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C++ LINVFS_GET_VP函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中LINVFS_GET_VP函数的典型用法代码示例。如果您正苦于以下问题：C++ LINVFS_GET_VP函数的具体用法？C++ LINVFS_GET_VP怎么用？C++ LINVFS_GET_VP使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了LINVFS_GET_VP函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: linvfs_setxattr

STATIC int
linvfs_setxattr(
	struct dentry	*dentry,
	const char	*name,
	const void	*data,
	size_t		size,
	int		flags)
{
	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);
	char		*attr = (char *)name;
	attrnames_t	*namesp;
	int		xflags = 0;
	int		error;

	namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
	if (!namesp)
		return -EOPNOTSUPP;
	attr += namesp->attr_namelen;
	error = namesp->attr_capable(vp, NULL);
	if (error)
		return error;

	/* Convert Linux syscall to XFS internal ATTR flags */
	if (flags & XATTR_CREATE)
		xflags |= ATTR_CREATE;
	if (flags & XATTR_REPLACE)
		xflags |= ATTR_REPLACE;
	xflags |= namesp->attr_flag;
	return namesp->attr_set(vp, attr, (void *)data, size, xflags);
}
开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:30，代码来源:xfs_iops.c


示例2: linvfs_get_parent

STATIC struct dentry *
linvfs_get_parent(
	struct dentry		*child)
{
	int			error;
	vnode_t			*vp, *cvp;
	struct dentry		*parent;
	struct inode		*ip = NULL;
	struct dentry		dotdot;

	dotdot.d_name.name = "..";
	dotdot.d_name.len = 2;
	dotdot.d_inode = 0;

	cvp = NULL;
	vp = LINVFS_GET_VP(child->d_inode);
	VOP_LOOKUP(vp, &dotdot, &cvp, 0, NULL, NULL, error);

	if (!error) {
		ASSERT(cvp);
		ip = LINVFS_GET_IP(cvp);
		if (!ip) {
			VN_RELE(cvp);
			return ERR_PTR(-EACCES);
		}
	}
	if (error)
		return ERR_PTR(-error);
	parent = d_alloc_anon(ip);
	if (!parent) {
		VN_RELE(cvp);
		parent = ERR_PTR(-ENOMEM);
	}
	return parent;
}
开发者ID:xricson，项目名称:knoppix，代码行数:35，代码来源:xfs_super.c


示例3: linvfs_getxattr

STATIC ssize_t
linvfs_getxattr(
	struct dentry	*dentry,
	const char	*name,
	void		*data,
	size_t		size)
{
	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);
	char		*attr = (char *)name;
	attrnames_t	*namesp;
	int		xflags = 0;
	ssize_t		error;

	namesp = attr_lookup_namespace(attr, attr_namespaces, ATTR_NAMECOUNT);
	if (!namesp)
		return -EOPNOTSUPP;
	attr += namesp->attr_namelen;
	error = namesp->attr_capable(vp, NULL);
	if (error)
		return error;

	/* Convert Linux syscall to XFS internal ATTR flags */
	if (!size) {
		xflags |= ATTR_KERNOVAL;
		data = NULL;
	}
	xflags |= namesp->attr_flag;
	return namesp->attr_get(vp, attr, (void *)data, size, xflags);
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:29，代码来源:xfs_iops.c


示例4: linvfs_symlink

STATIC int
linvfs_symlink(
	struct inode	*dir,
	struct dentry	*dentry,
	const char	*symname)
{
	struct inode	*ip;
	vattr_t		va;
	vnode_t		*dvp;	/* directory containing name of symlink */
	vnode_t		*cvp;	/* used to lookup symlink to put in dentry */
	int		error;

	dvp = LINVFS_GET_VP(dir);
	cvp = NULL;

	memset(&va, 0, sizeof(va));
	va.va_mode = S_IFLNK |
		(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
	va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;

	error = 0;
	VOP_SYMLINK(dvp, dentry, &va, (char *)symname, &cvp, NULL, error);
	if (likely(!error && cvp)) {
		error = linvfs_init_security(cvp, dir);
		if (likely(!error)) {
			ip = LINVFS_GET_IP(cvp);
			d_instantiate(dentry, ip);
			validate_fields(dir);
			validate_fields(ip);
		}
	}
	return -error;
}
开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:33，代码来源:xfs_iops.c


示例5: linvfs_readlink

STATIC int
linvfs_readlink(
	struct dentry	*dentry,
	char		*buf,
	int		size)
{
	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);
	uio_t		uio;
	iovec_t		iov;
	int		error;

	iov.iov_base = buf;
	iov.iov_len = size;

	uio.uio_iov = &iov;
	uio.uio_offset = 0;
	uio.uio_segflg = UIO_USERSPACE;
	uio.uio_resid = size;
	uio.uio_iovcnt = 1;

