diff options
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ec978b44..1351178 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -48,15 +48,36 @@ enum { FAULT_MAX, }; -extern u32 f2fs_fault_rate; -extern atomic_t f2fs_ops; +struct f2fs_fault_info { + atomic_t inject_ops; + unsigned int inject_rate; + unsigned int inject_type; +}; + +extern struct f2fs_fault_info f2fs_fault; extern char *fault_name[FAULT_MAX]; +#define IS_FAULT_SET(type) (f2fs_fault.inject_type & (1 << (type))) static inline bool time_to_inject(int type) { - atomic_inc(&f2fs_ops); - if (f2fs_fault_rate && (atomic_read(&f2fs_ops) >= f2fs_fault_rate)) { - atomic_set(&f2fs_ops, 0); + if (!f2fs_fault.inject_rate) + return false; + if (type == FAULT_KMALLOC && !IS_FAULT_SET(type)) + return false; + else if (type == FAULT_PAGE_ALLOC && !IS_FAULT_SET(type)) + return false; + else if (type == FAULT_ALLOC_NID && !IS_FAULT_SET(type)) + return false; + else if (type == FAULT_ORPHAN && !IS_FAULT_SET(type)) + return false; + else if (type == FAULT_BLOCK && !IS_FAULT_SET(type)) + return false; + else if (type == FAULT_DIR_DEPTH && !IS_FAULT_SET(type)) + return false; + + atomic_inc(&f2fs_fault.inject_ops); + if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) { + atomic_set(&f2fs_fault.inject_ops, 0); printk("%sF2FS-fs : inject %s in %pF\n", KERN_INFO, fault_name[type], |
