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

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
...@@ -1813,6 +1813,13 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent) ...@@ -1813,6 +1813,13 @@ static int ext4_fill_super (struct super_block *sb, void *data, int silent)
goto failed_mount3; 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 /* We have now updated the journal if required, so we can
* validate the data journaling mode. */ * validate the data journaling mode. */
switch (test_opt(sb, DATA_FLAGS)) { switch (test_opt(sb, DATA_FLAGS)) {
......
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