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Shake unused stuff out of the flags in struct buf->b_flags.

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Poul-Henning Kamp 2002-05-04 19:40:34 +00:00
parent e1e3d2ca69
commit 60a084052b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=96039
1 changed files with 11 additions and 9 deletions
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20
sys/sys/buf.h
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@ -208,6 +208,7 @@ struct buf {
#define B_CACHE 0x00000020 /* Bread found us in the cache. */
#define B_VALIDSUSPWRT 0x00000040 /* Valid write during suspension. */
#define B_DELWRI 0x00000080 /* Delay I/O until buffer reused. */
#define B_00000100 0x00000100 /* Available flag. */
#define B_DONE 0x00000200 /* I/O completed. */
#define B_EINTR 0x00000400 /* I/O was interrupted */
#define B_NOWDRAIN 0x00000800 /* Avoid wdrain deadlock */
@ -218,12 +219,13 @@ struct buf {
#define B_MALLOC 0x00010000 /* malloced b_data */
#define B_CLUSTEROK 0x00020000 /* Pagein op, so swap() can count it. */
#define B_PHYS 0x00040000 /* I/O to user memory. */
#define B_RAW 0x00080000 /* Set by physio for raw transfers. */
#define B_DIRTY 0x00200000 /* Needs writing later. */
#define B_00080000 0x00080000 /* Available flag. */
#define B_00100000 0x00100000 /* Available flag. */
#define B_DIRTY 0x00200000 /* Needs writing later (in EXT2FS). */
#define B_RELBUF 0x00400000 /* Release VMIO buffer. */
#define B_WANT 0x00800000 /* Used by vm_pager.c */
#define B_00800000 0x00800000 /* Available flag. */
#define B_WRITEINPROG 0x01000000 /* Write in progress. */
#define B_XXX 0x02000000 /* Debugging flag. */
#define B_02000000 0x02000000 /* Available flag. */
#define B_PAGING 0x04000000 /* volatile paging I/O -- bypass VMIO */
#define B_08000000 0x08000000 /* Available flag. */
#define B_RAM 0x10000000 /* Read ahead mark (flag) */
@ -231,11 +233,11 @@ struct buf {
#define B_CLUSTER 0x40000000 /* pagein op, so swap() can count it */
#define B_80000000 0x80000000 /* Available flag. */
#define PRINT_BUF_FLAGS "\20\40autochain\37cluster\36vmio\35ram\34ordered" \
"\33paging\32xxx\31writeinprog\30want\27relbuf\26dirty" \
"\25read\24raw\23phys\22clusterok\21malloc\20nocache" \
"\17locked\16inval\15scanned\14error\13eintr\12done\11freebuf" \
"\10delwri\7call\6cache\4direct\3async\2needcommit\1age"
#define PRINT_BUF_FLAGS "\20\40b31\37cluster\36vmio\35ram\34b27" \
"\33paging\32b25\31writeinprog\30b23\27relbuf\26dirty\25b20" \
"\24b19\23phys\22clusterok\21malloc\20nocache\17locked\16inval" \
"\15scanned\14nowdrain\13eintr\12done\11b8\10delwri\7validsuspwrt" \
"\6cache\5deferred\4direct\3async\2needcommit\1age"
/*
* These flags are kept in b_xflags.