The test results of this:
[root@lxbceph1 xfstests-dev]# ./check generic/020
FSTYP -- ceph
PLATFORM -- Linux/x86_64 lxbceph1 6.2.0-rc7-00074-gd9ba97321a89
#211 SMP PREEMPT_DYNAMIC Wed Feb 22 14:28:15 CST 2023
MKFS_OPTIONS -- 10.72.47.117:40602:/testB
MOUNT_OPTIONS -- -o
test_dummy_encryption,name=admin,nowsync,copyfrom,rasize=4096 -o
context=system_u:object_r:root_t:s0 10.72.47.117:40602:/testB /mnt/kcephfs.B
generic/020 32s ... 34s
Ran: generic/020
Passed all 1 tests
On 27/02/2023 12:13, xiubli@xxxxxxxxxx wrote:
From: Xiubo Li <xiubli@xxxxxxxxxx>
If the CONFIG_CEPH_FS_SECURITY_LABEL is enabled the kernel ceph
itself will set the security.selinux extended attribute to MDS.
And it will also eat some space of the total size.
Fixes: https://tracker.ceph.com/issues/58742
Signed-off-by: Xiubo Li <xiubli@xxxxxxxxxx>
---
V2:
- make the 'size' and the 'selinux_size' to be local
tests/generic/020 | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/tests/generic/020 b/tests/generic/020
index be5cecad..538a24c6 100755
--- a/tests/generic/020
+++ b/tests/generic/020
@@ -150,9 +150,11 @@ _attr_get_maxval_size()
# it imposes a maximum size for the full set of xattrs
# names+values, which by default is 64K. Compute the maximum
# taking into account the already existing attributes
- max_attrval_size=$(getfattr --dump -e hex $filename 2>/dev/null | \
+ local size=$(getfattr --dump -e hex $filename 2>/dev/null | \
awk -F "=0x" '/^user/ {len += length($1) + length($2) / 2} END {print len}')
- max_attrval_size=$((65536 - $max_attrval_size - $max_attrval_namelen))
+ local selinux_size=$(getfattr -n 'security.selinux' --dump -e hex $filename 2>/dev/null | \
+ awk -F "=0x" '/^security/ {len += length($1) + length($2) / 2} END {print len}')
+ max_attrval_size=$((65536 - $size - $selinux_size - $max_attrval_namelen))
;;
*)
# Assume max ~1 block of attrs
--
Best Regards,
Xiubo Li (李秀波)
Email: xiubli@xxxxxxxxxx/xiubli@xxxxxxx
Slack: @Xiubo Li
