[2.6 patch] QNX4 cleanups

From: Adrian Bunk
Date: Sat Oct 30 2004 - 13:16:21 EST


The patch below does the following cleanups in the QNX4 fs:
- remove two unused global functions
- make some functions static


diffstat output:
fs/qnx4/bitmap.c | 58 ----------------------------------------
fs/qnx4/inode.c | 6 ++--
include/linux/qnx4_fs.h | 4 --
3 files changed, 4 insertions(+), 64 deletions(-)


Signed-off-by: Adrian Bunk <bunk@xxxxxxxxx>

--- linux-2.6.10-rc1-mm2-full/include/linux/qnx4_fs.h.old 2004-10-30 14:53:54.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/include/linux/qnx4_fs.h 2004-10-30 15:01:34.000000000 +0200
@@ -114,15 +114,12 @@
extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
extern unsigned long qnx4_block_map(struct inode *inode, long iblock);

-extern struct buffer_head *qnx4_getblk(struct inode *, int, int);
extern struct buffer_head *qnx4_bread(struct inode *, int, int);

extern struct inode_operations qnx4_file_inode_operations;
extern struct inode_operations qnx4_dir_inode_operations;
extern struct file_operations qnx4_file_operations;
extern struct file_operations qnx4_dir_operations;
-extern int qnx4_is_free(struct super_block *sb, long block);
-extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy);
extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd);
extern void qnx4_truncate(struct inode *inode);
extern void qnx4_free_inode(struct inode *inode);
@@ -130,7 +127,6 @@
extern int qnx4_rmdir(struct inode *dir, struct dentry *dentry);
extern int qnx4_sync_file(struct file *file, struct dentry *dentry, int);
extern int qnx4_sync_inode(struct inode *inode);
-extern int qnx4_get_block(struct inode *inode, sector_t iblock, struct buffer_head *bh, int create);

static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
{
--- linux-2.6.10-rc1-mm2-full/fs/qnx4/inode.c.old 2004-10-30 14:58:16.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/qnx4/inode.c 2004-10-30 15:01:28.000000000 +0200
@@ -162,7 +162,7 @@
return 0;
}

-struct buffer_head *qnx4_getblk(struct inode *inode, int nr,
+static struct buffer_head *qnx4_getblk(struct inode *inode, int nr,
int create)
{
struct buffer_head *result = NULL;
@@ -212,7 +212,7 @@
return NULL;
}

-int qnx4_get_block( struct inode *inode, sector_t iblock, struct buffer_head *bh, int create )
+static int qnx4_get_block( struct inode *inode, sector_t iblock, struct buffer_head *bh, int create )
{
unsigned long phys;

@@ -447,7 +447,7 @@
{
return generic_block_bmap(mapping,block,qnx4_get_block);
}
-struct address_space_operations qnx4_aops = {
+static struct address_space_operations qnx4_aops = {
.readpage = qnx4_readpage,
.writepage = qnx4_writepage,
.sync_page = block_sync_page,
--- linux-2.6.10-rc1-mm2-full/fs/qnx4/bitmap.c.old 2004-10-30 14:49:21.000000000 +0200
+++ linux-2.6.10-rc1-mm2-full/fs/qnx4/bitmap.c 2004-10-30 14:57:34.000000000 +0200
@@ -28,7 +28,7 @@
return 0;
}

-void count_bits(register const char *bmPart, register int size,
+static void count_bits(register const char *bmPart, register int size,
int *const tf)
{
char b;
@@ -85,62 +85,6 @@

#ifdef CONFIG_QNX4FS_RW

-int qnx4_is_free(struct super_block *sb, long block)
-{
- int start = le32_to_cpu(qnx4_sb(sb)->BitMap->di_first_xtnt.xtnt_blk) - 1;
- int size = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size);
- struct buffer_head *bh;
- const char *g;
- int ret = -EIO;
-
- start += block / (QNX4_BLOCK_SIZE * 8);
- QNX4DEBUG(("qnx4: is_free requesting block [%lu], bitmap in block [%lu]\n",
- (unsigned long) block, (unsigned long) start));
- (void) size; /* CHECKME */
- bh = sb_bread(sb, start);
- if (bh == NULL) {
- return -EIO;
- }
- g = bh->b_data + (block % QNX4_BLOCK_SIZE);
- if (((*g) & (1 << (block % 8))) == 0) {
- QNX4DEBUG(("qnx4: is_free -> block is free\n"));
- ret = 1;
- } else {
- QNX4DEBUG(("qnx4: is_free -> block is busy\n"));
- ret = 0;
- }
- brelse(bh);
-
- return ret;
-}
-
-int qnx4_set_bitmap(struct super_block *sb, long block, int busy)
-{
- int start = le32_to_cpu(qnx4_sb(sb)->BitMap->di_first_xtnt.xtnt_blk) - 1;
- int size = le32_to_cpu(qnx4_sb(sb)->BitMap->di_size);
- struct buffer_head *bh;
- char *g;
-
- start += block / (QNX4_BLOCK_SIZE * 8);
- QNX4DEBUG(("qnx4: set_bitmap requesting block [%lu], bitmap in block [%lu]\n",
- (unsigned long) block, (unsigned long) start));
- (void) size; /* CHECKME */
- bh = sb_bread(sb, start);
- if (bh == NULL) {
- return -EIO;
- }
- g = bh->b_data + (block % QNX4_BLOCK_SIZE);
- if (busy == 0) {
- (*g) &= ~(1 << (block % 8));
- } else {
- (*g) |= (1 << (block % 8));
- }
- mark_buffer_dirty(bh);
- brelse(bh);
-
- return 0;
-}
-
static void qnx4_clear_inode(struct inode *inode)
{
struct qnx4_inode_entry *qnx4_ino = qnx4_raw_inode(inode);

-
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