[PATCH] nilfs2: constify nilfs_sc_operations structures

From: Julia Lawall
Date: Sat Apr 09 2016 - 04:43:23 EST


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@xxxxxxx>

---
fs/nilfs2/segment.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 4317f72..483e663 100644
--- 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;