Author: kib
Date: Sat Jun 2 18:44:40 2012
New Revision: 236465
URL: http://svn.freebsd.org/changeset/base/236465
Log:
Update the print mask for decoding b_flags. Add print masks for
b_vflags and b_xflags_t and print them as well.
MFC after: 1 week
Modified:
head/sys/kern/vfs_bio.c
head/sys/sys/buf.h
Modified: head/sys/kern/vfs_bio.c
==============================================================================
--- head/sys/kern/vfs_bio.c Sat Jun 2 18:36:29 2012 (r236464)
+++ head/sys/kern/vfs_bio.c Sat Jun 2 18:44:40 2012 (r236465)
@@ -3995,7 +3995,9 @@ DB_SHOW_COMMAND(buffer, db_show_buffer)
}
db_printf("buf at %p\n", bp);
- db_printf("b_flags = 0x%b\n", (u_int)bp->b_flags, PRINT_BUF_FLAGS);
+ db_printf("b_flags = 0x%b b_xflags=0x%b b_vflags=0x%b\n",
+ (u_int)bp->b_flags, PRINT_BUF_FLAGS, (u_int)bp->b_xflags,
+ PRINT_BUF_XFLAGS, (u_int)bp->b_vflags, PRINT_BUF_VFLAGS);
db_printf(
"b_error = %d, b_bufsize = %ld, b_bcount = %ld, b_resid = %ld\n"
"b_bufobj = (%p), b_data = %p, b_blkno = %jd, b_lblkno = %jd, "
Modified: head/sys/sys/buf.h
==============================================================================
--- head/sys/sys/buf.h Sat Jun 2 18:36:29 2012 (r236464)
+++ head/sys/sys/buf.h Sat Jun 2 18:44:40 2012 (r236465)
@@ -224,8 +224,8 @@ struct buf {
#define B_CLUSTER 0x40000000 /* pagein op, so swap() can count it */
#define B_REMFREE 0x80000000 /* Delayed bremfree */
-#define PRINT_BUF_FLAGS "\20\40remfree\37cluster\36vmio\35ram\34b27" \
- "\33paging\32b25\31b24\30b23\27relbuf\26dirty\25b20" \
+#define PRINT_BUF_FLAGS "\20\40remfree\37cluster\36vmio\35ram\34managed" \
+ "\33paging\32needsgiant\31nocopy\30b23\27relbuf\26dirty\25b20" \
"\24b19\23b18\22clusterok\21malloc\20nocache\17b14\16inval" \
"\15b12\14b11\13eintr\12done\11persist\10delwri\7validsuspwrt" \
"\6cache\5deferred\4direct\3async\2needcommit\1age"
@@ -239,6 +239,8 @@ struct buf {
#define BX_BKGRDMARKER 0x00000020 /* Mark buffer for splay tree */
#define BX_ALTDATA 0x00000040 /* Holds extended data */
+#define PRINT_BUF_XFLAGS
"\20\7altdata\6bkgrdmarker\5bkgrdwrite\2clean\1dirty"
+
#define NOOFFSET (-1LL) /* No buffer offset calculated
yet */
/*
@@ -249,6 +251,8 @@ struct buf {
#define BV_BKGRDWAIT 0x00000004 /* Background write waiting */
#define BV_INFREECNT 0x80000000 /* buf is counted in
numfreebufs */
+#define PRINT_BUF_VFLAGS
"\20\40infreecnt\3bkrgwait\2bkgrdinprog\1scanned"
+
#ifdef _KERNEL
/*
* Buffer locking
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