Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/lliubbo...

[profile/ivi/kernel-adaptation-intel-automotive.git] / fs / ext4 / resize.c

diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index f21fdbf..7a75e10 100644 (file)
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1460,6 +1460,7 @@ exit_journal:
                                   EXT4_DESC_PER_BLOCK(sb));
                int meta_bg = EXT4_HAS_INCOMPAT_FEATURE(sb,
                                EXT4_FEATURE_INCOMPAT_META_BG);
+               sector_t old_gdb = 0;
 
                update_backups(sb, sbi->s_sbh->b_blocknr, (char *)es,
                               sizeof(struct ext4_super_block), 0);
@@ -1467,8 +1468,11 @@ exit_journal:
                        struct buffer_head *gdb_bh;
 
                        gdb_bh = sbi->s_group_desc[gdb_num];
+                       if (old_gdb == gdb_bh->b_blocknr)
+                               continue;
                        update_backups(sb, gdb_bh->b_blocknr, gdb_bh->b_data,
                                       gdb_bh->b_size, meta_bg);
+                       old_gdb = gdb_bh->b_blocknr;
                }
        }
 exit: