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ext4: Set the journal JBD2_FEATURE_INCOMPAT_64BIT on large devices

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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>
This commit is contained in:
Jose R. Santos 2007-07-18 08:37:25 -04:00 committed by Theodore Ts'o
parent c29c0ae7f2
commit eb40a09c67
1 changed files with 7 additions and 0 deletions
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7
fs/ext4/super.c
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@ -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)) {