AcoSail/kernel_optimize_test
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qnx4: get rid of qnx4_bread/qnx4_getblk

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pointless, since the only caller will want the physical block
number anyway; might as well call qnx4_block_map() and use
sb_bread()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-02-13 20:57:12 -05:00
parent 19e5109fef
commit 8f82ecae53
3 changed files with 3 additions and 36 deletions
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32
fs/qnx4/inode.c
View File

@ -52,38 +52,6 @@ static int qnx4_remount(struct super_block *sb, int *flags, char *data)
return 0;
}
static struct buffer_head *qnx4_getblk(struct inode *inode, int nr,
int create)
{
struct buffer_head *result = NULL;
if ( nr >= 0 )
nr = qnx4_block_map( inode, nr );
if (nr) {
result = sb_getblk(inode->i_sb, nr);
return result;
}
return NULL;
}
struct buffer_head *qnx4_bread(struct inode *inode, int block, int create)
{
struct buffer_head *bh;
bh = qnx4_getblk(inode, block, create);
if (!bh || buffer_uptodate(bh)) {
return bh;
}
ll_rw_block(READ, 1, &bh);
wait_on_buffer(bh);
if (buffer_uptodate(bh)) {
return bh;
}
brelse(bh);
return NULL;
}
static int qnx4_get_block( struct inode *inode, sector_t iblock, struct buffer_head *bh, int create )
{
unsigned long phys;

5
fs/qnx4/namei.c
View File

@ -68,7 +68,9 @@ static struct buffer_head *qnx4_find_entry(int len, struct inode *dir,
block = offset = blkofs = 0;
while (blkofs * QNX4_BLOCK_SIZE + offset < dir->i_size) {
if (!bh) {
bh = qnx4_bread(dir, blkofs, 0);
block = qnx4_block_map(dir, blkofs);
if (block)
bh = sb_bread(dir->i_sb, block);
if (!bh) {
blkofs++;
continue;
@ -76,7 +78,6 @@ static struct buffer_head *qnx4_find_entry(int len, struct inode *dir,
}
*res_dir = (struct qnx4_inode_entry *) (bh->b_data + offset);
if (qnx4_match(len, name, bh, &offset)) {
block = qnx4_block_map( dir, blkofs );
*ino = block * QNX4_INODES_PER_BLOCK +
(offset / QNX4_DIR_ENTRY_SIZE) - 1;
return bh;

2
fs/qnx4/qnx4.h
View File

@ -27,8 +27,6 @@ extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, stru
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_bread(struct inode *, int, int);
extern const struct inode_operations qnx4_dir_inode_operations;
extern const struct file_operations qnx4_dir_operations;
extern int qnx4_is_free(struct super_block *sb, long block);