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qemu-kvm/SOURCES/kvm-virtiofsd-Trim-out-compatibility-code.patch

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From ff16b837e402de773581f77ca188f8806c0b500f Mon Sep 17 00:00:00 2001
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Date: Mon, 27 Jan 2020 19:00:51 +0100
Subject: [PATCH 020/116] virtiofsd: Trim out compatibility code
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: <20200127190227.40942-17-dgilbert@redhat.com>
Patchwork-id: 93468
O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 016/112] virtiofsd: Trim out compatibility code
Bugzilla: 1694164
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
virtiofsd only supports major=7, minor>=31; trim out a lot of
old compatibility code.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
(cherry picked from commit 72c42e2d65510e073cf78fdc924d121c77fa0080)
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
tools/virtiofsd/fuse_lowlevel.c | 330 +++++++++++++++-------------------------
1 file changed, 119 insertions(+), 211 deletions(-)
diff --git a/tools/virtiofsd/fuse_lowlevel.c b/tools/virtiofsd/fuse_lowlevel.c
index 07fb8a6..514d79c 100644
--- a/tools/virtiofsd/fuse_lowlevel.c
+++ b/tools/virtiofsd/fuse_lowlevel.c
@@ -387,16 +387,7 @@ static void fill_open(struct fuse_open_out *arg, const struct fuse_file_info *f)
int fuse_reply_entry(fuse_req_t req, const struct fuse_entry_param *e)
{
struct fuse_entry_out arg;
- size_t size = req->se->conn.proto_minor < 9 ? FUSE_COMPAT_ENTRY_OUT_SIZE :
- sizeof(arg);
-
- /*
- * before ABI 7.4 e->ino == 0 was invalid, only ENOENT meant
- * negative entry
- */
- if (!e->ino && req->se->conn.proto_minor < 4) {
- return fuse_reply_err(req, ENOENT);
- }
+ size_t size = sizeof(arg);
memset(&arg, 0, sizeof(arg));
fill_entry(&arg, e);
@@ -407,9 +398,7 @@ int fuse_reply_create(fuse_req_t req, const struct fuse_entry_param *e,
const struct fuse_file_info *f)
{
char buf[sizeof(struct fuse_entry_out) + sizeof(struct fuse_open_out)];
- size_t entrysize = req->se->conn.proto_minor < 9 ?
- FUSE_COMPAT_ENTRY_OUT_SIZE :
- sizeof(struct fuse_entry_out);
+ size_t entrysize = sizeof(struct fuse_entry_out);
struct fuse_entry_out *earg = (struct fuse_entry_out *)buf;
struct fuse_open_out *oarg = (struct fuse_open_out *)(buf + entrysize);
@@ -423,8 +412,7 @@ int fuse_reply_attr(fuse_req_t req, const struct stat *attr,
double attr_timeout)
{
struct fuse_attr_out arg;
- size_t size =
- req->se->conn.proto_minor < 9 ? FUSE_COMPAT_ATTR_OUT_SIZE : sizeof(arg);
+ size_t size = sizeof(arg);
memset(&arg, 0, sizeof(arg));
arg.attr_valid = calc_timeout_sec(attr_timeout);
@@ -519,8 +507,7 @@ int fuse_reply_data(fuse_req_t req, struct fuse_bufvec *bufv)
int fuse_reply_statfs(fuse_req_t req, const struct statvfs *stbuf)
