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befs: constify stuff a bit

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2016-05-10 14:24:06 -04:00
parent e899108994
commit 22341d8f33
6 changed files with 34 additions and 31 deletions
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26
fs/befs/datastream.c
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@@ -21,16 +21,16 @@
const befs_inode_addr BAD_IADDR = { 0, 0, 0 };
static int befs_find_brun_direct(struct super_block *sb,
befs_data_stream * data,
const befs_data_stream *data,
befs_blocknr_t blockno, befs_block_run * run);
static int befs_find_brun_indirect(struct super_block *sb,
befs_data_stream * data,
const befs_data_stream *data,
befs_blocknr_t blockno,
befs_block_run * run);
static int befs_find_brun_dblindirect(struct super_block *sb,
befs_data_stream * data,
const befs_data_stream *data,
befs_blocknr_t blockno,
befs_block_run * run);
@@ -45,7 +45,7 @@ static int befs_find_brun_dblindirect(struct super_block *sb,
* if you don't need to know offset just set @off = NULL.
*/
struct buffer_head *
befs_read_datastream(struct super_block *sb, befs_data_stream * ds,
befs_read_datastream(struct super_block *sb, const befs_data_stream *ds,
befs_off_t pos, uint * off)
{
struct buffer_head *bh = NULL;
@@ -87,7 +87,7 @@ befs_read_datastream(struct super_block *sb, befs_data_stream * ds,
* 2001-11-15 Will Dyson
*/
int
befs_fblock2brun(struct super_block *sb, befs_data_stream * data,
befs_fblock2brun(struct super_block *sb, const befs_data_stream *data,
befs_blocknr_t fblock, befs_block_run * run)
{
int err;
@@ -122,8 +122,8 @@ befs_fblock2brun(struct super_block *sb, befs_data_stream * data,
* Returns the number of bytes read
*/
size_t
befs_read_lsymlink(struct super_block * sb, befs_data_stream * ds, void *buff,
befs_off_t len)
befs_read_lsymlink(struct super_block *sb, const befs_data_stream *ds,
void *buff, befs_off_t len)
{
befs_off_t bytes_read = 0; /* bytes readed */
u16 plen;
@@ -163,7 +163,7 @@ befs_read_lsymlink(struct super_block * sb, befs_data_stream * ds, void *buff,
*/
befs_blocknr_t
befs_count_blocks(struct super_block * sb, befs_data_stream * ds)
befs_count_blocks(struct super_block *sb, const befs_data_stream *ds)
{
befs_blocknr_t blocks;
befs_blocknr_t datablocks; /* File data blocks */
@@ -243,11 +243,11 @@ befs_count_blocks(struct super_block * sb, befs_data_stream * ds)
2001-11-15 Will Dyson
*/
static int
befs_find_brun_direct(struct super_block *sb, befs_data_stream * data,
befs_find_brun_direct(struct super_block *sb, const befs_data_stream *data,
befs_blocknr_t blockno, befs_block_run * run)
{
int i;
befs_block_run *array = data->direct;
const befs_block_run *array = data->direct;
befs_blocknr_t sum;
befs_blocknr_t max_block =
data->max_direct_range >> BEFS_SB(sb)->block_shift;
@@ -304,7 +304,8 @@ befs_find_brun_direct(struct super_block *sb, befs_data_stream * data,
*/
static int
befs_find_brun_indirect(struct super_block *sb,
befs_data_stream * data, befs_blocknr_t blockno,
const befs_data_stream *data,
befs_blocknr_t blockno,
befs_block_run * run)
{
int i, j;
@@ -412,7 +413,8 @@ befs_find_brun_indirect(struct super_block *sb,
*/
static int
befs_find_brun_dblindirect(struct super_block *sb,
befs_data_stream * data, befs_blocknr_t blockno,
const befs_data_stream *data,
befs_blocknr_t blockno,
befs_block_run * run)
{
int dblindir_indx;