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Make posix_fallocate() and posix_fadvise() work.

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We can map these system calls directly to the FreeBSD counterparts. The
other filesystem related system calls will be sent out for review
separately, as they are a bit more complex to get right.
This commit is contained in:
Ed Schouten 2015-07-15 09:14:06 +00:00
parent 8239de9b1b
commit 4fa92fb538
1 changed files with 31 additions and 4 deletions
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35
sys/compat/cloudabi/cloudabi_file.c
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@ -26,15 +26,43 @@
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/fcntl.h>
#include <sys/syscallsubr.h>
#include <compat/cloudabi/cloudabi_proto.h>
#include <compat/cloudabi/cloudabi_syscalldefs.h>
int
cloudabi_sys_file_advise(struct thread *td,
struct cloudabi_sys_file_advise_args *uap)
{
int advice;
/* Not implemented. */
return (ENOSYS);
switch (uap->advice) {
case CLOUDABI_ADVICE_DONTNEED:
advice = POSIX_FADV_DONTNEED;
break;
case CLOUDABI_ADVICE_NOREUSE:
advice = POSIX_FADV_NOREUSE;
break;
case CLOUDABI_ADVICE_NORMAL:
advice = POSIX_FADV_NORMAL;
break;
case CLOUDABI_ADVICE_RANDOM:
advice = POSIX_FADV_RANDOM;
break;
case CLOUDABI_ADVICE_SEQUENTIAL:
advice = POSIX_FADV_SEQUENTIAL;
break;
case CLOUDABI_ADVICE_WILLNEED:
advice = POSIX_FADV_WILLNEED;
break;
default:
return (EINVAL);
}
return (kern_posix_fadvise(td, uap->fd, uap->offset, uap->len, advice));
}
int
@ -42,8 +70,7 @@ cloudabi_sys_file_allocate(struct thread *td,
struct cloudabi_sys_file_allocate_args *uap)
{
/* Not implemented. */
return (ENOSYS);
return (kern_posix_fallocate(td, uap->fd, uap->offset, uap->len));
}
int