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-rw-r--r--fs/btrfs/free-space-cache.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index cfe99bec49de..1b2ff8b96968 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -30,7 +30,7 @@
#include "volumes.h"
#define BITS_PER_BITMAP (PAGE_CACHE_SIZE * 8)
-#define MAX_CACHE_BYTES_PER_GIG (32 * 1024)
+#define MAX_CACHE_BYTES_PER_GIG SZ_32K
struct btrfs_trim_range {
u64 start;
@@ -1656,11 +1656,10 @@ static void recalculate_thresholds(struct btrfs_free_space_ctl *ctl)
* at or below 32k, so we need to adjust how much memory we allow to be
* used by extent based free space tracking
*/
- if (size < 1024 * 1024 * 1024)
+ if (size < SZ_1G)
max_bytes = MAX_CACHE_BYTES_PER_GIG;
else
- max_bytes = MAX_CACHE_BYTES_PER_GIG *
- div_u64(size, 1024 * 1024 * 1024);
+ max_bytes = MAX_CACHE_BYTES_PER_GIG * div_u64(size, SZ_1G);
/*
* we want to account for 1 more bitmap than what we have so we can make
@@ -2489,8 +2488,7 @@ void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group)
* track of free space, and if we pass 1/2 of that we want to
* start converting things over to using bitmaps
*/
- ctl->extents_thresh = ((1024 * 32) / 2) /
- sizeof(struct btrfs_free_space);
+ ctl->extents_thresh = (SZ_32K / 2) / sizeof(struct btrfs_free_space);
}
/*