diff options
| author | Chengguang Xu <cgxu519@gmx.com> | 2018-09-19 22:53:44 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-20 12:26:29 +0200 |
| commit | 01e4ae4b687fad12fa00ebf0bc0723f1fbbeec30 (patch) | |
| tree | b41ed05ad6c407c0aa6c463ad2ced6e50bf83fe4 /drivers | |
| parent | 6614f76530c102a3b55e2355645385ab124cdcb2 (diff) | |
| download | linux-stable-01e4ae4b687fad12fa00ebf0bc0723f1fbbeec30.tar.gz linux-stable-01e4ae4b687fad12fa00ebf0bc0723f1fbbeec30.tar.bz2 linux-stable-01e4ae4b687fad12fa00ebf0bc0723f1fbbeec30.zip | |
staging: erofs: code cleanup for option parsing of fault_injection
Define a dummpy function of erofs_build_fault_attr() when macro
CONFIG_EROFS_FAULT_INJECTION is disabled, so that we don't have to
check the macro in calling place. Based on above adjustment,
do proper code cleanup for option parsing of fault_injection.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Reviewed-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/erofs/super.c | 34 |
1 files changed, 21 insertions, 13 deletions
diff --git a/drivers/staging/erofs/super.c b/drivers/staging/erofs/super.c index 5b87f5990b23..b4d33a71ec5f 100644 --- a/drivers/staging/erofs/super.c +++ b/drivers/staging/erofs/super.c @@ -145,10 +145,14 @@ char *erofs_fault_name[FAULT_MAX] = { [FAULT_KMALLOC] = "kmalloc", }; -static void erofs_build_fault_attr(struct erofs_sb_info *sbi, - unsigned int rate) +static int erofs_build_fault_attr(struct erofs_sb_info *sbi, + substring_t *args) { struct erofs_fault_info *ffi = &sbi->fault_info; + int rate = 0; + + if (args->from && match_int(args, &rate)) + return -EINVAL; if (rate) { atomic_set(&ffi->inject_ops, 0); @@ -157,6 +161,16 @@ static void erofs_build_fault_attr(struct erofs_sb_info *sbi, } else { memset(ffi, 0, sizeof(struct erofs_fault_info)); } + + set_opt(sbi, FAULT_INJECTION); + return 0; +} +#else +static int erofs_build_fault_attr(struct erofs_sb_info *sbi, + substring_t *args) +{ + infoln("fault_injection options not supported"); + return 0; } #endif @@ -198,7 +212,7 @@ static int parse_options(struct super_block *sb, char *options) { substring_t args[MAX_OPT_ARGS]; char *p; - int arg = 0; + int err; if (!options) return 0; @@ -243,18 +257,12 @@ static int parse_options(struct super_block *sb, char *options) infoln("noacl options not supported"); break; #endif -#ifdef CONFIG_EROFS_FAULT_INJECTION case Opt_fault_injection: - if (args->from && match_int(args, &arg)) - return -EINVAL; - erofs_build_fault_attr(EROFS_SB(sb), arg); - set_opt(EROFS_SB(sb), FAULT_INJECTION); + err = erofs_build_fault_attr(EROFS_SB(sb), args); + if (err) + return err; break; -#else - case Opt_fault_injection: - infoln("fault_injection options not supported"); - break; -#endif + default: errln("Unrecognized mount option \"%s\" " "or missing value", p); |