applying fix from:

     0000068: mount limited to max 8 loop devices (patch provided)  

(made minor wording change for config help message)

2 files changed, 9 insertions, 1 deletions

diff --git a/libbb/loop.c b/libbb/loop.c
index 8c3ad2ce0..19bbf3674 100644
--- a/libbb/loop.c
+++ b/libbb/loop.c
@@ -132,7 +132,7 @@ extern char *find_unused_loop_device(void)
         struct stat statbuf;
         struct loop_info loopinfo;
 
-        for (i = 0; i <= 7; i++) {
+        for (i = 0; i <= CONFIG_FEATURE_MOUNT_LOOP_MAX; i++) {
                 sprintf(dev, LOOP_FORMAT, i);
                 if (stat(dev, &statbuf) == 0 && S_ISBLK(statbuf.st_mode)) {
                         if ((fd = open(dev, O_RDONLY)) >= 0) {
diff --git a/util-linux/Config.in b/util-linux/Config.in
index b54165409..7007915ba 100644
--- a/util-linux/Config.in
+++ b/util-linux/Config.in
@@ -349,6 +349,14 @@ config CONFIG_FEATURE_MOUNT_LOOP
           if you need to do something advanced, such as specify an offset or cryptographic
           options to the loopback device.
 
+config CONFIG_FEATURE_MOUNT_LOOP_MAX
+        int "    max number of loop devices"
+        default 7
+        depends on CONFIG_FEATURE_MOUNT_LOOP
+        help
+          This option sets the highest numbered loop device to be used
+          automatically by the '-o loop' feature of mount.
+
 config CONFIG_FEATURE_MTAB_SUPPORT
         bool "  Support for a /etc/mtab file (instead of symlink to /proc/mounts)"
         default n