{
struct fuse_statfs_out arg;
- size_t size =
- req->se->conn.proto_minor < 4 ? FUSE_COMPAT_STATFS_SIZE : sizeof(arg);
+ size_t size = sizeof(arg);
memset(&arg, 0, sizeof(arg));
convert_statfs(stbuf, &arg.st);
@@ -604,45 +591,31 @@ int fuse_reply_ioctl_retry(fuse_req_t req, const struct iovec *in_iov,
iov[count].iov_len = sizeof(arg);
count++;
- if (req->se->conn.proto_minor < 16) {
- if (in_count) {
- iov[count].iov_base = (void *)in_iov;
- iov[count].iov_len = sizeof(in_iov[0]) * in_count;
- count++;
- }
+ /* Can't handle non-compat 64bit ioctls on 32bit */
+ if (sizeof(void *) == 4 && req->ioctl_64bit) {
+ res = fuse_reply_err(req, EINVAL);
+ goto out;
+ }
- if (out_count) {
- iov[count].iov_base = (void *)out_iov;
- iov[count].iov_len = sizeof(out_iov[0]) * out_count;
- count++;
+ if (in_count) {
+ in_fiov = fuse_ioctl_iovec_copy(in_iov, in_count);
+ if (!in_fiov) {
+ goto enomem;
}
- } else {
- /* Can't handle non-compat 64bit ioctls on 32bit */
- if (sizeof(void *) == 4 && req->ioctl_64bit) {
- res = fuse_reply_err(req, EINVAL);
- goto out;
- }
-
- if (in_count) {
- in_fiov = fuse_ioctl_iovec_copy(in_iov, in_count);
- if (!in_fiov) {
- goto enomem;
- }
- iov[count].iov_base = (void *)in_fiov;
- iov[count].iov_len = sizeof(in_fiov[0]) * in_count;
- count++;
+ iov[count].iov_base = (void *)in_fiov;
+ iov[count].iov_len = sizeof(in_fiov[0]) * in_count;
+ count++;
+ }
+ if (out_count) {
+ out_fiov = fuse_ioctl_iovec_copy(out_iov, out_count);
+ if (!out_fiov) {
+ goto enomem;
}
- if (out_count) {
- out_fiov = fuse_ioctl_iovec_copy(out_iov, out_count);
- if (!out_fiov) {
- goto enomem;
- }
- iov[count].iov_base = (void *)out_fiov;
- iov[count].iov_len = sizeof(out_fiov[0]) * out_count;
- count++;
- }
+ iov[count].iov_base = (void *)out_fiov;
+ iov[count].iov_len = sizeof(out_fiov[0]) * out_count;
+ count++;
}
res = send_reply_iov(req, 0, iov, count);
@@ -784,14 +757,12 @@ static void do_getattr(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
struct fuse_file_info *fip = NULL;
struct fuse_file_info fi;
- if (req->se->conn.proto_minor >= 9) {
- struct fuse_getattr_in *arg = (struct fuse_getattr_in *)inarg;
+ struct fuse_getattr_in *arg = (struct fuse_getattr_in *)inarg;
- if (arg->getattr_flags & FUSE_GETATTR_FH) {
- memset(&fi, 0, sizeof(fi));
- fi.fh = arg->fh;
- fip = &fi;
- }
+ if (arg->getattr_flags & FUSE_GETATTR_FH) {
+ memset(&fi, 0, sizeof(fi));
+ fi.fh = arg->fh;
+ fip = &fi;
}
if (req->se->op.getattr) {
@@ -856,11 +827,7 @@ static void do_mknod(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
struct fuse_mknod_in *arg = (struct fuse_mknod_in *)inarg;
char *name = PARAM(arg);
- if (req->se->conn.proto_minor >= 12) {
- req->ctx.umask = arg->umask;
- } else {
- name = (char *)inarg + FUSE_COMPAT_MKNOD_IN_SIZE;
- }
