linux-ext4 - Convert between journal features and strings

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Message-id: <1205519369.3465.23.camel@alpha.linsyssoft.com>
Date:	Fri, 14 Mar 2008 23:59:29 +0530
From:	Girish Shilamkar <Girish.Shilamkar@....COM>
To:	Theodore Tso <tytso@....edu>
Cc:	Ext4 Mailing List <linux-ext4@...r.kernel.org>
Subject: Convert between journal features and strings

Hi Ted,
	e2p_string2feature() and e2p_feature2string() can operate on ext2/3/4
features list as there is only one struct feature feature_list[] and no
corresponding journal features list. 
After introducing journal_checksum and journal_async_commit features, we
needed to display the features using debugfs which does it through the
two e2p_* functions. A new struct feature jrnl_feature_list[] was added.
The e2p_* functions were passed an additional argument so it can decide
which feature list to use.
Change in the APIs of e2p_* functions might not be acceptable so we have
an option to either make e2p_feature2string2() function or add
a new e2p_jnl_feature2string()

Would like to know what will be preferred e2p_feature2string2() or
e2p_jnl_feature2string() ?

Thanks,
Girish



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