Fix -Wunused-parameter warnings

Fix all warnings about unused function parameters that were introduced
since e2fsprogs v1.45.4, by adding EXT2FS_ATTR((unused)) or removing
parameters as appropriate.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

6 files changed, 14 insertions, 8 deletions

diff --git a/debugfs/journal.c b/debugfs/journal.c
index 686d0eb07..095fff008 100644
--- a/debugfs/journal.c
+++ b/debugfs/journal.c
@@ -161,7 +161,8 @@ int sync_blockdev(kdev_t kdev)
 	return io_channel_flush(io) ? EIO : 0;
 }
 
-void ll_rw_block(int rw, int op_flags, int nr, struct buffer_head *bhp[])
+void ll_rw_block(int rw, int op_flags EXT2FS_ATTR((unused)), int nr,
+		 struct buffer_head *bhp[])
 {
 	errcode_t retval;
 	struct buffer_head *bh;
diff --git a/e2fsck/jfs_user.h b/e2fsck/jfs_user.h
index 1babf4172..6d24558b7 100644
--- a/e2fsck/jfs_user.h
+++ b/e2fsck/jfs_user.h
@@ -92,7 +92,8 @@ typedef struct kmem_cache {
 #define kmalloc(len, flags) malloc(len)
 #define kfree(p) free(p)
 
-static inline void *kmalloc_array(unsigned n, unsigned size, int flags)
+static inline void *kmalloc_array(unsigned n, unsigned size,
+				  int flags EXT2FS_ATTR((unused)))
 {
 	if (n && (~0U)/n < size)
 		return NULL;
diff --git a/e2fsck/journal.c b/e2fsck/journal.c
index 16d5cf86b..af0effceb 100644
--- a/e2fsck/journal.c
+++ b/e2fsck/journal.c
@@ -155,7 +155,8 @@ int sync_blockdev(kdev_t kdev)
 	return io_channel_flush(io) ? -EIO : 0;
 }
 
-void ll_rw_block(int rw, int op_flags, int nr, struct buffer_head *bhp[])
+void ll_rw_block(int rw, int op_flags EXT2FS_ATTR((unused)), int nr,
+		 struct buffer_head *bhp[])
 {
 	errcode_t retval;
 	struct buffer_head *bh;
@@ -442,7 +443,7 @@ static int ex_len_compar(const void *arg1, const void *arg2)
 	return 0;
 }
 
-static void ex_sort_and_merge(e2fsck_t ctx, struct extent_list *list)
+static void ex_sort_and_merge(struct extent_list *list)
 {
 	blk64_t ex_end;
 	int i, j;
@@ -552,7 +553,7 @@ static int ext4_modify_extent_list(e2fsck_t ctx, struct extent_list *list,
 		list->extents[list->count - 1] = add_ex;
 	}
 
-	ex_sort_and_merge(ctx, list);
+	ex_sort_and_merge(list);
 
 	/* Mark all occupied blocks allocated */
 	for (i = 0; i < list->count; i++)
diff --git a/e2fsck/pass1b.c b/e2fsck/pass1b.c
index 656a275be..92c746c1d 100644
--- a/e2fsck/pass1b.c
+++ b/e2fsck/pass1b.c
@@ -104,7 +104,8 @@ static dict_t clstr_dict, ino_dict;
 
 static ext2fs_inode_bitmap inode_dup_map;
 
-static int dict_int_cmp(const void* cmp_ctx, const void *a, const void *b)
+static int dict_int_cmp(const void *cmp_ctx EXT2FS_ATTR((unused)),
+			const void *a, const void *b)
 {
 	intptr_t	ia, ib;
 
diff --git a/e2fsck/pass2.c b/e2fsck/pass2.c
index 94f92c8bd..8ebdf7667 100644
--- a/e2fsck/pass2.c
+++ b/e2fsck/pass2.c
@@ -332,7 +332,8 @@ static short htree_depth(struct dx_dir_info *dx_dir,
 	return depth;
 }
 
-static int dict_de_cmp(const void *cmp_ctx, const void *a, const void *b)
+static int dict_de_cmp(const void *cmp_ctx EXT2FS_ATTR((unused)),
+		       const void *a, const void *b)
 {
 	const struct ext2_dir_entry *de_a, *de_b;
 	int	a_len, b_len;
diff --git a/lib/support/mkquota.c b/lib/support/mkquota.c
index fbc3833ae..71f42c2cb 100644
--- a/lib/support/mkquota.c
+++ b/lib/support/mkquota.c
@@ -234,7 +234,8 @@ out:
 /* Helper functions for computing quota in memory.                */
 /******************************************************************/
 
-static int dict_uint_cmp(const void *cmp_ctx, const void *a, const void *b)
+static int dict_uint_cmp(const void *cmp_ctx EXT2FS_ATTR((unused)),
+			 const void *a, const void *b)
 {
 	unsigned int	c, d;