Merge branch 'linus' into x86/urgent

Merge reason: Bring in changes that the next patch will depend on.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 13 insertions, 2 deletions

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 62b31c246994..fed5b01d7a8d 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -810,12 +810,23 @@ inserted:
                         get_bh(new_bh);
                 } else {
                         /* We need to allocate a new block */
-                        ext4_fsblk_t goal = ext4_group_first_block_no(sb,
+                        ext4_fsblk_t goal, block;
+
+                        goal = ext4_group_first_block_no(sb,
                                                 EXT4_I(inode)->i_block_group);
-                        ext4_fsblk_t block = ext4_new_meta_blocks(handle, inode,
+
+                        /* non-extent files can't have physical blocks past 2^32 */
+                        if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+                                goal = goal & EXT4_MAX_BLOCK_FILE_PHYS;
+
+                        block = ext4_new_meta_blocks(handle, inode,
                                                   goal, NULL, &error);
                         if (error)
                                 goto cleanup;
+
+                        if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+                                BUG_ON(block > EXT4_MAX_BLOCK_FILE_PHYS);
+
                         ea_idebug(inode, "creating block %d", block);
 
                         new_bh = sb_getblk(sb, block);