From: Theodore Ts'o <tytso@mit.edu>
Date: Sun, 9 Mar 2014 05:07:19 +0000 (-0500)
Subject: jbd2: check jh->b_transaction without taking j_list_lock
X-Git-Tag: v3.15-rc1~91^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d2eb0b998990abf51d6e1d3bf16a2637b920a660;p=pandora-kernel.git

jbd2: check jh->b_transaction without taking j_list_lock

jh->b_transaction is adequately protected for reading by the
jbd_lock_bh_state(bh), so we don't need to take j_list_lock in
__journal_try_to_free_buffer().

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