diff options
Diffstat (limited to 'toys/other/losetup.c')
| -rw-r--r-- | toys/other/losetup.c | 21 |
1 files changed, 7 insertions, 14 deletions
diff --git a/toys/other/losetup.c b/toys/other/losetup.c index 4e467a9c..e8f02aa9 100644 --- a/toys/other/losetup.c +++ b/toys/other/losetup.c @@ -45,16 +45,6 @@ GLOBALS( ino_t jino; ) -/* -todo: basic /dev file association - associate DEV FILE - #-a - cdfjosS - allocate new loop device: - /dev/loop-control - https://lkml.org/lkml/2011/7/26/148 -*/ - // -f: *device is NULL // Perform requested operation on one device. Returns 1 if handled, 0 if error @@ -75,8 +65,11 @@ static void loopback_setup(char *device, char *file) // mount -o loop depends on found device being at the start of toybuf. if (cfd != -1) { - if (0 <= (i = ioctl(cfd, 0x4C82))) // LOOP_CTL_GET_FREE + if (0 <= (i = ioctl(cfd, 0x4C82))) { // LOOP_CTL_GET_FREE sprintf(device = toybuf, "/dev/loop%d", i); + // Fallback for Android + if (access(toybuf, F_OK)) sprintf(toybuf, "/dev/block/loop%d", i); + } close(cfd); } } @@ -119,8 +112,8 @@ static void loopback_setup(char *device, char *file) free(s); } else if (flags & FLAG_f) printf("%s", device); else { - xprintf("%s: [%04llx]:%llu (%s)", device, loop->lo_device, loop->lo_inode, - loop->lo_file_name); + xprintf("%s: [%04llx]:%llu (%s)", device, (long long)loop->lo_device, + (long long)loop->lo_inode, loop->lo_file_name); if (loop->lo_offset) xprintf(", offset %llu", loop->lo_offset); if (loop->lo_sizelimit) xprintf(", sizelimit %llu", loop->lo_sizelimit); xputc('\n'); @@ -137,7 +130,7 @@ static int dash_a(struct dirtree *node) char *s = node->name; // Initial /dev node needs to recurse down one level, then only loop[0-9]* - if (*s == '/') return DIRTREE_RECURSE; + if (!node->parent) return DIRTREE_RECURSE; if (strncmp(s, "loop", 4) || !isdigit(s[4])) return 0; s = dirtree_path(node, 0); |