kernel_optimize_test/arch/um/drivers/cow_sys.h
Paolo 'Blaisorblade' Giarrusso fe1db50c72 [PATCH] uml: tidying COW code
Improve (especially for coherence) some prototypes, and return code of
init_cow_file in error case - for a short write return -EINVAL, otherwise
return the error we got!

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-02-24 14:31:37 -08:00

49 lines
808 B
C

#ifndef __COW_SYS_H__
#define __COW_SYS_H__
#include "kern_util.h"
#include "user_util.h"
#include "os.h"
#include "user.h"
static inline void *cow_malloc(int size)
{
return(um_kmalloc(size));
}
static inline void cow_free(void *ptr)
{
kfree(ptr);
}
#define cow_printf printk
static inline char *cow_strdup(char *str)
{
return(uml_strdup(str));
}
static inline int cow_seek_file(int fd, __u64 offset)
{
return(os_seek_file(fd, offset));
}
static inline int cow_file_size(char *file, __u64 *size_out)
{
return(os_file_size(file, size_out));
}
static inline int cow_write_file(int fd, void *buf, int size)
{
return(os_write_file(fd, buf, size));
}
#endif
/*
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/