+ req->ctx.umask = arg->umask;
if (req->se->op.mknod) {
req->se->op.mknod(req, nodeid, name, arg->mode, arg->rdev);
@@ -873,9 +840,7 @@ static void do_mkdir(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
{
struct fuse_mkdir_in *arg = (struct fuse_mkdir_in *)inarg;
- if (req->se->conn.proto_minor >= 12) {
- req->ctx.umask = arg->umask;
- }
+ req->ctx.umask = arg->umask;
if (req->se->op.mkdir) {
req->se->op.mkdir(req, nodeid, PARAM(arg), arg->mode);
@@ -967,11 +932,7 @@ static void do_create(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
memset(&fi, 0, sizeof(fi));
fi.flags = arg->flags;
- if (req->se->conn.proto_minor >= 12) {
- req->ctx.umask = arg->umask;
- } else {
- name = (char *)inarg + sizeof(struct fuse_open_in);
- }
+ req->ctx.umask = arg->umask;
req->se->op.create(req, nodeid, name, arg->mode, &fi);
} else {
@@ -1003,10 +964,8 @@ static void do_read(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
memset(&fi, 0, sizeof(fi));
fi.fh = arg->fh;
- if (req->se->conn.proto_minor >= 9) {
- fi.lock_owner = arg->lock_owner;
- fi.flags = arg->flags;
- }
+ fi.lock_owner = arg->lock_owner;
+ fi.flags = arg->flags;
req->se->op.read(req, nodeid, arg->size, arg->offset, &fi);
} else {
fuse_reply_err(req, ENOSYS);
@@ -1023,13 +982,9 @@ static void do_write(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
fi.fh = arg->fh;
fi.writepage = (arg->write_flags & FUSE_WRITE_CACHE) != 0;
- if (req->se->conn.proto_minor < 9) {
- param = ((char *)arg) + FUSE_COMPAT_WRITE_IN_SIZE;
- } else {
- fi.lock_owner = arg->lock_owner;
- fi.flags = arg->flags;
- param = PARAM(arg);
- }
+ fi.lock_owner = arg->lock_owner;
+ fi.flags = arg->flags;
+ param = PARAM(arg);
if (req->se->op.write) {
req->se->op.write(req, nodeid, param, arg->size, arg->offset, &fi);
@@ -1053,21 +1008,14 @@ static void do_write_buf(fuse_req_t req, fuse_ino_t nodeid, const void *inarg,
fi.fh = arg->fh;
fi.writepage = arg->write_flags & FUSE_WRITE_CACHE;
- if (se->conn.proto_minor < 9) {
- bufv.buf[0].mem = ((char *)arg) + FUSE_COMPAT_WRITE_IN_SIZE;
- bufv.buf[0].size -=
- sizeof(struct fuse_in_header) + FUSE_COMPAT_WRITE_IN_SIZE;
- assert(!(bufv.buf[0].flags & FUSE_BUF_IS_FD));
- } else {
- fi.lock_owner = arg->lock_owner;
- fi.flags = arg->flags;
- if (!(bufv.buf[0].flags & FUSE_BUF_IS_FD)) {
- bufv.buf[0].mem = PARAM(arg);
- }
-
- bufv.buf[0].size -=
- sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in);
+ fi.lock_owner = arg->lock_owner;
+ fi.flags = arg->flags;
+ if (!(bufv.buf[0].flags & FUSE_BUF_IS_FD)) {
+ bufv.buf[0].mem = PARAM(arg);
}
+
+ bufv.buf[0].size -=
+ sizeof(struct fuse_in_header) + sizeof(struct fuse_write_in);
if (bufv.buf[0].size < arg->size) {
fuse_log(FUSE_LOG_ERR, "fuse: do_write_buf: buffer size too small\n");
fuse_reply_err(req, EIO);
