arent 5c8a0fbba543d9428a486f0d1282bbcf3cf1d95a
author Theodore Ts'o <tytso@mit.edu> 1320680862 -0500
committer Theodore Ts'o <tytso@mit.edu> 1320680862 -0500

ext4: ignore journalled data options on remount if fs has no journal

This avoids a confusing failure in the init scripts when the
/etc/fstab has data=writeback or data=journal but the file system does
not have a journal.  So check for this case explicitly, and warn the
user that we are ignoring the (pointless, since they have no journal)
data=* mount option.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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