Reading through 2.6.23's vmtruncate() [mm/memory.c], I notice that vmtruncate
reads inode->i_size directly and not through the i_size_read() wrapper. Is
that OK?
Lower down the same function calls i_size_write() and the calling chain calls
i_size_read() so why is i_size_read() not being used here?
int vmtruncate(struct inode * inode, loff_t offset)
{
struct address_space *mapping = inode->i_mapping;
unsigned long limit;
if (inode->i_size < offset)
goto do_expand;
...
}
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