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Commit eb40a09c authored by Jose R. Santos's avatar Jose R. Santos Committed by Theodore Ts'o
Browse files

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: default avatarJose R. Santos <jrs@us.ibm.com>
Signed-off-by: default avatarAndreas Dilger <adilger@clusterfs.com>
Signed-off-by: default avatarMingming Cao <cmm@us.ibm.com>
Signed-off-by: default avatarLaurent Vivier <Laurent.Vivier@bull.net>
Signed-off-by: default avatar"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)) {