From: Tomohiro Kusumi <kusumi.tomohiro@gmail.com>
Date: Sun, 13 Dec 2015 15:35:28 +0000 (+0900)
Subject: sbin/hammer: Check existence of PFS#0 when creating PFS
X-Git-Tag: v4.6.0rc~1183
X-Git-Url: https://gitweb.dragonflybsd.org/~tuxillo/dragonfly.git/commitdiff_plain/e1c333cb4490c25291b202f83f83717708899ea4

sbin/hammer: Check existence of PFS#0 when creating PFS

hammer_cmd_pseudofs_create() checks from PFS#0 to PFS#0xffff
to find available PFS#, but PFS#0 must always exist.
---

diff --git a/sbin/hammer/cmd_pfs.c b/sbin/hammer/cmd_pfs.c
index 5bc884b46d..009016149a 100644
--- a/sbin/hammer/cmd_pfs.c
+++ b/sbin/hammer/cmd_pfs.c
@@ -310,7 +310,12 @@ hammer_cmd_pseudofs_create(char **av, int ac, int is_slave)
 	if (pfs_id == HAMMER_MAX_PFS) {
 		fprintf(stderr, "Cannot create %s, all PFSs in use\n", path);
 		exit(1);
+	} else if (pfs_id == HAMMER_ROOT_PFSID) {
+		fprintf(stderr, "Fatal error: PFS#%d must exist\n",
+			HAMMER_ROOT_PFSID);
+		exit(1);
 	}
+
 	if (error != ENOENT) {
 		fprintf(stderr, "Cannot create %s, got %s during scan\n",
 			path, strerror(error));