svn commit: r343457 - in head/sys: kern sys

[Kirk McKusick]

Author: mckusick
Date: Fri Jan 25 21:24:09 2019
New Revision: 343457
URL: https://svnweb.freebsd.org/changeset/base/343457

Log:
  Add printing of b_ioflags to DDB `show buffer' command.
  
  Sponsored by: Netflix

Modified:
  head/sys/kern/vfs_bio.c
  head/sys/sys/bio.h

Modified: head/sys/kern/vfs_bio.c
==============================================================================
--- head/sys/kern/vfs_bio.c	Fri Jan 25 20:54:18 2019	(r343456)
+++ head/sys/kern/vfs_bio.c	Fri Jan 25 21:24:09 2019	(r343457)
@@ -5329,9 +5329,12 @@ DB_SHOW_COMMAND(buffer, db_show_buffer)
 	}
 
 	db_printf("buf at %p\n", bp);
-	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_flags = 0x%b, b_xflags=0x%b\n",
+	    (u_int)bp->b_flags, PRINT_BUF_FLAGS,
+	    (u_int)bp->b_xflags, PRINT_BUF_XFLAGS);
+	db_printf("b_vflags=0x%b b_ioflags0x%b\n",
+	    (u_int)bp->b_vflags, PRINT_BUF_VFLAGS,
+	    (u_int)bp->b_ioflags, PRINT_BIO_FLAGS);
 	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/bio.h
==============================================================================
--- head/sys/sys/bio.h	Fri Jan 25 20:54:18 2019	(r343456)
+++ head/sys/sys/bio.h	Fri Jan 25 21:24:09 2019	(r343457)
@@ -67,6 +67,9 @@
 #define	BIO_TRANSIENT_MAPPING	0x20
 #define	BIO_VLIST	0x40
 
+#define	PRINT_BIO_FLAGS "\20\7vlist\6transient_mapping\5unmapped" \
+	"\4ordered\3onqueue\2done\1error"
+
 #ifdef _KERNEL
 struct disk;
 struct bio;