	VOP_READLINK(vp, &uio, 0, NULL, error);
	if (error)
		return -error;

	return (size - uio.uio_resid);
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:26，代码来源:xfs_iops.c


示例6: vn_initialize

struct vnode *
vn_initialize(
	struct inode	*inode)
{
	struct vnode	*vp = LINVFS_GET_VP(inode);

	XFS_STATS_INC(vn_active);
	XFS_STATS_INC(vn_alloc);

	vp->v_flag = VMODIFIED;
	spinlock_init(&vp->v_lock, "v_lock");

	spin_lock(&vnumber_lock);
	if (!++vn_generation)	/* v_number shouldn't be zero */
		vn_generation++;
	vp->v_number = vn_generation;
	spin_unlock(&vnumber_lock);

	ASSERT(VN_CACHED(vp) == 0);

	/* Initialize the first behavior and the behavior chain head. */
	vn_bhv_head_init(VN_BHV_HEAD(vp), "vnode");

#ifdef	XFS_VNODE_TRACE
	vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
#endif	/* XFS_VNODE_TRACE */

	vn_trace_exit(vp, "vn_initialize", (inst_t *)__return_address);
	return vp;
}
开发者ID:OpenHMR，项目名称:Open-HMR600，代码行数:30，代码来源:xfs_vnode.c


示例7: linvfs_symlink

STATIC int
linvfs_symlink(
	struct inode	*dir,
	struct dentry	*dentry,
	const char	*symname)
{
	struct inode	*ip;
	vattr_t		va;
	vnode_t		*dvp;	/* directory containing name of symlink */
	vnode_t		*cvp;	/* used to lookup symlink to put in dentry */
	int		error;

	dvp = LINVFS_GET_VP(dir);
	cvp = NULL;

	memset(&va, 0, sizeof(va));
	va.va_type = VLNK;
	va.va_mode = irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO;
	va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;

	error = 0;
	VOP_SYMLINK(dvp, dentry, &va, (char *)symname, &cvp, NULL, error);
	if (!error && cvp) {
		ASSERT(cvp->v_type == VLNK);
		ip = LINVFS_GET_IP(cvp);
		d_instantiate(dentry, ip);
		validate_fields(dir);
		validate_fields(ip); /* size needs update */
	}
	return -error;
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:31，代码来源:xfs_iops.c


示例8: xfs_set_inodeops

STATIC __inline__ void
xfs_set_inodeops(
	struct inode		*inode)
{
	vnode_t			*vp = LINVFS_GET_VP(inode);

	if (vp->v_type == VNON) {
		make_bad_inode(inode);
	} else if (S_ISREG(inode->i_mode)) {
		inode->i_op = &linvfs_file_inode_operations;
		inode->i_fop = &linvfs_file_operations;
		inode->i_mapping->a_ops = &linvfs_aops;
	} else if (S_ISDIR(inode->i_mode)) {
		inode->i_op = &linvfs_dir_inode_operations;
		inode->i_fop = &linvfs_dir_operations;
	} else if (S_ISLNK(inode->i_mode)) {
		inode->i_op = &linvfs_symlink_inode_operations;
		if (inode->i_blocks)
			inode->i_mapping->a_ops = &linvfs_aops;
	} else {
		inode->i_op = &linvfs_file_inode_operations;
		init_special_inode(inode, inode->i_mode,
					inode->i_rdev);
	}
}
开发者ID:xricson，项目名称:knoppix，代码行数:25，代码来源:xfs_super.c


示例9: linvfs_lookup

STATIC struct dentry *
linvfs_lookup(
	struct inode	*dir,
	struct dentry	*dentry)
{
	struct inode	*ip = NULL;
	vnode_t		*vp, *cvp = NULL;
	int		error;

	if (dentry->d_name.len >= MAXNAMELEN)
		return ERR_PTR(-ENAMETOOLONG);

	vp = LINVFS_GET_VP(dir);
	VOP_LOOKUP(vp, dentry, &cvp, 0, NULL, NULL, error);
	if (!error) {
		ASSERT(cvp);
		ip = LINVFS_GET_IP(cvp);
		if (!ip) {
			VN_RELE(cvp);
			return ERR_PTR(-EACCES);
		}
	}
	if (error && (error != ENOENT))
		return ERR_PTR(-error);
	d_add(dentry, ip);	/* Negative entry goes in if ip is NULL */
	return NULL;
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:27，代码来源:xfs_iops.c


