diff options
Diffstat (limited to 'util')
-rw-r--r-- | util/fusermount.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/util/fusermount.c b/util/fusermount.c index 014d4ea..9326037 100644 --- a/util/fusermount.c +++ b/util/fusermount.c @@ -575,6 +575,23 @@ static int check_mountpoint_empty(const char *mnt, mode_t rootmode, return 0; } +static int has_fuseblk(void) +{ + char buf[256]; + FILE *f = fopen("/proc/filesystems", "r"); + if (!f) + return 1; + + while (fgets(buf, sizeof(buf), f)) + if (strcmp(buf, "fuseblk\n") == 0) { + fclose(f); + return 1; + } + + fclose(f); + return 0; +} + static int do_mount(const char *mnt, const char **type, mode_t rootmode, int fd, const char *opts, const char *dev, char **fsnamep, char **mnt_optsp, off_t rootsize) @@ -686,7 +703,11 @@ static int do_mount(const char *mnt, const char **type, mode_t rootmode, res = mount(fsname, mnt, *type, flags, optbuf); } if (res == -1) { - fprintf(stderr, "%s: mount failed: %s\n", progname, strerror(errno)); + int errno_save = errno; + if (blkdev && errno == ENODEV && !has_fuseblk()) + fprintf(stderr, "%s: 'fuseblk' support missing; try the kernel module from fuse-2.6.0 or later\n", progname); + else + fprintf(stderr, "%s: mount failed: %s\n", progname, strerror(errno_save)); goto err; } else { *fsnamep = fsname; |