Bug 216569

Summary:	ubifs: Missing budget for ubifs_xrename()
Product:	File System	Reporter:	Zhihao Cheng (chengzhihao1)
Component:	Other	Assignee:	fs_other
Status:	NEW ---
Severity:	normal
Priority:	P1
Hardware:	All
OS:	Linux
Kernel Version:	6.0.0	Subsystem:
Regression:	No	Bisected commit-id:
Attachments:	setup.sh a.c diff

Description Zhihao Cheng 2022-10-11 03:18:18 UTC

CONFIG_FS_ENCRYPTION=y
CONFIG_UBIFS_FS=m
CONFIG_MTD_UBI=m
CONFIG_MTD_NAND_NANDSIM=m

1. Apply diff and compile kernel
2. ./setup.sh 1
3. dmesg
[12035.118788] <2809> budget: len 260 len_encrypted 290
[12035.119500] <2809> budget: data_growth(new inode + new dent + new ino_data) 736
[12035.120891] <2809> disk: newdent 312 newinode+ino_data 456

[root@localhost ~]# dmesg -c
[ 1548.794608] <8045> budget: dd_growth + data_growth 0
[ 1548.799021] <8045> disk: new + mod 288

budget <0> < disk (288)

Comment 1 Zhihao Cheng 2022-10-11 03:18:31 UTC

Created attachment 302967 [details]
setup.sh

Comment 2 Zhihao Cheng 2022-10-11 03:18:42 UTC

Created attachment 302968 [details]
a.c

Comment 3 Zhihao Cheng 2022-10-11 03:18:53 UTC

Created attachment 302969 [details]
diff

Comment 4 Zhihao Cheng 2022-10-11 03:21:46 UTC

(In reply to Zhihao Cheng from comment #0)
> CONFIG_FS_ENCRYPTION=y
> CONFIG_UBIFS_FS=m
> CONFIG_MTD_UBI=m
> CONFIG_MTD_NAND_NANDSIM=m
> 
> 1. Apply diff and compile kernel
> 2. ./setup.sh 1
3. Compile and execute a.c
> 4. dmesg
> [root@localhost ~]# dmesg -c
> [ 1548.794608] <8045> budget: dd_growth + data_growth 0
> [ 1548.799021] <8045> disk: new + mod 288
> 
> budget <0> < disk (288)