@@ -1086,9 +1034,7 @@ static void do_flush(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
memset(&fi, 0, sizeof(fi));
fi.fh = arg->fh;
fi.flush = 1;
- if (req->se->conn.proto_minor >= 7) {
- fi.lock_owner = arg->lock_owner;
- }
+ fi.lock_owner = arg->lock_owner;
if (req->se->op.flush) {
req->se->op.flush(req, nodeid, &fi);
@@ -1105,10 +1051,8 @@ static void do_release(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
memset(&fi, 0, sizeof(fi));
fi.flags = arg->flags;
fi.fh = arg->fh;
- if (req->se->conn.proto_minor >= 8) {
- fi.flush = (arg->release_flags & FUSE_RELEASE_FLUSH) ? 1 : 0;
- fi.lock_owner = arg->lock_owner;
- }
+ fi.flush = (arg->release_flags & FUSE_RELEASE_FLUSH) ? 1 : 0;
+ fi.lock_owner = arg->lock_owner;
if (arg->release_flags & FUSE_RELEASE_FLOCK_UNLOCK) {
fi.flock_release = 1;
fi.lock_owner = arg->lock_owner;
@@ -1477,8 +1421,7 @@ static void do_ioctl(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
memset(&fi, 0, sizeof(fi));
fi.fh = arg->fh;
- if (sizeof(void *) == 4 && req->se->conn.proto_minor >= 16 &&
- !(flags & FUSE_IOCTL_32BIT)) {
+ if (sizeof(void *) == 4 && !(flags & FUSE_IOCTL_32BIT)) {
req->ioctl_64bit = 1;
}
@@ -1603,7 +1546,7 @@ static 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;
- if (arg->major < 7) {
+ if (arg->major < 7 || (arg->major == 7 && arg->minor < 31)) {
fuse_log(FUSE_LOG_ERR, "fuse: unsupported protocol version: %u.%u\n",
arg->major, arg->minor);
fuse_reply_err(req, EPROTO);
@@ -1616,81 +1559,71 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
return;
}
- if (arg->minor >= 6) {
- if (arg->max_readahead < se->conn.max_readahead) {
- se->conn.max_readahead = arg->max_readahead;
- }
- if (arg->flags & FUSE_ASYNC_READ) {
- se->conn.capable |= FUSE_CAP_ASYNC_READ;
- }
- if (arg->flags & FUSE_POSIX_LOCKS) {
- se->conn.capable |= FUSE_CAP_POSIX_LOCKS;
- }
- if (arg->flags & FUSE_ATOMIC_O_TRUNC) {
- se->conn.capable |= FUSE_CAP_ATOMIC_O_TRUNC;
- }
- if (arg->flags & FUSE_EXPORT_SUPPORT) {
- se->conn.capable |= FUSE_CAP_EXPORT_SUPPORT;
- }
- if (arg->flags & FUSE_DONT_MASK) {
- se->conn.capable |= FUSE_CAP_DONT_MASK;
- }
- if (arg->flags & FUSE_FLOCK_LOCKS) {
- se->conn.capable |= FUSE_CAP_FLOCK_LOCKS;
- }
- if (arg->flags & FUSE_AUTO_INVAL_DATA) {
- se->conn.capable |= FUSE_CAP_AUTO_INVAL_DATA;
- }
- if (arg->flags & FUSE_DO_READDIRPLUS) {
- se->conn.capable |= FUSE_CAP_READDIRPLUS;
- }
- if (arg->flags & FUSE_READDIRPLUS_AUTO) {
- se->conn.capable |= FUSE_CAP_READDIRPLUS_AUTO;
- }
- if (arg->flags & FUSE_ASYNC_DIO) {
- se->conn.capable |= FUSE_CAP_ASYNC_DIO;
- }
- if (arg->flags & FUSE_WRITEBACK_CACHE) {
- se->conn.capable |= FUSE_CAP_WRITEBACK_CACHE;
- }
- if (arg->flags & FUSE_NO_OPEN_SUPPORT) {
- se->conn.capable |= FUSE_CAP_NO_OPEN_SUPPORT;
- }
- if (arg->flags & FUSE_PARALLEL_DIROPS) {
