1 files changed, 16 insertions, 8 deletions

diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index da18a74b966a..486e46a3918d 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -305,7 +305,7 @@ static int find_group_dir(struct super_block *sb, struct inode *parent,
  * it has too few free inodes left (min_inodes) or
  * it has too few free blocks left (min_blocks) or
  * it's already running too large debt (max_debt).
- * Parent's group is prefered, if it doesn't satisfy these
+ * Parent's group is preferred, if it doesn't satisfy these
  * conditions we search cyclically through the rest. If none
  * of the groups look good we just look for a group with more
  * free inodes than average (starting at parent's group).
@@ -702,7 +702,12 @@ got:
         ei->i_dir_start_lookup = 0;
         ei->i_disksize = 0;
 
-        ei->i_flags = EXT4_I(dir)->i_flags & ~EXT4_INDEX_FL;
+        /*
+         * Don't inherit extent flag from directory. We set extent flag on
+         * newly created directory and file only if -o extent mount option is
+         * specified
+         */
+        ei->i_flags = EXT4_I(dir)->i_flags & ~(EXT4_INDEX_FL|EXT4_EXTENTS_FL);
         if (S_ISLNK(mode))
                 ei->i_flags &= ~(EXT4_IMMUTABLE_FL|EXT4_APPEND_FL);
         /* dirsync only applies to directories */
@@ -745,12 +750,15 @@ got:
                 goto fail_free_drop;
         }
         if (test_opt(sb, EXTENTS)) {
-                EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL;
-                ext4_ext_tree_init(handle, inode);
-                err = ext4_update_incompat_feature(handle, sb,
-                                                EXT4_FEATURE_INCOMPAT_EXTENTS);
-                if (err)
-                        goto fail;
+                /* set extent flag only for directory and file */
+                if (S_ISDIR(mode) || S_ISREG(mode)) {
+                        EXT4_I(inode)->i_flags |= EXT4_EXTENTS_FL;
+                        ext4_ext_tree_init(handle, inode);
+                        err = ext4_update_incompat_feature(handle, sb,
+                                        EXT4_FEATURE_INCOMPAT_EXTENTS);
+                        if (err)
+                                goto fail;
+                }
         }
 
         ext4_debug("allocating inode %lu\n", inode->i_ino);