Set the journals JBD2_FEATURE_INCOMPAT_64BIT on devices with more
than 32bit block sizes during mount time.  This ensure proper record
lenth when writing to the journal.

Signed-off-by: Jose R. Santos <[EMAIL PROTECTED]>
Signed-off-by: Andreas Dilger <[EMAIL PROTECTED]>
Signed-off-by: Mingming Cao <[EMAIL PROTECTED]>
Signed-off-by: Laurent Vivier <[EMAIL PROTECTED]>
---
 fs/ext4/super.c |   11 +++++++++++
 1 file changed, 11 insertions(+)

Index: linux-2.6.22-rc4/fs/ext4/super.c
===================================================================
--- linux-2.6.22-rc4.orig/fs/ext4/super.c       2007-06-11 16:15:54.000000000 
-0700
+++ linux-2.6.22-rc4/fs/ext4/super.c    2007-06-11 16:16:10.000000000 -0700
@@ -1804,6 +1804,13 @@
                goto failed_mount3;
        }
 
+       if (ext4_blocks_count(es) > 0xffffffffULL &&
+           !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0,
+                                      JBD2_FEATURE_INCOMPAT_64BIT)) {
+               printk(KERN_ERR "ext4: Failed to set 64-bit journal feature\n");
+               goto failed_mount4;
+       }
+
        /* We have now updated the journal if required, so we can
         * validate the data journaling mode. */
        switch (test_opt(sb, DATA_FLAGS)) {


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