replace status /mnt/btrfs-progs-tests btrfs replace start -f -B /dev/sda10 /dev/sda6 /mnt/btrfs-progs-tests btrfs-convert /dev/sda6 btrfs-convert -r /dev/sda6 btrfs-convert -d /dev/sda6 btrfs-convert -i /dev/sda6 btrfs-convert -n /dev/sda6 btrfs-convert -N 4096 /dev/sda6 btrfs-convert -l test /dev/sda6 btrfs-convert -L /dev/sda6 btrfs-convert --no-progress /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -c 0 /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -c 9 /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -t 0 /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -t 1 /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -t 32 /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -w /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 mkfs.btrfs -f /dev/sda6 btrfs-image -w /dev/sda6 /tmp/btrfs_image.img btrfs-image -r /tmp/btrfs_image.img /dev/sda6 btrfs-image -r -t 0 /tmp/btrfs_image.img /dev/sda6 btrfs-image -r -t 1 /tmp/btrfs_image.img /dev/sda6 btrfs-image -r -t 32 /tmp/btrfs_image.img /dev/sda6 btrfs-image -r -o /tmp/btrfs_image.img /dev/sda6 3: Manual check relation source by: grep DUP *.c Confirmed that all source are modified. 4: Use this raid type manually, do some operations in fs, no error found in command and dmesg. Changelog v1->v2: Fix a bug in v1 which cause no dup chunk created, found by above check command. Signed-off-by: Zhao Lei <zhao...@cn.fujitsu.com>
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