Merge git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev

* git://git.kernel.org/pub/scm/linux/kernel/git/viro/bdev: (66 commits)
  [PATCH] kill the rest of struct file propagation in block ioctls
  [PATCH] get rid of struct file use in blkdev_ioctl() BLKBSZSET
  [PATCH] get rid of blkdev_locked_ioctl()
  [PATCH] get rid of blkdev_driver_ioctl()
  [PATCH] sanitize blkdev_get() and friends
  [PATCH] remember mode of reiserfs journal
  [PATCH] propagate mode through swsusp_close()
  [PATCH] propagate mode through open_bdev_excl/close_bdev_excl
  [PATCH] pass fmode_t to blkdev_put()
  [PATCH] kill the unused bsize on the send side of /dev/loop
  [PATCH] trim file propagation in block/compat_ioctl.c
  [PATCH] end of methods switch: remove the old ones
  [PATCH] switch sr
  [PATCH] switch sd
  [PATCH] switch ide-scsi
  [PATCH] switch tape_block
  [PATCH] switch dcssblk
  [PATCH] switch dasd
  [PATCH] switch mtd_blkdevs
  [PATCH] switch mmc
  ...

1 files changed, 10 insertions, 4 deletions

diff --git a/fs/super.c b/fs/super.c
index f31ef824d069..400a7608f15e 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -755,9 +755,13 @@ int get_sb_bdev(struct file_system_type *fs_type,
 {
         struct block_device *bdev;
         struct super_block *s;
+        fmode_t mode = FMODE_READ;
         int error = 0;
 
-        bdev = open_bdev_excl(dev_name, flags, fs_type);
+        if (!(flags & MS_RDONLY))
+                mode |= FMODE_WRITE;
+
+        bdev = open_bdev_exclusive(dev_name, mode, fs_type);
         if (IS_ERR(bdev))
                 return PTR_ERR(bdev);
 
@@ -780,11 +784,12 @@ int get_sb_bdev(struct file_system_type *fs_type,
                         goto error_bdev;
                 }
 
-                close_bdev_excl(bdev);
+                close_bdev_exclusive(bdev, mode);
         } else {
                 char b[BDEVNAME_SIZE];
 
                 s->s_flags = flags;
+                s->s_mode = mode;
                 strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
                 sb_set_blocksize(s, block_size(bdev));
                 error = fill_super(s, data, flags & MS_SILENT ? 1 : 0);
@@ -802,7 +807,7 @@ int get_sb_bdev(struct file_system_type *fs_type,
 error_s:
         error = PTR_ERR(s);
 error_bdev:
-        close_bdev_excl(bdev);
+        close_bdev_exclusive(bdev, mode);
 error:
         return error;
 }
@@ -812,10 +817,11 @@ EXPORT_SYMBOL(get_sb_bdev);
 void kill_block_super(struct super_block *sb)
 {
         struct block_device *bdev = sb->s_bdev;
+        fmode_t mode = sb->s_mode;
 
         generic_shutdown_super(sb);
         sync_blockdev(bdev);
-        close_bdev_excl(bdev);
+        close_bdev_exclusive(bdev, mode);
 }
 
 EXPORT_SYMBOL(kill_block_super);