diff options
author | Zhao Lei <zhaolei@cn.fujitsu.com> | 2015-11-19 17:36:24 +0800 |
---|---|---|
committer | David Sterba <dsterba@suse.com> | 2015-11-26 15:58:38 +0100 |
commit | c1ff75db16cbe80f634a41c8068013a5129dba05 (patch) | |
tree | 4ed219b20eb048c39b050d0ad204a435fcca612d | |
parent | ed91cae19808d8d8561ec9e18c8dc0a74643c53f (diff) |
btrfs-progs: mkfs: allow --data DUP for single device
Current code don't support DUP profile on single device, except it
is in mixed mode, because of following reasons:
1: Some SSD do deduplication internally, so the duplication on
the filesystem side has no effect.
2: On a physical device, if the entire disk broken, --data DUP does not
help.
3: Half performance compared to single profile.
4: We have a workaround: create multi-partition on a single device,
and btffs will treat them as multi device.
Instead of refusing --data DUP, we give the user a choice and print
a wrning.
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.
5: Combination of dup conversion with fsck
Confirmed OK with relative kernel patch titled:
[PATCH] btrfs: Support convert to -d dup for btrfs-convert
export TEST_DEV='/dev/vdc'
export TEST_DIR='/var/ltf/tester/mnt'
do_dup_test()
{
local m_from="$1"
local d_from="$2"
local m_to="$3"
local d_to="$4"
echo "Convert from -m $m_from -d $d_from to -m $m_to -d $d_to"
umount "$TEST_DIR" &>/dev/null
./mkfs.btrfs -f -m "$m_from" -d "$d_from" "$TEST_DEV" >/dev/null || return 1
mount "$TEST_DEV" "$TEST_DIR" || return 1
cp -a /sbin/* "$TEST_DIR"
[[ "$m_from" != "$m_to" ]] && {
./btrfs balance start -f -mconvert="$m_to" "$TEST_DIR" || return 1
}
[[ "$d_from" != "$d_to" ]] && {
local opt=()
[[ "$d_to" == single ]] && opt+=("-f")
./btrfs balance start "${opt[@]}" -dconvert="$d_to" "$TEST_DIR" || return 1
}
umount "$TEST_DIR" || return 1
./btrfsck "$TEST_DEV" || return 1
echo
return 0
}
test_all()
{
for m_from in single dup; do
for d_from in single dup; do
for m_to in single dup; do
for d_to in single dup; do
do_dup_test "$m_from" "$d_from" "$m_to" "$d_to" || return 1
done
done
done
done
}
test_all
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Tested-by: Austin S. Hemmelgarn <ahferroin7@gmail.com>
[ minor updates in the changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r-- | mkfs.c | 5 | ||||
-rw-r--r-- | utils.c | 10 | ||||
-rw-r--r-- | utils.h | 2 |
3 files changed, 7 insertions, 10 deletions
@@ -252,7 +252,6 @@ static int create_raid_groups(struct btrfs_trans_handle *trans, u64 metadata_profile, int mixed, struct mkfs_allocation *allocation) { - u64 num_devices = btrfs_super_num_devices(root->fs_info->super_copy); int ret; if (metadata_profile) { @@ -271,7 +270,7 @@ static int create_raid_groups(struct btrfs_trans_handle *trans, BUG_ON(ret); } - if (!mixed && num_devices > 1 && data_profile) { + if (!mixed && data_profile) { ret = create_one_raid_group(trans, root, BTRFS_BLOCK_GROUP_DATA | data_profile, allocation); @@ -1603,7 +1602,7 @@ int main(int ac, char **av) } } ret = test_num_disk_vs_raid(metadata_profile, data_profile, - dev_cnt, mixed); + dev_cnt, mixed, ssd); if (ret) exit(1); @@ -2463,7 +2463,7 @@ static int group_profile_devs_min(u64 flag) } int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile, - u64 dev_cnt, int mixed) + u64 dev_cnt, int mixed, int ssd) { u64 allowed = 0; @@ -2504,11 +2504,9 @@ int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile, return 1; } - if (!mixed && (data_profile & BTRFS_BLOCK_GROUP_DUP)) { - fprintf(stderr, - "ERROR: DUP for data is allowed only in mixed mode\n"); - return 1; - } + warning_on(!mixed && (data_profile & BTRFS_BLOCK_GROUP_DUP) && ssd, + "DUP have no effect if your SSD have deduplication function"); + return 0; } @@ -167,7 +167,7 @@ int test_dev_for_mkfs(char *file, int force_overwrite); int get_label_mounted(const char *mount_path, char *labelp); int get_label_unmounted(const char *dev, char *label); int test_num_disk_vs_raid(u64 metadata_profile, u64 data_profile, - u64 dev_cnt, int mixed); + u64 dev_cnt, int mixed, int ssd); int group_profile_max_safe_loss(u64 flags); int is_vol_small(char *file); int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf, |