From 22341d8f33084c575ce5b7ea63b07d7290b68e2d Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 10 May 2016 14:24:06 -0400 Subject: befs: constify stuff a bit Signed-off-by: Al Viro --- fs/befs/befs.h | 4 ++-- fs/befs/btree.c | 16 ++++++++-------- fs/befs/btree.h | 4 ++-- fs/befs/datastream.c | 26 ++++++++++++++------------ fs/befs/datastream.h | 11 ++++++----- fs/befs/linuxvfs.c | 4 ++-- 6 files changed, 34 insertions(+), 31 deletions(-) (limited to 'fs/befs') diff --git a/fs/befs/befs.h b/fs/befs/befs.h index 35d19e8731e3..e0f59263a96d 100644 --- a/fs/befs/befs.h +++ b/fs/befs/befs.h @@ -116,7 +116,7 @@ BEFS_I(const struct inode *inode) } static inline befs_blocknr_t -iaddr2blockno(struct super_block *sb, befs_inode_addr * iaddr) +iaddr2blockno(struct super_block *sb, const befs_inode_addr *iaddr) { return ((iaddr->allocation_group << BEFS_SB(sb)->ag_shift) + iaddr->start); @@ -141,7 +141,7 @@ befs_iaddrs_per_block(struct super_block *sb) } static inline int -befs_iaddr_is_empty(befs_inode_addr * iaddr) +befs_iaddr_is_empty(const befs_inode_addr *iaddr) { return (!iaddr->allocation_group) && (!iaddr->start) && (!iaddr->len); } diff --git a/fs/befs/btree.c b/fs/befs/btree.c index 22c166280883..307645f9e284 100644 --- a/fs/befs/btree.c +++ b/fs/befs/btree.c @@ -88,15 +88,15 @@ struct befs_btree_node { static const befs_off_t befs_bt_inval = 0xffffffffffffffffULL; /* local functions */ -static int befs_btree_seekleaf(struct super_block *sb, befs_data_stream * ds, +static int befs_btree_seekleaf(struct super_block *sb, const befs_data_stream *ds, befs_btree_super * bt_super, struct befs_btree_node *this_node, befs_off_t * node_off); -static int befs_bt_read_super(struct super_block *sb, befs_data_stream * ds, +static int befs_bt_read_super(struct super_block *sb, const befs_data_stream *ds, befs_btree_super * sup); -static int befs_bt_read_node(struct super_block *sb, befs_data_stream * ds, +static int befs_bt_read_node(struct super_block *sb, const befs_data_stream *ds, struct befs_btree_node *node, befs_off_t node_off); @@ -134,7 +134,7 @@ static int befs_compare_strings(const void *key1, int keylen1, * On failure, BEFS_ERR is returned. */ static int -befs_bt_read_super(struct super_block *sb, befs_data_stream * ds, +befs_bt_read_super(struct super_block *sb, const befs_data_stream *ds, befs_btree_super * sup) { struct buffer_head *bh; @@ -193,7 +193,7 @@ befs_bt_read_super(struct super_block *sb, befs_data_stream * ds, */ static int -befs_bt_read_node(struct super_block *sb, befs_data_stream * ds, +befs_bt_read_node(struct super_block *sb, const befs_data_stream *ds, struct befs_btree_node *node, befs_off_t node_off) { uint off = 0; @@ -247,7 +247,7 @@ befs_bt_read_node(struct super_block *sb, befs_data_stream * ds, * actuall value stored with the key. */ int -befs_btree_find(struct super_block *sb, befs_data_stream * ds, +befs_btree_find(struct super_block *sb, const befs_data_stream *ds, const char *key, befs_off_t * value) { struct befs_btree_node *this_node; @@ -416,7 +416,7 @@ befs_find_key(struct super_block *sb, struct befs_btree_node *node, * until the (key_no)th key is found or the tree is out of keys. */ int -befs_btree_read(struct super_block *sb, befs_data_stream * ds, +befs_btree_read(struct super_block *sb, const befs_data_stream *ds, loff_t key_no, size_t bufsize, char *keybuf, size_t * keysize, befs_off_t * value) { @@ -548,7 +548,7 @@ befs_btree_read(struct super_block *sb, befs_data_stream * ds, * Also checks for an empty tree. If there are no keys, returns BEFS_BT_EMPTY. */ static int -befs_btree_seekleaf(struct super_block *sb, befs_data_stream * ds, +befs_btree_seekleaf(struct super_block *sb, const befs_data_stream *ds, befs_btree_super *bt_super, struct befs_btree_node *this_node, befs_off_t * node_off) diff --git a/fs/befs/btree.h b/fs/befs/btree.h index 92e781e5f30e..f2a8f637e9e0 100644 --- a/fs/befs/btree.h +++ b/fs/befs/btree.h @@ -4,10 +4,10 @@ */ -int befs_btree_find(struct super_block *sb, befs_data_stream * ds, +int befs_btree_find(struct super_block *sb, const befs_data_stream *ds, const char *key, befs_off_t * value); -int befs_btree_read(struct super_block *sb, befs_data_stream * ds, +int befs_btree_read(struct super_block *sb, const befs_data_stream *ds, loff_t key_no, size_t bufsize, char *keybuf, size_t * keysize, befs_off_t * value); diff --git a/fs/befs/datastream.c b/fs/befs/datastream.c index ebd50718659f..dde0b79f3948 100644 --- a/fs/befs/datastream.c +++ b/fs/befs/datastream.c @@ -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; diff --git a/fs/befs/datastream.h b/fs/befs/datastream.h index 45e8a3c98249..91ba8203d83f 100644 --- a/fs/befs/datastream.h +++ b/fs/befs/datastream.h @@ -4,16 +4,17 @@ */ struct buffer_head *befs_read_datastream(struct super_block *sb, - befs_data_stream * ds, befs_off_t pos, - uint * off); + const befs_data_stream *ds, + befs_off_t pos, uint * off); -int befs_fblock2brun(struct super_block *sb, befs_data_stream * data, +int befs_fblock2brun(struct super_block *sb, const befs_data_stream *data, befs_blocknr_t fblock, befs_block_run * run); -size_t befs_read_lsymlink(struct super_block *sb, befs_data_stream * data, +size_t befs_read_lsymlink(struct super_block *sb, const befs_data_stream *data, void *buff, befs_off_t len); -befs_blocknr_t befs_count_blocks(struct super_block *sb, befs_data_stream * ds); +befs_blocknr_t befs_count_blocks(struct super_block *sb, + const befs_data_stream *ds); extern const befs_inode_addr BAD_IADDR; diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index cc0e08252913..f168bc8f6212 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -157,7 +157,7 @@ befs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags) { struct inode *inode = NULL; struct super_block *sb = dir->i_sb; - befs_data_stream *ds = &BEFS_I(dir)->i_data.ds; + const befs_data_stream *ds = &BEFS_I(dir)->i_data.ds; befs_off_t offset; int ret; int utfnamelen; @@ -207,7 +207,7 @@ befs_readdir(struct file *file, struct dir_context *ctx) { struct inode *inode = file_inode(file); struct super_block *sb = inode->i_sb; - befs_data_stream *ds = &BEFS_I(inode)->i_data.ds; + const befs_data_stream *ds = &BEFS_I(inode)->i_data.ds; befs_off_t value; int result; size_t keysize; -- cgit v1.2.3-59-g8ed1b