---

yaml --- r: 140415 b: refs/heads/master c: fc280c9 h: refs/heads/master i: 140413: 49dd4e0 140411: dca03a9 140407: 70f4534 140399: 53c1afa 140383: 1dec331 140351: 87a1ce8 140287: 5cc369f v: v3
git-mirror · Apr 2, 2009 · 3799523 · 3799523
1 parent a99933a
commit 3799523
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Showing 2 changed files with 12 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f4975c67dd9ad8eb47a4c77af0521a2b16ee0197
+refs/heads/master: fc280c9692031ee41545d6bea00bbb7c7dec97a9
diff --git a/trunk/fs/fuse/file.c b/trunk/fs/fuse/file.c
@@ -1292,6 +1292,15 @@ static int fuse_file_mmap(struct file *file, struct vm_area_struct *vma)
 	return 0;
 }
 
+static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	/* Can't provide the coherency needed for MAP_SHARED */
+	if (vma->vm_flags & VM_MAYSHARE)
+		return -ENODEV;
+
+	return generic_file_mmap(file, vma);
+}
+
 static int convert_fuse_file_lock(const struct fuse_file_lock *ffl,
 				  struct file_lock *fl)
 {
@@ -1926,6 +1935,7 @@ static const struct file_operations fuse_direct_io_file_operations = {
 	.llseek		= fuse_file_llseek,
 	.read		= fuse_direct_read,
 	.write		= fuse_direct_write,
+	.mmap		= fuse_direct_mmap,
 	.open		= fuse_open,
 	.flush		= fuse_flush,
 	.release	= fuse_release,
@@ -1935,7 +1945,7 @@ static const struct file_operations fuse_direct_io_file_operations = {
 	.unlocked_ioctl	= fuse_file_ioctl,
 	.compat_ioctl	= fuse_file_compat_ioctl,
 	.poll		= fuse_file_poll,
-	/* no mmap and splice_read */
+	/* no splice_read */
 };
 
 static const struct address_space_operations fuse_file_aops  = {