From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Fri, 6 Oct 2017 18:23:12 +0000 (-0700)
Subject: Fix abdstats kstat on 32-bit systems
X-Git-Tag: zfs-0.8.0-rc1~531
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=57f4ef2e819670f8b28760b32745e0729f8d80d7;p=zfs

Fix abdstats kstat on 32-bit systems

When decrementing the struct_size and scatter_chunk_waste kstats
the value needs to be cast to an int on 32-bit systems.

Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #6721
---

diff --git a/module/zfs/abd.c b/module/zfs/abd.c
index 765ac7fb7..3c7893dcd 100644
--- a/module/zfs/abd.c
+++ b/module/zfs/abd.c
@@ -571,7 +571,7 @@ static inline void
 abd_free_struct(abd_t *abd)
 {
 	kmem_cache_free(abd_cache, abd);
-	ABDSTAT_INCR(abdstat_struct_size, -sizeof (abd_t));
+	ABDSTAT_INCR(abdstat_struct_size, -(int)sizeof (abd_t));
 }
 
 /*
@@ -618,7 +618,7 @@ abd_free_scatter(abd_t *abd)
 	ABDSTAT_BUMPDOWN(abdstat_scatter_cnt);
 	ABDSTAT_INCR(abdstat_scatter_data_size, -(int)abd->abd_size);
 	ABDSTAT_INCR(abdstat_scatter_chunk_waste,
-	    abd->abd_size - P2ROUNDUP(abd->abd_size, PAGESIZE));
+	    (int)abd->abd_size - (int)P2ROUNDUP(abd->abd_size, PAGESIZE));
 
 	abd_free_struct(abd);
 }