C++ (Cpp) fd_statfs示例

示例#1

文件： compat.c 项目： BWhitten/linux-stable

COMPAT_SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct compat_statfs __user *, buf)
{
	struct kstatfs tmp;
	int error = fd_statfs(fd, &tmp);
	if (!error)
		error = put_compat_statfs(buf, &tmp);
	return error;
}

示例#2

文件： compat.c 项目： adis1313/android_kernel_samsung_msm8974

asmlinkage long compat_sys_fstatfs(unsigned int fd, struct compat_statfs __user *buf)
{
	struct kstatfs tmp;
	int error = fd_statfs(fd, &tmp);
	if (!error)
		error = put_compat_statfs(buf, &tmp);
	return error;
}

示例#3

文件： statfs.c 项目： rrowicki/Chrono_Kernel-1

SYSCALL_DEFINE2(fstatfs, unsigned int, fd, struct statfs __user *, buf)
{
	struct kstatfs st;
	int error = fd_statfs(fd, &st);
	if (!error)
		error = do_statfs_native(&st, buf);
	return error;
}

示例#4

文件： sys_hpux.c 项目： adis1313/android_kernel_samsung_msm8974

asmlinkage long hpux_fstatfs(unsigned int fd, struct hpux_statfs __user * buf)
{
	struct kstatfs st;
	int error = fd_statfs(fd, &st);
	if (!error)
		error = do_statfs_hpux(&st, buf);
	return error;
}

示例#5

文件： compat.c 项目： adis1313/android_kernel_samsung_msm8974

asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct compat_statfs64 __user *buf)
{
	struct kstatfs tmp;
	int error;

	if (sz != sizeof(*buf))
		return -EINVAL;

	error = fd_statfs(fd, &tmp);
	if (!error)
		error = put_compat_statfs64(buf, &tmp);
	return error;
}

示例#6

文件： compat.c 项目： BWhitten/linux-stable

COMPAT_SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, compat_size_t, sz, struct compat_statfs64 __user *, buf)
{
	struct kstatfs tmp;
	int error;

	if (sz != sizeof(*buf))
		return -EINVAL;

	error = fd_statfs(fd, &tmp);
	if (!error)
		error = put_compat_statfs64(buf, &tmp);
	return error;
}

示例#7

文件： statfs.c 项目： rrowicki/Chrono_Kernel-1

SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user *, buf)
{
	struct kstatfs st;
	int error;

	if (sz != sizeof(*buf))
		return -EINVAL;

	error = fd_statfs(fd, &st);
	if (!error)
		error = do_statfs64(&st, buf);
	return error;
}

示例#8

文件： sync.c 项目： marcio199226/ebreo_kernel_d802_msm8974

int async_fsync(struct file *file, int fd)
{
	struct inode *inode = file->f_mapping->host;
	struct super_block *sb = inode->i_sb;
	struct kstatfs st;

	if ((sb->fsync_flags & FLAG_ASYNC_FSYNC) == 0)
		return 0;

	if (!emmc_perf_degr())
		return 0;

	if (fd_statfs(fd, &st))
		return 0;

	if (st.f_bfree > LOW_STORAGE_THRESHOLD)
		return 0;

	return 1;
}