X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=fuse%2Fguestmount.c;h=e1cb2d89e2a45ca390f9d8d7ff6f4414fbcba6e5;hp=c935493b565e7a6b4fbe2773e3ded4f80aa7ea33;hb=e7ee6eebed6ee3a5b56c0482ba2770e697d8febc;hpb=a6025c11d97ed5802b3729a93d224d2baa20ff12

diff --git a/fuse/guestmount.c b/fuse/guestmount.c
index c935493..e1cb2d8 100644
--- a/fuse/guestmount.c
+++ b/fuse/guestmount.c
@@ -40,6 +40,7 @@
 #include <assert.h>
 #include <sys/time.h>
 #include <sys/types.h>
+#include <locale.h>
 
 #include <fuse.h>
 #include <guestfs.h>
@@ -652,7 +653,17 @@ fg_write (const char *path, const char *buf, size_t size,
 
   dir_cache_invalidate (path);
 
-  return -ENOSYS;               /* XXX */
+  /* See fg_read. */
+  const size_t limit = 2 * 1024 * 1024;
+  if (size > limit)
+    size = limit;
+
+  int r;
+  r = guestfs_pwrite (g, path, buf, size, offset);
+  if (r == -1)
+    return error ();
+
+  return r;
 }
 
 static int
@@ -927,7 +938,7 @@ main (int argc, char *argv[])
   struct mp *mps = NULL;
   struct mp *mp;
   char *p;
-  int c, i, r;
+  int c, r;
   int option_index;
   struct sigaction sa;
 
@@ -1160,10 +1171,13 @@ mount_mps (struct mp *mp)
 
   if (mp) {
     mount_mps (mp->next);
-    if (!read_only)
-      r = guestfs_mount (g, mp->device, mp->mountpoint);
-    else
-      r = guestfs_mount_ro (g, mp->device, mp->mountpoint);
+
+    /* Don't use guestfs_mount here because that will default to mount
+     * options -o sync,noatime.  For more information, see guestfs(3)
+     * section "LIBGUESTFS GOTCHAS".
+     */
+    const char *options = read_only ? "ro" : "";
+    r = guestfs_mount_options (g, options, mp->device, mp->mountpoint);
     if (r == -1)
       exit (EXIT_FAILURE);
   }