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Block protocol: use own [RW]_BIT definitions

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The original R_BIT and W_BIT definitions have nothing to do with the
way these bits are used. Their distinct usage is more apparent when
they have different names.

Change-Id: Ia984457f900078b2e3502ceed565fead4e5bb965
This commit is contained in:
David van Moolenbroek
2013-07-27 00:49:49 +02:00
committed by Lionel Sambuc
parent 3fb735cc74
commit 113635b019
11 changed files with 21 additions and 12 deletions
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4
include/minix/com.h
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@@ -1329,6 +1329,10 @@
#define BDEV_POS_LO m10_l2 /* transfer position (low bits) */
#define BDEV_POS_HI m10_l3 /* transfer position (high bits) */
/* Bits in 'BDEV_ACCESS' field of block device open requests. */
# define BDEV_R_BIT 0x01 /* open with read access */
# define BDEV_W_BIT 0x02 /* open with write access */
/* Bits in 'BDEV_FLAGS' field of block device transfer requests. */
# define BDEV_NOFLAGS 0x00 /* no flags are set */
# define BDEV_FORCEWRITE 0x01 /* force write to disk immediately */