diff options
Diffstat (limited to 'util/fusermount.c')
| -rw-r--r-- | util/fusermount.c | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/util/fusermount.c b/util/fusermount.c index 40df490..80808c8 100644 --- a/util/fusermount.c +++ b/util/fusermount.c @@ -33,6 +33,7 @@ #include <sys/fsuid.h> #include <sys/socket.h> #include <sys/un.h> +#include <sys/utsname.h> #define FUSE_COMMFD_ENV "_FUSE_COMMFD" @@ -463,15 +464,31 @@ static int do_mount(const char *mnt, const char *type, mode_t rootmode, !begins_with(s, "uid=")) { int on; int flag; - if (find_mount_flag(s, len, &on, &flag)) { - if (on) - flags |= flag; - else - flags &= ~flag; - } else { - memcpy(d, s, len); - d += len; - *d++ = ','; + int skip_option = 0; + const char *large_read_opt = "large_read"; + if (len == strlen(large_read_opt) && + strncmp(large_read_opt, s, len) == 0) { + struct utsname utsname; + unsigned kmaj, kmin; + res = uname(&utsname); + if (res == 0 && + sscanf(utsname.release, "%u.%u", &kmaj, &kmin) == 2 && + (kmaj > 2 || (kmaj == 2 && kmin > 4))) { + fprintf(stderr, "%s: note: 'large_read' mount option is deprecated for %i.%i kernels\n", progname, kmaj, kmin); + skip_option = 1; + } + } + if (!skip_option) { + if (find_mount_flag(s, len, &on, &flag)) { + if (on) + flags |= flag; + else + flags &= ~flag; + } else { + memcpy(d, s, len); + d += len; + *d++ = ','; + } } } s += len; |