From: Theodore Ts'o Subject: [PATCH 3/3] ext4: mark metadata blocks using bh flags Date: Sat, 20 Apr 2013 20:07:08 -0400 Message-ID: <1366502828-7793-3-git-send-email-tytso@mit.edu> References: <20130421000522.GA5054@thunk.org> <1366502828-7793-1-git-send-email-tytso@mit.edu> Cc: linux-mm@kvack.org, Linux Kernel Developers List , mgorman@suse.de, Theodore Ts'o To: Ext4 Developers List Return-path: In-Reply-To: <1366502828-7793-1-git-send-email-tytso@mit.edu> Sender: owner-linux-mm@kvack.org List-Id: linux-ext4.vger.kernel.org This allows metadata writebacks which are issued via block device writeback to be sent with the current write request flags. Signed-off-by: "Theodore Ts'o" --- fs/ext4/ext4_jbd2.c | 2 ++ fs/ext4/inode.c | 6 +++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 0e1dc9e..fd97b81 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -215,6 +215,8 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, might_sleep(); + mark_buffer_meta(bh); + mark_buffer_prio(bh); if (ext4_handle_valid(handle)) { err = jbd2_journal_dirty_metadata(handle, bh); if (err) { diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 62492e9..d7518e2 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1080,10 +1080,14 @@ retry_journal: /* For write_end() in data=journal mode */ static int write_end_fn(handle_t *handle, struct buffer_head *bh) { + int ret; if (!buffer_mapped(bh) || buffer_freed(bh)) return 0; set_buffer_uptodate(bh); - return ext4_handle_dirty_metadata(handle, NULL, bh); + ret = ext4_handle_dirty_metadata(handle, NULL, bh); + clear_buffer_meta(bh); + clear_buffer_prio(bh); + return ret; } /* -- 1.7.12.rc0.22.gcdd159b -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org