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authorRussell King <rmk+kernel@armlinux.org.uk>2019-06-04 14:49:30 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2019-06-26 20:14:13 -0400
commit1dfdfc94730bde781c87b25fd606f6dfaffe9097 (patch)
treed9bea48d5933b429b1ded67b9fc3f099d4c6c7ed /fs/adfs
parent3ae762a09cd72a08ef620c80fbb263693c3fb204 (diff)
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fs/adfs: add helper to get discrecord from map
Add a helper to get the disc record from the map, rather than open coding this in adfs_fill_super(). Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/adfs')
-rw-r--r--fs/adfs/adfs.h10
-rw-r--r--fs/adfs/dir_f.c1
-rw-r--r--fs/adfs/dir_fplus.c1
-rw-r--r--fs/adfs/map.c1
-rw-r--r--fs/adfs/super.c3
5 files changed, 9 insertions, 7 deletions
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index 804c6a77c5db..5a72a0ea03bd 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -1,4 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 */
+#include <linux/buffer_head.h>
#include <linux/fs.h>
#include <linux/adfs_fs.h>
@@ -18,8 +19,6 @@
#include "dir_f.h"
-struct buffer_head;
-
/*
* adfs file system inode data in memory
*/
@@ -195,3 +194,10 @@ __adfs_block_map(struct super_block *sb, unsigned int object_id,
return adfs_map_lookup(sb, object_id >> 8, block);
}
+
+/* Return the disc record from the map */
+static inline
+struct adfs_discrecord *adfs_map_discrecord(struct adfs_discmap *dm)
+{
+ return (void *)(dm[0].dm_bh->b_data + 4);
+}
diff --git a/fs/adfs/dir_f.c b/fs/adfs/dir_f.c
index 693f69ed3de3..beedd275599f 100644
--- a/fs/adfs/dir_f.c
+++ b/fs/adfs/dir_f.c
@@ -9,7 +9,6 @@
*
* E and F format directory handling
*/
-#include <linux/buffer_head.h>
#include "adfs.h"
#include "dir_f.h"
diff --git a/fs/adfs/dir_fplus.c b/fs/adfs/dir_fplus.c
index 97b9f28f459b..12ab34dad815 100644
--- a/fs/adfs/dir_fplus.c
+++ b/fs/adfs/dir_fplus.c
@@ -7,7 +7,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#include <linux/buffer_head.h>
#include <linux/slab.h>
#include "adfs.h"
#include "dir_fplus.h"
diff --git a/fs/adfs/map.c b/fs/adfs/map.c
index 6935f05202ac..5f2d9d775305 100644
--- a/fs/adfs/map.c
+++ b/fs/adfs/map.c
@@ -7,7 +7,6 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#include <linux/buffer_head.h>
#include <asm/unaligned.h>
#include "adfs.h"
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index 2a83655c408f..533c9601a670 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -9,7 +9,6 @@
*/
#include <linux/module.h>
#include <linux/init.h>
-#include <linux/buffer_head.h>
#include <linux/parser.h>
#include <linux/mount.h>
#include <linux/seq_file.h>
@@ -463,7 +462,7 @@ static int adfs_fill_super(struct super_block *sb, void *data, int silent)
*/
sb->s_op = &adfs_sops;
- dr = (struct adfs_discrecord *)(asb->s_map[0].dm_bh->b_data + 4);
+ dr = adfs_map_discrecord(asb->s_map);
root_obj.parent_id = root_obj.file_id = le32_to_cpu(dr->root);
root_obj.name_len = 0;