Merge tag 'v3.7-rc1' into staging/for_v3.8

Linux 3.7-rc1

* tag 'v3.7-rc1': (9579 commits)
  Linux 3.7-rc1
  x86, boot: Explicitly include autoconf.h for hostprogs
  perf: Fix UAPI fallout
  ARM: config: make sure that platforms are ordered by option string
  ARM: config: sort select statements alphanumerically
  UAPI: (Scripted) Disintegrate include/linux/byteorder
  UAPI: (Scripted) Disintegrate include/linux
  UAPI: Unexport linux/blk_types.h
  UAPI: Unexport part of linux/ppp-comp.h
  perf: Handle new rbtree implementation
  procfs: don't need a PATH_MAX allocation to hold a string representation of an int
  vfs: embed struct filename inside of names_cache allocation if possible
  audit: make audit_inode take struct filename
  vfs: make path_openat take a struct filename pointer
  vfs: turn do_path_lookup into wrapper around struct filename variant
  audit: allow audit code to satisfy getname requests from its names_list
  vfs: define struct filename and have getname() return it
  btrfs: Fix compilation with user namespace support enabled
  userns: Fix posix_acl_file_xattr_userns gid conversion
  userns: Properly print bluetooth socket uids
  ...

1 files changed, 8 insertions, 29 deletions

diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index 7f7dad78760..5747f52f7c7 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -233,7 +233,7 @@ group_extend_out:
 
 	case EXT4_IOC_MOVE_EXT: {
 		struct move_extent me;
-		struct file *donor_filp;
+		struct fd donor;
 		int err;
 
 		if (!(filp->f_mode & FMODE_READ) ||
@@ -245,11 +245,11 @@ group_extend_out:
 			return -EFAULT;
 		me.moved_len = 0;
 
-		donor_filp = fget(me.donor_fd);
-		if (!donor_filp)
+		donor = fdget(me.donor_fd);
+		if (!donor.file)
 			return -EBADF;
 
-		if (!(donor_filp->f_mode & FMODE_WRITE)) {
+		if (!(donor.file->f_mode & FMODE_WRITE)) {
 			err = -EBADF;
 			goto mext_out;
 		}
@@ -258,14 +258,15 @@ group_extend_out:
 			       EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
 			ext4_msg(sb, KERN_ERR,
 				 "Online defrag not supported with bigalloc");
-			return -EOPNOTSUPP;
+			err = -EOPNOTSUPP;
+			goto mext_out;
 		}
 
 		err = mnt_want_write_file(filp);
 		if (err)
 			goto mext_out;
 
-		err = ext4_move_extents(filp, donor_filp, me.orig_start,
+		err = ext4_move_extents(filp, donor.file, me.orig_start,
 					me.donor_start, me.len, &me.moved_len);
 		mnt_drop_write_file(filp);
 
@@ -273,7 +274,7 @@ group_extend_out:
 				 &me, sizeof(me)))
 			err = -EFAULT;
 mext_out:
-		fput(donor_filp);
+		fdput(donor);
 		return err;
 	}
 
@@ -365,26 +366,11 @@ group_add_out:
 			return -EOPNOTSUPP;
 		}
 
-		if (EXT4_HAS_INCOMPAT_FEATURE(sb,
-			       EXT4_FEATURE_INCOMPAT_META_BG)) {
-			ext4_msg(sb, KERN_ERR,
-				 "Online resizing not (yet) supported with meta_bg");
-			return -EOPNOTSUPP;
-		}
-
 		if (copy_from_user(&n_blocks_count, (__u64 __user *)arg,
 				   sizeof(__u64))) {
 			return -EFAULT;
 		}
 
-		if (n_blocks_count > MAX_32_NUM &&
-		    !EXT4_HAS_INCOMPAT_FEATURE(sb,
-					       EXT4_FEATURE_INCOMPAT_64BIT)) {
-			ext4_msg(sb, KERN_ERR,
-				 "File system only supports 32-bit block numbers");
-			return -EOPNOTSUPP;
-		}
-
 		err = ext4_resize_begin(sb);
 		if (err)
 			return err;
@@ -419,13 +405,6 @@ resizefs_out:
 		if (!blk_queue_discard(q))
 			return -EOPNOTSUPP;
 
-		if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
-			       EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
-			ext4_msg(sb, KERN_ERR,
-				 "FITRIM not supported with bigalloc");
-			return -EOPNOTSUPP;
-		}
-
 		if (copy_from_user(&range, (struct fstrim_range __user *)arg,
 		    sizeof(range)))
 			return -EFAULT;