diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 7647818b8c8a..149a4a575a09 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -34,6 +34,7 @@ #include "xfs_trace.h" #include "xfs_fsops.h" #include "xfs_cksum.h" +#include "xfs_sysfs.h" kmem_zone_t *xfs_log_ticket_zone; @@ -707,6 +708,11 @@ xfs_log_mount( } } + error = xfs_sysfs_init(&mp->m_log->l_kobj, &xfs_log_ktype, &mp->m_kobj, + "log"); + if (error) + goto out_destroy_ail; + /* Normal transactions can now occur */ mp->m_log->l_flags &= ~XLOG_ACTIVE_RECOVERY; @@ -947,6 +953,9 @@ xfs_log_unmount( xfs_log_quiesce(mp); xfs_trans_ail_destroy(mp); + + xfs_sysfs_del(&mp->m_log->l_kobj); + xlog_dealloc_log(mp->m_log); } diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h index 9bc403a9e54f..db7cbdeb2b42 100644 --- a/fs/xfs/xfs_log_priv.h +++ b/fs/xfs/xfs_log_priv.h @@ -405,6 +405,8 @@ struct xlog { struct xlog_grant_head l_reserve_head; struct xlog_grant_head l_write_head; + struct xfs_kobj l_kobj; + /* The following field are used for debugging; need to hold icloglock */ #ifdef DEBUG char *l_iclog_bak[XLOG_MAX_ICLOGS]; diff --git a/fs/xfs/xfs_sysfs.c b/fs/xfs/xfs_sysfs.c index ae9aa7a1a06a..88361d76f73a 100644 --- a/fs/xfs/xfs_sysfs.c +++ b/fs/xfs/xfs_sysfs.c @@ -18,6 +18,9 @@ #include "xfs.h" #include "xfs_sysfs.h" +#include "xfs_log_format.h" +#include "xfs_log.h" +#include "xfs_log_priv.h" struct xfs_sysfs_attr { struct attribute attr; @@ -47,3 +50,52 @@ to_attr(struct attribute *attr) struct kobj_type xfs_mp_ktype = { .release = xfs_sysfs_release, }; + +/* xlog */ + +static struct attribute *xfs_log_attrs[] = { + NULL, +}; + +static inline struct xlog * +to_xlog(struct kobject *kobject) +{ + struct xfs_kobj *kobj = to_kobj(kobject); + return container_of(kobj, struct xlog, l_kobj); +} + +STATIC ssize_t +xfs_log_show( + struct kobject *kobject, + struct attribute *attr, + char *buf) +{ + struct xlog *log = to_xlog(kobject); + struct xfs_sysfs_attr *xfs_attr = to_attr(attr); + + return xfs_attr->show ? xfs_attr->show(buf, log) : 0; +} + +STATIC ssize_t +xfs_log_store( + struct kobject *kobject, + struct attribute *attr, + const char *buf, + size_t count) +{ + struct xlog *log = to_xlog(kobject); + struct xfs_sysfs_attr *xfs_attr = to_attr(attr); + + return xfs_attr->store ? xfs_attr->store(buf, count, log) : 0; +} + +static struct sysfs_ops xfs_log_ops = { + .show = xfs_log_show, + .store = xfs_log_store, +}; + +struct kobj_type xfs_log_ktype = { + .release = xfs_sysfs_release, + .sysfs_ops = &xfs_log_ops, + .default_attrs = xfs_log_attrs, +}; diff --git a/fs/xfs/xfs_sysfs.h b/fs/xfs/xfs_sysfs.h index 4bd5fff75d0f..54a2091183c0 100644 --- a/fs/xfs/xfs_sysfs.h +++ b/fs/xfs/xfs_sysfs.h @@ -20,6 +20,7 @@ #define __XFS_SYSFS_H__ extern struct kobj_type xfs_mp_ktype; /* xfs_mount */ +extern struct kobj_type xfs_log_ktype; /* xlog */ static inline struct xfs_kobj * to_kobj(struct kobject *kobject)