svn commit: r236465 - in head/sys: kern sys

[Konstantin Belousov]

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