diff options
| -rw-r--r-- | sys/geom/geom_subr.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/sys/geom/geom_subr.c b/sys/geom/geom_subr.c index b67c0d5..d9f6244 100644 --- a/sys/geom/geom_subr.c +++ b/sys/geom/geom_subr.c @@ -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 |
