linux-kernel - [PATCH 4.9 117/199] btrfs: Remove btrfs

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Message-Id: <20191219183221.372071081@linuxfoundation.org>
Date:   Thu, 19 Dec 2019 19:33:19 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Qu Wenruo <wqu@...e.com>,
        David Sterba <dsterba@...e.com>
Subject: [PATCH 4.9 117/199] btrfs: Remove btrfs_bio::flags member

From: Qu Wenruo <wqu@...e.com>

commit 34b127aecd4fe8e6a3903e10f204a7b7ffddca22 upstream.

The last user of btrfs_bio::flags was removed in commit 326e1dbb5736
("block: remove management of bi_remaining when restoring original
bi_end_io"), remove it.

(Tagged for stable as the structure is heavily used and space savings
are desirable.)

CC: stable@...r.kernel.org # 4.4+
Signed-off-by: Qu Wenruo <wqu@...e.com>
Reviewed-by: David Sterba <dsterba@...e.com>
Signed-off-by: David Sterba <dsterba@...e.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 fs/btrfs/volumes.h |    1 -
 1 file changed, 1 deletion(-)

--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -312,7 +312,6 @@ struct btrfs_bio {
 	u64 map_type; /* get from map_lookup->type */
 	bio_end_io_t *end_io;
 	struct bio *orig_bio;
-	unsigned long flags;
 	void *private;
 	atomic_t error;
 	int max_errors;