linux-ext4 - [PATCH] jbd: Convert atomic_inc() to get

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Message-Id: <1287216662-4267-1-git-send-email-namhyung@gmail.com>
Date:	Sat, 16 Oct 2010 17:11:02 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>, Jan Kara <jack@...e.cz>
Cc:	linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] jbd: Convert atomic_inc() to get_bh()

Convert atomic_inc(&bh->b_count) to get_bh(bh) for consistency.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
---
 fs/jbd/checkpoint.c |    4 ++--
 fs/jbd/commit.c     |    2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/fs/jbd/checkpoint.c b/fs/jbd/checkpoint.c
index 05a38b9..e4b87bc 100644
--- a/fs/jbd/checkpoint.c
+++ b/fs/jbd/checkpoint.c
@@ -221,7 +221,7 @@ restart:
 			goto restart;
 		}
 		if (buffer_locked(bh)) {
-			atomic_inc(&bh->b_count);
+			get_bh(bh);
 			spin_unlock(&journal->j_list_lock);
 			jbd_unlock_bh_state(bh);
 			wait_on_buffer(bh);
@@ -283,7 +283,7 @@ static int __process_buffer(journal_t *journal, struct journal_head *jh,
 	int ret = 0;
 
 	if (buffer_locked(bh)) {
-		atomic_inc(&bh->b_count);
+		get_bh(bh);
 		spin_unlock(&journal->j_list_lock);
 		jbd_unlock_bh_state(bh);
 		wait_on_buffer(bh);
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 95d8c11..1a9d033 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -611,7 +611,7 @@ void journal_commit_transaction(journal_t *journal)
 		/* Bump b_count to prevent truncate from stumbling over
                    the shadowed buffer!  @@@ This can go if we ever get
                    rid of the BJ_IO/BJ_Shadow pairing of buffers. */
-		atomic_inc(&jh2bh(jh)->b_count);
+		get_bh(jh2bh(jh));
 
 		/* Make a temporary IO buffer with which to write it out
                    (this will requeue both the metadata buffer and the
-- 
1.7.0.4

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