diff options
Diffstat (limited to 'drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h')
| -rw-r--r-- | drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h index aa69c6a33d19..2e008bffc89a 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_fail.h @@ -38,6 +38,7 @@ extern unsigned long cfs_fail_loc; extern unsigned int cfs_fail_val; +extern int cfs_fail_err; extern wait_queue_head_t cfs_race_waitq; extern int cfs_race_state; @@ -70,9 +71,14 @@ enum { #define CFS_FAIL_RAND 0x08000000 /* fail 1/N of the times */ #define CFS_FAIL_USR1 0x04000000 /* user flag */ -#define CFS_FAIL_PRECHECK(id) (cfs_fail_loc && \ - (cfs_fail_loc & CFS_FAIL_MASK_LOC) == \ - ((id) & CFS_FAIL_MASK_LOC)) +#define CFS_FAULT 0x02000000 /* match any CFS_FAULT_CHECK */ + +static inline bool CFS_FAIL_PRECHECK(__u32 id) +{ + return cfs_fail_loc != 0 && + ((cfs_fail_loc & CFS_FAIL_MASK_LOC) == (id & CFS_FAIL_MASK_LOC) || + (cfs_fail_loc & id & CFS_FAULT)); +} static inline int cfs_fail_check_set(__u32 id, __u32 value, int set, int quiet) @@ -144,6 +150,9 @@ static inline int cfs_fail_timeout_set(__u32 id, __u32 value, int ms, int set) #define CFS_FAIL_TIMEOUT_MS_ORSET(id, value, ms) \ cfs_fail_timeout_set(id, value, ms, CFS_FAIL_LOC_ORSET) +#define CFS_FAULT_CHECK(id) \ + CFS_FAIL_CHECK(CFS_FAULT | (id)) + /* The idea here is to synchronise two threads to force a race. The * first thread that calls this with a matching fail_loc is put to * sleep. The next thread that calls with the same fail_loc wakes up |