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Diffstat (limited to 'sys/compat/linux/linux_file.c')
-rw-r--r--sys/compat/linux/linux_file.c75
1 files changed, 59 insertions, 16 deletions
diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c
index 19104a4..ee1d1ba 100644
--- a/sys/compat/linux/linux_file.c
+++ b/sys/compat/linux/linux_file.c
@@ -235,6 +235,7 @@ linux_lseek(struct thread *td, struct linux_lseek_args *args)
return error;
}
+#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
int
linux_llseek(struct thread *td, struct linux_llseek_args *args)
{
@@ -273,6 +274,7 @@ linux_readdir(struct thread *td, struct linux_readdir_args *args)
lda.count = 1;
return linux_getdents(td, &lda);
}
+#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
/*
* Note that linux_getdents(2) and linux_getdents64(2) have the same
@@ -367,8 +369,8 @@ getdents_common(struct thread *td, struct linux_getdents64_args *args,
buflen = max(LINUX_DIRBLKSIZ, nbytes);
buflen = min(buflen, MAXBSIZE);
- buf = malloc(buflen, M_TEMP, M_WAITOK);
- lbuf = malloc(LINUX_MAXRECLEN, M_TEMP, M_WAITOK | M_ZERO);
+ buf = malloc(buflen, M_LINUX, M_WAITOK);
+ lbuf = malloc(LINUX_MAXRECLEN, M_LINUX, M_WAITOK | M_ZERO);
vn_lock(vp, LK_SHARED | LK_RETRY);
aiov.iov_base = buf;
@@ -519,8 +521,8 @@ out:
VOP_UNLOCK(vp, 0);
foffset_unlock(fp, off, 0);
fdrop(fp, td);
- free(buf, M_TEMP);
- free(lbuf, M_TEMP);
+ free(buf, M_LINUX);
+ free(lbuf, M_LINUX);
return (error);
}
@@ -578,10 +580,8 @@ int
linux_faccessat(struct thread *td, struct linux_faccessat_args *args)
{
char *path;
- int error, dfd, flag;
+ int error, dfd;
- if (args->flag & ~LINUX_AT_EACCESS)
- return (EINVAL);
/* linux convention */
if (args->amode & ~(F_OK | X_OK | W_OK | R_OK))
return (EINVAL);
@@ -594,8 +594,7 @@ linux_faccessat(struct thread *td, struct linux_faccessat_args *args)
printf(ARGS(access, "%s, %d"), path, args->amode);
#endif
- flag = (args->flag & LINUX_AT_EACCESS) == 0 ? 0 : AT_EACCESS;
- error = kern_accessat(td, dfd, path, UIO_SYSSPACE, flag, args->amode);
+ error = kern_accessat(td, dfd, path, UIO_SYSSPACE, 0, args->amode);
LFREEPATH(path);
return (error);
@@ -919,6 +918,7 @@ linux_truncate(struct thread *td, struct linux_truncate_args *args)
return (error);
}
+#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
int
linux_truncate64(struct thread *td, struct linux_truncate64_args *args)
{
@@ -936,6 +936,8 @@ linux_truncate64(struct thread *td, struct linux_truncate64_args *args)
LFREEPATH(path);
return (error);
}
+#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
+
int
linux_ftruncate(struct thread *td, struct linux_ftruncate_args *args)
{
@@ -1123,6 +1125,7 @@ linux_mount(struct thread *td, struct linux_mount_args *args)
return (error);
}
+#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
int
linux_oldumount(struct thread *td, struct linux_oldumount_args *args)
{
@@ -1132,6 +1135,7 @@ linux_oldumount(struct thread *td, struct linux_oldumount_args *args)
args2.flags = 0;
return (linux_umount(td, &args2));
}
+#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
int
linux_umount(struct thread *td, struct linux_umount_args *args)
