fuse: add an idmap argument to fuse_simple_request

If idmap == NULL *and* filesystem daemon declared idmapped mounts
support, then uid/gid values in a fuse header will be -1.

No functional changes intended.

Signed-off-by: Alexander Mikhalitsyn <aleksandr.mikhalitsyn@canonical.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

1 files changed, 16 insertions, 16 deletions

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index fc587f3bc56f..3c18e90fff07 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -48,7 +48,7 @@ static int fuse_send_open(struct fuse_mount *fm, u64 nodeid,
 	args.out_args[0].size = sizeof(*outargp);
 	args.out_args[0].value = outargp;
 
-	return fuse_simple_request(fm, &args);
+	return fuse_simple_request(NULL, fm, &args);
 }
 
 struct fuse_file *fuse_file_alloc(struct fuse_mount *fm, bool release)
@@ -111,7 +111,7 @@ static void fuse_file_put(struct fuse_file *ff, bool sync)
 		if (!args) {
 			/* Do nothing when server does not implement 'open' */
 		} else if (sync) {
-			fuse_simple_request(ff->fm, args);
+			fuse_simple_request(NULL, ff->fm, args);
 			fuse_release_end(ff->fm, args, 0);
 		} else {
 			args->end = fuse_release_end;
@@ -539,7 +539,7 @@ static int fuse_flush(struct file *file, fl_owner_t id)
 	args.in_args[0].value = &inarg;
 	args.force = true;
 
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 	if (err == -ENOSYS) {
 		fm->fc->no_flush = 1;
 		err = 0;
@@ -572,7 +572,7 @@ int fuse_fsync_common(struct file *file, loff_t start, loff_t end,
 	args.in_numargs = 1;
 	args.in_args[0].size = sizeof(inarg);
 	args.in_args[0].value = &inarg;
-	return fuse_simple_request(fm, &args);
+	return fuse_simple_request(NULL, fm, &args);
 }
 
 static int fuse_fsync(struct file *file, loff_t start, loff_t end,
@@ -814,7 +814,7 @@ static ssize_t fuse_send_read(struct fuse_io_args *ia, loff_t pos, size_t count,
 	if (ia->io->async)
 		return fuse_async_req_send(fm, ia, count);
 
-	return fuse_simple_request(fm, &ia->ap.args);
+	return fuse_simple_request(NULL, fm, &ia->ap.args);
 }
 
 static void fuse_read_update_size(struct inode *inode, loff_t size,
@@ -878,7 +878,7 @@ static int fuse_do_readpage(struct file *file, struct page *page)
 		desc.length--;
 
 	fuse_read_args_fill(&ia, file, pos, desc.length, FUSE_READ);
-	res = fuse_simple_request(fm, &ia.ap.args);
+	res = fuse_simple_request(NULL, fm, &ia.ap.args);
 	if (res < 0)
 		return res;
 	/*
@@ -976,7 +976,7 @@ static void fuse_send_readpages(struct fuse_io_args *ia, struct file *file)
 		if (!err)
 			return;
 	} else {
-		res = fuse_simple_request(fm, &ap->args);
+		res = fuse_simple_request(NULL, fm, &ap->args);
 		err = res < 0 ? res : 0;
 	}
 	fuse_readpages_end(fm, &ap->args, err);
@@ -1101,7 +1101,7 @@ static ssize_t fuse_send_write(struct fuse_io_args *ia, loff_t pos,
 	if (ia->io->async)
 		return fuse_async_req_send(fm, ia, count);
 
-	err = fuse_simple_request(fm, &ia->ap.args);
+	err = fuse_simple_request(NULL, fm, &ia->ap.args);
 	if (!err && ia->write.out.size > count)
 		err = -EIO;
 
@@ -1147,7 +1147,7 @@ static ssize_t fuse_send_write_pages(struct fuse_io_args *ia,
 	if (fm->fc->handle_killpriv_v2 && !capable(CAP_FSETID))
 		ia->write.in.write_flags |= FUSE_WRITE_KILL_SUIDGID;
 
-	err = fuse_simple_request(fm, &ap->args);
+	err = fuse_simple_request(NULL, fm, &ap->args);
 	if (!err && ia->write.out.size > count)
 		err = -EIO;
 
@@ -2661,7 +2661,7 @@ static int fuse_getlk(struct file *file, struct file_lock *fl)
 	args.out_numargs = 1;
 	args.out_args[0].size = sizeof(outarg);
 	args.out_args[0].value = &outarg;
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 	if (!err)
 		err = convert_fuse_file_lock(fm->fc, &outarg.lk, fl);
 
@@ -2685,7 +2685,7 @@ static int fuse_setlk(struct file *file, struct file_lock *fl, int flock)
 	}
 
 	fuse_lk_fill(&args, file, fl, opcode, pid_nr, flock, &inarg);
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 
 	/* locking is restartable */
 	if (err == -EINTR)
@@ -2759,7 +2759,7 @@ static sector_t fuse_bmap(struct address_space *mapping, sector_t block)
 	args.out_numargs = 1;
 	args.out_args[0].size = sizeof(outarg);
 	args.out_args[0].value = &outarg;
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 	if (err == -ENOSYS)
 		fm->fc->no_bmap = 1;
 
@@ -2791,7 +2791,7 @@ static loff_t fuse_lseek(struct file *file, loff_t offset, int whence)
 	args.out_numargs = 1;
 	args.out_args[0].size = sizeof(outarg);
 	args.out_args[0].value = &outarg;
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 	if (err) {
 		if (err == -ENOSYS) {
 			fm->fc->no_lseek = 1;
@@ -2924,7 +2924,7 @@ __poll_t fuse_file_poll(struct file *file, poll_table *wait)
 	args.out_numargs = 1;
 	args.out_args[0].size = sizeof(outarg);
 	args.out_args[0].value = &outarg;
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 
 	if (!err)
 		return demangle_poll(outarg.revents);
@@ -3146,7 +3146,7 @@ static long fuse_file_fallocate(struct file *file, int mode, loff_t offset,
 	args.in_numargs = 1;
 	args.in_args[0].size = sizeof(inarg);
 	args.in_args[0].value = &inarg;
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 	if (err == -ENOSYS) {
 		fm->fc->no_fallocate = 1;
 		err = -EOPNOTSUPP;
@@ -3258,7 +3258,7 @@ static ssize_t __fuse_copy_file_range(struct file *file_in, loff_t pos_in,
 	args.out_numargs = 1;
 	args.out_args[0].size = sizeof(outarg);
 	args.out_args[0].value = &outarg;
-	err = fuse_simple_request(fm, &args);
+	err = fuse_simple_request(NULL, fm, &args);
 	if (err == -ENOSYS) {
 		fc->no_copy_file_range = 1;
 		err = -EOPNOTSUPP;