- se->conn.capable |= FUSE_CAP_PARALLEL_DIROPS;
- }
- if (arg->flags & FUSE_POSIX_ACL) {
- se->conn.capable |= FUSE_CAP_POSIX_ACL;
- }
- if (arg->flags & FUSE_HANDLE_KILLPRIV) {
- se->conn.capable |= FUSE_CAP_HANDLE_KILLPRIV;
- }
- if (arg->flags & FUSE_NO_OPENDIR_SUPPORT) {
- se->conn.capable |= FUSE_CAP_NO_OPENDIR_SUPPORT;
- }
- if (!(arg->flags & FUSE_MAX_PAGES)) {
- size_t max_bufsize =
- FUSE_DEFAULT_MAX_PAGES_PER_REQ * getpagesize() +
- FUSE_BUFFER_HEADER_SIZE;
- if (bufsize > max_bufsize) {
- bufsize = max_bufsize;
- }
+ if (arg->max_readahead < se->conn.max_readahead) {
+ se->conn.max_readahead = arg->max_readahead;
+ }
+ if (arg->flags & FUSE_ASYNC_READ) {
+ se->conn.capable |= FUSE_CAP_ASYNC_READ;
+ }
+ if (arg->flags & FUSE_POSIX_LOCKS) {
+ se->conn.capable |= FUSE_CAP_POSIX_LOCKS;
+ }
+ if (arg->flags & FUSE_ATOMIC_O_TRUNC) {
+ se->conn.capable |= FUSE_CAP_ATOMIC_O_TRUNC;
+ }
+ if (arg->flags & FUSE_EXPORT_SUPPORT) {
+ se->conn.capable |= FUSE_CAP_EXPORT_SUPPORT;
+ }
+ if (arg->flags & FUSE_DONT_MASK) {
+ se->conn.capable |= FUSE_CAP_DONT_MASK;
+ }
+ if (arg->flags & FUSE_FLOCK_LOCKS) {
+ se->conn.capable |= FUSE_CAP_FLOCK_LOCKS;
+ }
+ if (arg->flags & FUSE_AUTO_INVAL_DATA) {
+ se->conn.capable |= FUSE_CAP_AUTO_INVAL_DATA;
+ }
+ if (arg->flags & FUSE_DO_READDIRPLUS) {
+ se->conn.capable |= FUSE_CAP_READDIRPLUS;
+ }
+ if (arg->flags & FUSE_READDIRPLUS_AUTO) {
+ se->conn.capable |= FUSE_CAP_READDIRPLUS_AUTO;
+ }
+ if (arg->flags & FUSE_ASYNC_DIO) {
+ se->conn.capable |= FUSE_CAP_ASYNC_DIO;
+ }
+ if (arg->flags & FUSE_WRITEBACK_CACHE) {
+ se->conn.capable |= FUSE_CAP_WRITEBACK_CACHE;
+ }
+ if (arg->flags & FUSE_NO_OPEN_SUPPORT) {
+ se->conn.capable |= FUSE_CAP_NO_OPEN_SUPPORT;
+ }
+ if (arg->flags & FUSE_PARALLEL_DIROPS) {
+ se->conn.capable |= FUSE_CAP_PARALLEL_DIROPS;
+ }
+ if (arg->flags & FUSE_POSIX_ACL) {
+ se->conn.capable |= FUSE_CAP_POSIX_ACL;
+ }
+ if (arg->flags & FUSE_HANDLE_KILLPRIV) {
+ se->conn.capable |= FUSE_CAP_HANDLE_KILLPRIV;
+ }
+ if (arg->flags & FUSE_NO_OPENDIR_SUPPORT) {
+ se->conn.capable |= FUSE_CAP_NO_OPENDIR_SUPPORT;
+ }
+ if (!(arg->flags & FUSE_MAX_PAGES)) {
+ size_t max_bufsize = FUSE_DEFAULT_MAX_PAGES_PER_REQ * getpagesize() +
+ FUSE_BUFFER_HEADER_SIZE;
+ if (bufsize > max_bufsize) {
+ bufsize = max_bufsize;
}
- } else {
- se->conn.max_readahead = 0;
}
-
- if (se->conn.proto_minor >= 14) {
#ifdef HAVE_SPLICE
#ifdef HAVE_VMSPLICE
- se->conn.capable |= FUSE_CAP_SPLICE_WRITE | FUSE_CAP_SPLICE_MOVE;
+ se->conn.capable |= FUSE_CAP_SPLICE_WRITE | FUSE_CAP_SPLICE_MOVE;
#endif
- se->conn.capable |= FUSE_CAP_SPLICE_READ;
+ se->conn.capable |= FUSE_CAP_SPLICE_READ;
#endif
- }
- if (se->conn.proto_minor >= 18) {
- se->conn.capable |= FUSE_CAP_IOCTL_DIR;
- }
+ se->conn.capable |= FUSE_CAP_IOCTL_DIR;
/*
* Default settings for modern filesystems.
