LU-10496 tgt: move FMD handling from OFD to target

[fs/lustre-release.git] / lustre / target / tgt_internal.h

diff --git a/lustre/target/tgt_internal.h b/lustre/target/tgt_internal.h
index 9539da0..ac7c3c1 100644 (file)
--- a/lustre/target/tgt_internal.h
+++ b/lustre/target/tgt_internal.h
@@ -288,4 +288,18 @@ void tgt_cancel_slc_locks(struct lu_target *tgt, __u64 transno);
 void barrier_init(void);
 void barrier_fini(void);
 
+/* FMD tracking data */
+struct tgt_fmd_data {
+       struct list_head fmd_list;        /* linked to tgt_fmd_list */
+       struct lu_fid    fmd_fid;         /* FID being written to */
+       __u64            fmd_mactime_xid; /* xid highest {m,a,c}time setattr */
+       time64_t         fmd_expire;      /* time when the fmd should expire */
+       int              fmd_refcount;    /* reference counter - list holds 1 */
+};
+
+/* tgt_fmd.c */
+extern struct kmem_cache *tgt_fmd_kmem;
+void tgt_fmd_expire(struct obd_export *exp);
+void tgt_fmd_cleanup(struct obd_export *exp);
+
 #endif /* _TG_INTERNAL_H */