@@ -1262,7 +1266,7 @@ bsd_to_linux_flock64(struct flock *bsd_flock, struct l_flock64 *linux_flock)
#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
static int
-fcntl_common(struct thread *td, struct linux_fcntl64_args *args)
+fcntl_common(struct thread *td, struct linux_fcntl_args *args)
{
struct l_flock linux_flock;
struct flock bsd_flock;
@@ -1380,6 +1384,9 @@ fcntl_common(struct thread *td, struct linux_fcntl64_args *args)
fdrop(fp, td);
return (kern_fcntl(td, args->fd, F_SETOWN, args->arg));
+
+ case LINUX_F_DUPFD_CLOEXEC:
+ return (kern_fcntl(td, args->fd, F_DUPFD_CLOEXEC, args->arg));
}
return (EINVAL);
@@ -1388,17 +1395,13 @@ fcntl_common(struct thread *td, struct linux_fcntl64_args *args)
int
linux_fcntl(struct thread *td, struct linux_fcntl_args *args)
{
- struct linux_fcntl64_args args64;
#ifdef DEBUG
if (ldebug(fcntl))
printf(ARGS(fcntl, "%d, %08x, *"), args->fd, args->cmd);
#endif
- args64.fd = args->fd;
- args64.cmd = args->cmd;
- args64.arg = args->arg;
- return (fcntl_common(td, &args64));
+ return (fcntl_common(td, args));
}
#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
@@ -1407,6 +1410,7 @@ linux_fcntl64(struct thread *td, struct linux_fcntl64_args *args)
{
struct l_flock64 linux_flock;
struct flock bsd_flock;
+ struct linux_fcntl_args fcntl_args;
int error;
#ifdef DEBUG
@@ -1447,7 +1451,10 @@ linux_fcntl64(struct thread *td, struct linux_fcntl64_args *args)
(intptr_t)&bsd_flock));
}
- return (fcntl_common(td, args));
+ fcntl_args.fd = args->fd;
+ fcntl_args.cmd = args->cmd;
+ fcntl_args.arg = args->arg;
+ return (fcntl_common(td, &fcntl_args));
}
#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
@@ -1543,6 +1550,7 @@ linux_fadvise64(struct thread *td, struct linux_fadvise64_args *args)
advice));
}
+#if defined(__i386__) || (defined(__amd64__) && defined(COMPAT_LINUX32))
int
linux_fadvise64_64(struct thread *td, struct linux_fadvise64_64_args *args)
{
@@ -1554,6 +1562,7 @@ linux_fadvise64_64(struct thread *td, struct linux_fadvise64_64_args *args)
return (kern_posix_fadvise(td, args->fd, args->offset, args->len,
advice));
}
+#endif /* __i386__ || (__amd64__ && COMPAT_LINUX32) */
int
linux_pipe(struct thread *td, struct linux_pipe_args *args)
@@ -1600,3 +1609,37 @@ linux_pipe2(struct thread *td, struct linux_pipe2_args *args)
/* XXX: Close descriptors on error. */
return (copyout(fildes, args->pipefds, sizeof(fildes)));
}
+
+int
+linux_dup3(struct thread *td, struct linux_dup3_args *args)
+{
+ int cmd;
+ intptr_t newfd;
+
+ if (args->oldfd == args->newfd)
+ return (EINVAL);
+ if ((args->flags & ~LINUX_O_CLOEXEC) != 0)
+ return (EINVAL);
+ if (args->flags & LINUX_O_CLOEXEC)
+ cmd = F_DUP2FD_CLOEXEC;
+ else
+ cmd = F_DUP2FD;
+
+ newfd = args->newfd;
+ return (kern_fcntl(td, args->oldfd, cmd, newfd));
+}
+
+int
+linux_fallocate(struct thread *td, struct linux_fallocate_args *args)
+{
+
+ /*
+ * We emulate only posix_fallocate system call for which
+ * mode should be 0.
+ */
+ if (args->mode != 0)
+ return (ENOSYS);
+
+ return (kern_posix_fallocate(td, args->fd, args->offset,
+ args->len));
+}
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