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- Add 'show bio' DDB command.

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MFC after:	3 weeks
This commit is contained in:
lulf 2009-05-26 07:29:17 +00:00
parent 8a00db9f7f
commit 6ffe643641
1 changed files with 70 additions and 0 deletions
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70
sys/geom/geom_subr.c
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@ -1258,6 +1258,76 @@ DB_SHOW_COMMAND(geom, db_show_geom)
}
}
static void
db_print_bio_cmd(struct bio *bp)
{
printf(" cmd: ");
switch (bp->bio_cmd) {
case BIO_READ: printf("BIO_READ"); break;
case BIO_WRITE: printf("BIO_WRITE"); break;
case BIO_DELETE: printf("BIO_DELETE"); break;
case BIO_GETATTR: printf("BIO_GETATTR"); break;
case BIO_FLUSH: printf("BIO_FLUSH"); break;
case BIO_CMD0: printf("BIO_CMD0"); break;
case BIO_CMD1: printf("BIO_CMD1"); break;
case BIO_CMD2: printf("BIO_CMD2"); break;
default: printf("UNKNOWN"); break;
}
printf("\n");
}
static void
db_print_bio_flags(struct bio *bp)
{
int comma;
comma = 0;
printf(" flags: ");
if (bp->bio_flags & BIO_ERROR) {
printf("BIO_ERROR");
comma = 1;
}
if (bp->bio_flags & BIO_DONE) {
printf("%sBIO_ERROR", (comma ? ", " : ""));
comma = 1;
}
if (bp->bio_flags & BIO_ONQUEUE)
printf("%sBIO_ONQUEUE", (comma ? ", " : ""));
printf("\n");
}
/*
* Print useful information in a BIO
*/
DB_SHOW_COMMAND(bio, db_show_bio)
{
struct bio *bp;
if (have_addr) {
bp = (struct bio *)addr;
printf("BIO %p\n", bp);
db_print_bio_cmd(bp);
db_print_bio_flags(bp);
printf(" cflags: 0x%hhx\n", bp->bio_cflags);
printf(" pflags: 0x%hhx\n", bp->bio_pflags);
printf(" offset: %lld\n", bp->bio_offset);
printf(" length: %lld\n", bp->bio_length);
printf(" bcount: %ld\n", bp->bio_bcount);
printf(" resid: %ld\n", bp->bio_resid);
printf(" completed: %lld\n", bp->bio_completed);
printf(" children: %u\n", bp->bio_children);
printf(" inbed: %u\n", bp->bio_inbed);
printf(" error: %d\n", bp->bio_error);
printf(" parent: %p\n", bp->bio_parent);
printf(" driver1: %p\n", bp->bio_driver1);
printf(" driver2: %p\n", bp->bio_driver2);
printf(" caller1: %p\n", bp->bio_caller1);
printf(" caller2: %p\n", bp->bio_caller2);
printf(" bio_from: %p\n", bp->bio_from);
printf(" bio_to: %p\n", bp->bio_to);
}
}
#undef gprintf
#undef gprintln
#undef ADDFLAG