diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c index 3e667c214..b763ceacc 100644 --- a/lib/bdev/bdev.c +++ b/lib/bdev/bdev.c @@ -71,12 +71,26 @@ static TAILQ_HEAD(, spdk_bdev) spdk_bdev_list = struct spdk_bdev *spdk_bdev_first(void) { - return TAILQ_FIRST(&spdk_bdev_list); + struct spdk_bdev *bdev; + + bdev = TAILQ_FIRST(&spdk_bdev_list); + if (bdev) { + SPDK_TRACELOG(SPDK_TRACE_DEBUG, "Starting bdev iteration at %s\n", bdev->name); + } + + return bdev; } struct spdk_bdev *spdk_bdev_next(struct spdk_bdev *prev) { - return TAILQ_NEXT(prev, link); + struct spdk_bdev *bdev; + + bdev = TAILQ_NEXT(prev, link); + if (bdev) { + SPDK_TRACELOG(SPDK_TRACE_DEBUG, "Continuing bdev iteration at %s\n", bdev->name); + } + + return bdev; } struct spdk_bdev *spdk_bdev_get_by_name(const char *bdev_name) @@ -85,10 +99,7 @@ struct spdk_bdev *spdk_bdev_get_by_name(const char *bdev_name) while (bdev != NULL) { if (strncmp(bdev_name, bdev->name, sizeof(bdev->name)) == 0) { - if (!bdev->claimed) { - bdev->claimed = true; - return bdev; - } + return bdev; } bdev = spdk_bdev_next(bdev); } @@ -789,6 +800,7 @@ spdk_bdev_register(struct spdk_bdev *bdev) bdev->poller.fn = spdk_bdev_do_work; bdev->poller.arg = bdev; + SPDK_TRACELOG(SPDK_TRACE_DEBUG, "Inserting bdev %s into list\n", bdev->name); TAILQ_INSERT_TAIL(&spdk_bdev_list, bdev, link); } @@ -797,6 +809,7 @@ spdk_bdev_unregister(struct spdk_bdev *bdev) { int rc; + SPDK_TRACELOG(SPDK_TRACE_DEBUG, "Removing bdev %s from list\n", bdev->name); TAILQ_REMOVE(&spdk_bdev_list, bdev, link); rc = bdev->fn_table->destruct(bdev->ctxt);