LU-13508 mdc: chlg device could be used after free

[fs/lustre-release.git] / lustre / mdc / mdc_internal.h

diff --git a/lustre/mdc/mdc_internal.h b/lustre/mdc/mdc_internal.h
index 81594bc..c7e4793 100644 (file)
--- a/lustre/mdc/mdc_internal.h
+++ b/lustre/mdc/mdc_internal.h
@@ -86,7 +86,10 @@ int mdc_enqueue(struct obd_export *exp, struct ldlm_enqueue_info *einfo,
                const union ldlm_policy_data *policy,
                struct md_op_data *op_data,
                struct lustre_handle *lockh, __u64 extra_lock_flags);
-
+int mdc_resource_get_unused_res(struct obd_export *exp,
+                               struct ldlm_res_id *res_id,
+                               struct list_head *cancels,
+                               enum ldlm_mode mode, __u64 bits);
 int mdc_resource_get_unused(struct obd_export *exp, const struct lu_fid *fid,
                            struct list_head *cancels, enum ldlm_mode mode,
                             __u64 bits);
@@ -146,6 +149,12 @@ enum ldlm_mode mdc_lock_match(struct obd_export *exp, __u64 flags,
                              enum ldlm_mode mode, struct lustre_handle *lockh);
 
 
+#define MDC_CHANGELOG_DEV_COUNT LMV_MAX_STRIPE_COUNT
+#define MDC_CHANGELOG_DEV_NAME "changelog"
+extern struct class *mdc_changelog_class;
+extern dev_t mdc_changelog_dev;
+extern struct idr mdc_changelog_minor_idr;
+
 int mdc_changelog_cdev_init(struct obd_device *obd);
 
 void mdc_changelog_cdev_finish(struct obd_device *obd);