Commit eb40a09c authored Jul 18, 2007 by Jose R. Santos Committed by Theodore Ts'o Jul 18, 2007

ext4: Set the journal JBD2_FEATURE_INCOMPAT_64BIT on large devices



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 <jrs@us.ibm.com>
Signed-off-by: Andreas Dilger <adilger@clusterfs.com>
Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

parent c29c0ae7

fs/ext4/super.c

+7 −0

Original line number	Diff line number	Diff line
		@@ -1813,6 +1813,13 @@ static int ext4_fill_super (struct super_block sb, void data, int silent)
		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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