@@ -1797,24 +1730,20 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
}
outarg.max_readahead = se->conn.max_readahead;
outarg.max_write = se->conn.max_write;
- if (se->conn.proto_minor >= 13) {
- if (se->conn.max_background >= (1 << 16)) {
- se->conn.max_background = (1 << 16) - 1;
- }
- if (se->conn.congestion_threshold > se->conn.max_background) {
- se->conn.congestion_threshold = se->conn.max_background;
- }
- if (!se->conn.congestion_threshold) {
- se->conn.congestion_threshold = se->conn.max_background * 3 / 4;
- }
-
- outarg.max_background = se->conn.max_background;
- outarg.congestion_threshold = se->conn.congestion_threshold;
+ if (se->conn.max_background >= (1 << 16)) {
+ se->conn.max_background = (1 << 16) - 1;
+ }
+ if (se->conn.congestion_threshold > se->conn.max_background) {
+ se->conn.congestion_threshold = se->conn.max_background;
}
- if (se->conn.proto_minor >= 23) {
- outarg.time_gran = se->conn.time_gran;
+ if (!se->conn.congestion_threshold) {
+ se->conn.congestion_threshold = se->conn.max_background * 3 / 4;
}
+ outarg.max_background = se->conn.max_background;
+ outarg.congestion_threshold = se->conn.congestion_threshold;
+ outarg.time_gran = se->conn.time_gran;
+
if (se->debug) {
fuse_log(FUSE_LOG_DEBUG, " INIT: %u.%u\n", outarg.major,
outarg.minor);
@@ -1828,11 +1757,6 @@ static void do_init(fuse_req_t req, fuse_ino_t nodeid, const void *inarg)
outarg.congestion_threshold);
fuse_log(FUSE_LOG_DEBUG, " time_gran=%u\n", outarg.time_gran);
}
- if (arg->minor < 5) {
- outargsize = FUSE_COMPAT_INIT_OUT_SIZE;
- } else if (arg->minor < 23) {
- outargsize = FUSE_COMPAT_22_INIT_OUT_SIZE;
- }
send_reply_ok(req, &outarg, outargsize);
}
@@ -1896,10 +1820,6 @@ int fuse_lowlevel_notify_inval_inode(struct fuse_session *se, fuse_ino_t ino,
return -EINVAL;
}
- if (se->conn.proto_major < 6 || se->conn.proto_minor < 12) {
- return -ENOSYS;
- }
-
outarg.ino = ino;
outarg.off = off;
outarg.len = len;
@@ -1920,10 +1840,6 @@ int fuse_lowlevel_notify_inval_entry(struct fuse_session *se, fuse_ino_t parent,
return -EINVAL;
}
- if (se->conn.proto_major < 6 || se->conn.proto_minor < 12) {
- return -ENOSYS;
- }
-
outarg.parent = parent;
outarg.namelen = namelen;
outarg.padding = 0;
@@ -1947,10 +1863,6 @@ int fuse_lowlevel_notify_delete(struct fuse_session *se, fuse_ino_t parent,
return -EINVAL;
}
- if (se->conn.proto_major < 6 || se->conn.proto_minor < 18) {
- return -ENOSYS;
- }
-
outarg.parent = parent;
outarg.child = child;
outarg.namelen = namelen;
@@ -1977,10 +1889,6 @@ int fuse_lowlevel_notify_store(struct fuse_session *se, fuse_ino_t ino,
return -EINVAL;
}
- if (se->conn.proto_major < 6 || se->conn.proto_minor < 15) {
- return -ENOSYS;
- }
-
out.unique = 0;
out.error = FUSE_NOTIFY_STORE;
--
1.8.3.1
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