diff options
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_error.c | 3 | ||||
| -rw-r--r-- | fs/xfs/xfs_error.h | 4 | ||||
| -rw-r--r-- | fs/xfs/xfs_log.c | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_sysfs.c | 36 |
4 files changed, 7 insertions, 41 deletions
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c index a2f23d2..26c32bc 100644 --- a/fs/xfs/xfs_error.c +++ b/fs/xfs/xfs_error.c @@ -56,6 +56,7 @@ static unsigned int xfs_errortag_random_default[] = { XFS_RANDOM_BMAP_FINISH_ONE, XFS_RANDOM_AG_RESV_CRITICAL, XFS_RANDOM_DROP_WRITES, + XFS_RANDOM_LOG_BAD_CRC, }; struct xfs_errortag_attr { @@ -159,6 +160,7 @@ XFS_ERRORTAG_ATTR_RW(refcount_finish_one, XFS_ERRTAG_REFCOUNT_FINISH_ONE); XFS_ERRORTAG_ATTR_RW(bmap_finish_one, XFS_ERRTAG_BMAP_FINISH_ONE); XFS_ERRORTAG_ATTR_RW(ag_resv_critical, XFS_ERRTAG_AG_RESV_CRITICAL); XFS_ERRORTAG_ATTR_RW(drop_writes, XFS_ERRTAG_DROP_WRITES); +XFS_ERRORTAG_ATTR_RW(log_bad_crc, XFS_ERRTAG_LOG_BAD_CRC); static struct attribute *xfs_errortag_attrs[] = { XFS_ERRORTAG_ATTR_LIST(noerror), @@ -190,6 +192,7 @@ static struct attribute *xfs_errortag_attrs[] = { XFS_ERRORTAG_ATTR_LIST(bmap_finish_one), XFS_ERRORTAG_ATTR_LIST(ag_resv_critical), XFS_ERRORTAG_ATTR_LIST(drop_writes), + XFS_ERRORTAG_ATTR_LIST(log_bad_crc), NULL, }; diff --git a/fs/xfs/xfs_error.h b/fs/xfs/xfs_error.h index e0e4cf7..7577be5 100644 --- a/fs/xfs/xfs_error.h +++ b/fs/xfs/xfs_error.h @@ -105,7 +105,8 @@ extern void xfs_verifier_error(struct xfs_buf *bp); * handling sequence. */ #define XFS_ERRTAG_DROP_WRITES 28 -#define XFS_ERRTAG_MAX 29 +#define XFS_ERRTAG_LOG_BAD_CRC 29 +#define XFS_ERRTAG_MAX 30 /* * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. @@ -139,6 +140,7 @@ extern void xfs_verifier_error(struct xfs_buf *bp); #define XFS_RANDOM_BMAP_FINISH_ONE 1 #define XFS_RANDOM_AG_RESV_CRITICAL 4 #define XFS_RANDOM_DROP_WRITES 1 +#define XFS_RANDOM_LOG_BAD_CRC 1 #ifdef DEBUG extern int xfs_errortag_init(struct xfs_mount *mp); diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 2d1112e..31f11be 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -1841,7 +1841,6 @@ xlog_sync( /* calculcate the checksum */ iclog->ic_header.h_crc = xlog_cksum(log, &iclog->ic_header, iclog->ic_datap, size); -#ifdef DEBUG /* * Intentionally corrupt the log record CRC based on the error injection * frequency, if defined. This facilitates testing log recovery in the @@ -1849,15 +1848,13 @@ xlog_sync( * write on I/O completion and shutdown the fs. The subsequent mount * detects the bad CRC and attempts to recover. */ - if (log->l_badcrc_factor && - (prandom_u32() % log->l_badcrc_factor == 0)) { + if (XFS_TEST_ERROR(false, log->l_mp, XFS_ERRTAG_LOG_BAD_CRC)) { iclog->ic_header.h_crc &= cpu_to_le32(0xAAAAAAAA); iclog->ic_state |= XLOG_STATE_IOABORT; xfs_warn(log->l_mp, "Intentionally corrupted log record at LSN 0x%llx. Shutdown imminent.", be64_to_cpu(iclog->ic_header.h_lsn)); } -#endif bp->b_io_length = BTOBB(count); bp->b_fspriv = iclog; diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index 56610a9..8b2ccc2 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -305,47 +305,11 @@ write_grant_head_show( } XFS_SYSFS_ATTR_RO(write_grant_head); -#ifdef DEBUG -STATIC ssize_t -log_badcrc_factor_store( - struct kobject *kobject, - const char *buf, - size_t count) -{ - struct xlog *log = to_xlog(kobject); - int ret; - uint32_t val; - - ret = kstrtouint(buf, 0, &val); - if (ret) - return ret; - - log->l_badcrc_factor = val; - - return count; -} - -STATIC ssize_t -log_badcrc_factor_show( - struct kobject *kobject, - char *buf) -{ - struct xlog *log = to_xlog(kobject); - - return snprintf(buf, PAGE_SIZE, "%d\n", log->l_badcrc_factor); -} - -XFS_SYSFS_ATTR_RW(log_badcrc_factor); -#endif /* DEBUG */ - static struct attribute *xfs_log_attrs[] = { ATTR_LIST(log_head_lsn), ATTR_LIST(log_tail_lsn), ATTR_LIST(reserve_grant_head), ATTR_LIST(write_grant_head), -#ifdef DEBUG - ATTR_LIST(log_badcrc_factor), -#endif NULL, }; |
