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| author | Byongho Lee <bhlee.kernel@gmail.com> | 2015-12-15 01:42:10 +0900 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-01-07 14:38:02 +0100 |
| commit | ee22184b53c823f6956314c2815d4068e3820737 (patch) | |
| tree | 3791157549663f2804529ba83b36019ee3e2cd2a /fs/btrfs/ctree.h | |
| parent | 7928d672ffb06085d06fe3c27a93549d37e53ab3 (diff) | |
| download | linux-ee22184b53c823f6956314c2815d4068e3820737.tar.bz2 | |
Btrfs: use linux/sizes.h to represent constants
We use many constants to represent size and offset value. And to make
code readable we use '256 * 1024 * 1024' instead of '268435456' to
represent '256MB'. However we can make far more readable with 'SZ_256MB'
which is defined in the 'linux/sizes.h'.
So this patch replaces 'xxx * 1024 * 1024' kind of expression with
single 'SZ_xxxMB' if 'xxx' is a power of 2 then 'xxx * SZ_1M' if 'xxx' is
not a power of 2. And I haven't touched to '4096' & '8192' because it's
more intuitive than 'SZ_4KB' & 'SZ_8KB'.
Signed-off-by: Byongho Lee <bhlee.kernel@gmail.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/ctree.h')
| -rw-r--r-- | fs/btrfs/ctree.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index eddc461fb964..6202557b694b 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -35,6 +35,7 @@ #include <linux/btrfs.h> #include <linux/workqueue.h> #include <linux/security.h> +#include <linux/sizes.h> #include "extent_io.h" #include "extent_map.h" #include "async-thread.h" @@ -196,9 +197,9 @@ static int btrfs_csum_sizes[] = { 4 }; /* ioprio of readahead is set to idle */ #define BTRFS_IOPRIO_READA (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_IDLE, 0)) -#define BTRFS_DIRTY_METADATA_THRESH (32 * 1024 * 1024) +#define BTRFS_DIRTY_METADATA_THRESH SZ_32M -#define BTRFS_MAX_EXTENT_SIZE (128 * 1024 * 1024) +#define BTRFS_MAX_EXTENT_SIZE SZ_128M /* * The key defines the order in the tree, and so it also defines (optimal) |