nilfs2: constify nilfs_sc_operations structures

The nilfs_sc_operations structures are never modified, so declare them
as const.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 4317f72..483e663 100644 (file)
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -617,7 +617,7 @@ static void nilfs_write_file_node_binfo(struct nilfs_sc_info *sci,
        *vblocknr = binfo->bi_v.bi_vblocknr;
 }
 
-static struct nilfs_sc_operations nilfs_sc_file_ops = {
+static const struct nilfs_sc_operations nilfs_sc_file_ops = {
        .collect_data = nilfs_collect_file_data,
        .collect_node = nilfs_collect_file_node,
        .collect_bmap = nilfs_collect_file_bmap,
@@ -666,7 +666,7 @@ static void nilfs_write_dat_node_binfo(struct nilfs_sc_info *sci,
        *binfo_dat = binfo->bi_dat;
 }
 
-static struct nilfs_sc_operations nilfs_sc_dat_ops = {
+static const struct nilfs_sc_operations nilfs_sc_dat_ops = {
        .collect_data = nilfs_collect_dat_data,
        .collect_node = nilfs_collect_file_node,
        .collect_bmap = nilfs_collect_dat_bmap,
@@ -674,7 +674,7 @@ static struct nilfs_sc_operations nilfs_sc_dat_ops = {
        .write_node_binfo = nilfs_write_dat_node_binfo,
 };
 
-static struct nilfs_sc_operations nilfs_sc_dsync_ops = {
+static const struct nilfs_sc_operations nilfs_sc_dsync_ops = {
        .collect_data = nilfs_collect_file_data,
        .collect_node = NULL,
        .collect_bmap = NULL,
@@ -1043,7 +1043,7 @@ static size_t nilfs_segctor_buffer_rest(struct nilfs_sc_info *sci)
 
 static int nilfs_segctor_scan_file(struct nilfs_sc_info *sci,
                                   struct inode *inode,
-                                  struct nilfs_sc_operations *sc_ops)
+                                  const struct nilfs_sc_operations *sc_ops)
 {
        LIST_HEAD(data_buffers);
        LIST_HEAD(node_buffers);
@@ -1550,7 +1550,7 @@ nilfs_segctor_update_payload_blocknr(struct nilfs_sc_info *sci,
        sector_t blocknr;
        unsigned long nfinfo = segbuf->sb_sum.nfinfo;
        unsigned long nblocks = 0, ndatablk = 0;
-       struct nilfs_sc_operations *sc_op = NULL;
+       const struct nilfs_sc_operations *sc_op = NULL;
        struct nilfs_segsum_pointer ssp;
        struct nilfs_finfo *finfo = NULL;
        union nilfs_binfo binfo;