The logfs_block_ops structures are never modified, so declare them as
const.
Done with the help of Coccinelle.
Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>
---
fs/logfs/logfs.h | 4 ++--
fs/logfs/readwrite.c | 4 ++--
fs/logfs/segment.c | 2 +-
3 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index 23f961a..b710788 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -302,7 +302,7 @@ struct logfs_block {
struct inode *inode;
struct logfs_transaction *ta;
unsigned long alias_map[LOGFS_BLOCK_FACTOR / BITS_PER_LONG];
- struct logfs_block_ops *ops;
+ const struct logfs_block_ops *ops;
int full;
int partial;
int reserved_bytes;
@@ -579,7 +579,7 @@ int logfs_exist_block(struct inode *inode, u64 bix);
int get_page_reserve(struct inode *inode, struct page *page);
void logfs_get_wblocks(struct super_block *sb, struct page *page, int lock);
void logfs_put_wblocks(struct super_block *sb, struct page *page, int lock);
-extern struct logfs_block_ops indirect_block_ops;
+extern const struct logfs_block_ops indirect_block_ops;
/* segment.c */
int logfs_erase_segment(struct super_block *sb, u32 ofs, int ensure_erase);
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
index 380d86e..20973c9 100644
--- a/fs/logfs/readwrite.c
+++ b/fs/logfs/readwrite.c
@@ -569,13 +569,13 @@ static void indirect_free_block(struct super_block *sb,
}
-static struct logfs_block_ops inode_block_ops = {
+static const struct logfs_block_ops inode_block_ops = {
.write_block = inode_write_block,
.free_block = inode_free_block,
.write_alias = inode_write_alias,
};
-struct logfs_block_ops indirect_block_ops = {
+const struct logfs_block_ops indirect_block_ops = {
.write_block = indirect_write_block,
.free_block = indirect_free_block,
.write_alias = indirect_write_alias,
diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
index 6de0fbf..d270e4b 100644
--- a/fs/logfs/segment.c
+++ b/fs/logfs/segment.c
@@ -197,7 +197,7 @@ static int btree_write_alias(struct super_block *sb, struct logfs_block *block,
return 0;
}
-static struct logfs_block_ops btree_block_ops = {
+static const struct logfs_block_ops btree_block_ops = {
.write_block = btree_write_block,
.free_block = __free_block,
.write_alias = btree_write_alias,
--
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