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block: Eliminate the S_1KiB, S_2KiB, ... macros

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We define 54 macros for the powers of two >= 1024.  We use six, in six
macro definitions.  Four of them could just as well use the common MiB
macro, so do that.  The remaining two can't, because they get passed
to stringify.  Replace the macro by the literal number there.
Slightly harder to read in one instance (1048576 vs. S_1MiB), so add a
comment there.  The other instance is a wash: 65536 vs S_64KiB.  65536
has been good enough for more than seven years there.

This effectively reverts commit 540b849261 and 1240ac558d.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Markus Armbruster 2019-01-11 20:14:01 +01:00 • committed by Kevin Wolf
parent d09ea2d227
commit 14632122b8
3 changed files with 7 additions and 79 deletions
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3
block/vdi.c
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@ -85,7 +85,8 @@
#define BLOCK_OPT_STATIC "static"
#define SECTOR_SIZE 512
#define DEFAULT_CLUSTER_SIZE S_1MiB
#define DEFAULT_CLUSTER_SIZE 1048576
/* Note: can't use 1 * MiB, because it's passed to stringify() */
#if defined(CONFIG_VDI_DEBUG)
#define VDI_DEBUG 1