From: Theodore Ts'o <tytso@mit.edu>
Date: Tue, 16 Sep 2008 18:36:17 +0000 (-0400)
Subject: jbd2: clean up how the journal device name is printed
X-Git-Tag: v2.6.28-rc1~709^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=05496769e5da83ce22ed97345afd9c7b71d6bd24;p=pandora-kernel.git

jbd2: clean up how the journal device name is printed

Calculate the journal device name once and stash it away in the
journal_s structure.  This avoids needing to call bdevname()
everywhere and reduces stack usage by not needing to allocate an
on-stack buffer.  In addition, we eliminate the '/' that can appear in
device names (e.g. "cciss/c0d0p9" --- see kernel bugzilla #11321) that
can cause problems when creating proc directory names, and include the
inode number to support ocfs2 which creates multiple journals with
different inode numbers.

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