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-rw-r--r--include/sys/arc.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/sys/arc.h b/include/sys/arc.h
index 0961d4b4d..f88fe0298 100644
--- a/include/sys/arc.h
+++ b/include/sys/arc.h
@@ -51,6 +51,9 @@ typedef void arc_done_func_t(zio_t *zio, arc_buf_t *buf, void *private);
typedef void arc_prune_func_t(int64_t bytes, void *private);
typedef int arc_evict_func_t(void *private);
+/* Shared module parameters */
+extern int zfs_arc_average_blocksize;
+
/* generic arc_done_func_t's which you can use */
arc_done_func_t arc_bcopy_func;
arc_done_func_t arc_getbuf_func;