diff options
Diffstat (limited to 'lib/fuse_lowlevel.c')
| -rw-r--r-- | lib/fuse_lowlevel.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/lib/fuse_lowlevel.c b/lib/fuse_lowlevel.c index aee22b4..2ede5f3 100644 --- a/lib/fuse_lowlevel.c +++ b/lib/fuse_lowlevel.c @@ -2013,6 +2013,7 @@ void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) struct fuse_session *se = req->se; size_t bufsize = se->bufsize; size_t outargsize = sizeof(outarg); + int extended_flags; (void) nodeid; if (se->debug) { @@ -2032,6 +2033,10 @@ void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) outarg.major = FUSE_KERNEL_VERSION; outarg.minor = FUSE_KERNEL_MINOR_VERSION; + extended_flags = arg->major > 7 || (arg->major == 7 && arg->minor >= 36); + fuse_log(FUSE_LOG_DEBUG, "fuse: protocol version: %u.%u, extended flags: %d\n", + arg->major, arg->minor, extended_flags); + if (arg->major < 7) { fuse_log(FUSE_LOG_ERR, "fuse: unsupported protocol version: %u.%u\n", arg->major, arg->minor); @@ -2092,8 +2097,13 @@ void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) bufsize = max_bufsize; } } - if (arg->flags & FUSE_PASSTHROUGH) - se->conn.capable |= FUSE_PASSTHROUGH; + if (extended_flags) { + if (arg->flags2 & (1 << 31)) + se->conn.capable |= FUSE_CAP_PASSTHROUGH; + } else { + if (arg->flags & (1 << 31)) + se->conn.capable |= FUSE_CAP_PASSTHROUGH; + } } else { se->conn.max_readahead = 0; } @@ -2206,8 +2216,12 @@ void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg) outarg.flags |= FUSE_WRITEBACK_CACHE; if (se->conn.want & FUSE_CAP_POSIX_ACL) outarg.flags |= FUSE_POSIX_ACL; - if (se->conn.want & FUSE_CAP_PASSTHROUGH) - outarg.flags |= FUSE_PASSTHROUGH; + if (se->conn.want & FUSE_CAP_PASSTHROUGH) { + if (extended_flags) + outarg.flags2 |= (1 << 31); + else + outarg.flags |= (1 << 31); + } if (se->conn.want & FUSE_CAP_CACHE_SYMLINKS) outarg.flags |= FUSE_CACHE_SYMLINKS; if (se->conn.want & FUSE_CAP_EXPLICIT_INVAL_DATA) |