diff options
| -rw-r--r-- | fs/xfs/xfs_sysfs.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index 88361d76f73a..9835139ce1ec 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -53,7 +53,71 @@ struct kobj_type xfs_mp_ktype = { /* xlog */ +STATIC ssize_t +log_head_lsn_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int block; + + spin_lock(&log->l_icloglock); + cycle = log->l_curr_cycle; + block = log->l_curr_block; + spin_unlock(&log->l_icloglock); + + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, block); +} +XFS_SYSFS_ATTR_RO(log_head_lsn); + +STATIC ssize_t +log_tail_lsn_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int block; + + xlog_crack_atomic_lsn(&log->l_tail_lsn, &cycle, &block); + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, block); +} +XFS_SYSFS_ATTR_RO(log_tail_lsn); + +STATIC ssize_t +reserve_grant_head_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int bytes; + + xlog_crack_grant_head(&log->l_reserve_head.grant, &cycle, &bytes); + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, bytes); +} +XFS_SYSFS_ATTR_RO(reserve_grant_head); + +STATIC ssize_t +write_grant_head_show( + char *buf, + void *data) +{ + struct xlog *log = data; + int cycle; + int bytes; + + xlog_crack_grant_head(&log->l_write_head.grant, &cycle, &bytes); + return snprintf(buf, PAGE_SIZE, "%d:%d\n", cycle, bytes); +} +XFS_SYSFS_ATTR_RO(write_grant_head); + 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), NULL, }; |