示例10: linvfs_file_mmap

STATIC int
linvfs_file_mmap(
	struct file	*filp,
	struct vm_area_struct *vma)
{
	struct inode	*ip = filp->f_dentry->d_inode;
	vnode_t		*vp = LINVFS_GET_VP(ip);
	vattr_t		va = { .va_mask = XFS_AT_UPDATIME };
	int		error;

	if (vp->v_vfsp->vfs_flag & VFS_DMI) {
		xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);

		error = -XFS_SEND_MMAP(mp, vma, 0);
		if (error)
			return error;
	}

	vma->vm_ops = &linvfs_file_vm_ops;

	VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
	if (!error)
		vn_revalidate(vp);	/* update Linux inode flags */
	return 0;
}
开发者ID:GodFox，项目名称:magx_kernel_xpixl，代码行数:25，代码来源:xfs_file.c


示例11: linvfs_setattr

STATIC int
linvfs_setattr(
	struct dentry	*dentry,
	struct iattr	*attr)
{
	struct inode	*inode = dentry->d_inode;
	unsigned int	ia_valid = attr->ia_valid;
	vnode_t		*vp = LINVFS_GET_VP(inode);
	vattr_t		vattr;
	int		flags = 0;
	int		error;

	memset(&vattr, 0, sizeof(vattr_t));
	if (ia_valid & ATTR_UID) {
		vattr.va_mask |= XFS_AT_UID;
		vattr.va_uid = attr->ia_uid;
	}
	if (ia_valid & ATTR_GID) {
		vattr.va_mask |= XFS_AT_GID;
		vattr.va_gid = attr->ia_gid;
	}
	if (ia_valid & ATTR_SIZE) {
		vattr.va_mask |= XFS_AT_SIZE;
		vattr.va_size = attr->ia_size;
	}
	if (ia_valid & ATTR_ATIME) {
		vattr.va_mask |= XFS_AT_ATIME;
		vattr.va_atime = attr->ia_atime;
		inode->i_atime = attr->ia_atime;
	}
	if (ia_valid & ATTR_MTIME) {
		vattr.va_mask |= XFS_AT_MTIME;
		vattr.va_mtime = attr->ia_mtime;
	}
	if (ia_valid & ATTR_CTIME) {
		vattr.va_mask |= XFS_AT_CTIME;
		vattr.va_ctime = attr->ia_ctime;
	}
	if (ia_valid & ATTR_MODE) {
		vattr.va_mask |= XFS_AT_MODE;
		vattr.va_mode = attr->ia_mode;
		if (!in_group_p(inode->i_gid) && !capable(CAP_FSETID))
			inode->i_mode &= ~S_ISGID;
	}

	if (ia_valid & (ATTR_MTIME_SET | ATTR_ATIME_SET))
		flags |= ATTR_UTIME;
#ifdef ATTR_NO_BLOCK
	if ((ia_valid & ATTR_NO_BLOCK))
		flags |= ATTR_NONBLOCK;
#endif

	VOP_SETATTR(vp, &vattr, flags, NULL, error);
	if (error)
		return -error;
	vn_revalidate(vp);
	return error;
}
开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:58，代码来源:xfs_iops.c


示例12: linvfs_revalidate

STATIC int
linvfs_revalidate(
	struct dentry	*dentry)
{
	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);

	if (unlikely(vp->v_flag & VMODIFIED))
		return vn_revalidate(vp);
	return 0;
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:10，代码来源:xfs_iops.c


示例13: linvfs_permission

STATIC int
linvfs_permission(
	struct inode	*inode,
	int		mode)
{
	vnode_t		*vp = LINVFS_GET_VP(inode);
	int		error;

	mode <<= 6;		/* convert from linux to vnode access bits */
	VOP_ACCESS(vp, mode, NULL, error);
	return -error;
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:12，代码来源:xfs_iops.c


示例14: linvfs_release

STATIC int
linvfs_release(
	struct inode	*inode,
	struct file	*filp)
{
	vnode_t		*vp = LINVFS_GET_VP(inode);
	int		error = 0;

	if (vp)
		VOP_RELEASE(vp, error);
	return -error;
}
开发者ID:GodFox，项目名称:magx_kernel_xpixl，代码行数:12，代码来源:xfs_file.c


示例15: linvfs_open

STATIC int linvfs_open(
	struct inode *inode,
	struct file *filp)
{
	vnode_t *vp = LINVFS_GET_VP(inode);
	vnode_t *newvp;
	int	error;

	ASSERT(vp);

	VOP_OPEN(vp, &newvp, 0, get_current_cred(), error);

	return -error;
}
开发者ID:crossmeta，项目名称:sgi，代码行数:14，代码来源:xfs_file.c


示例16: linvfs_follow_link

/*
 * careful here - this function can get called recursively, so
 * we need to be very careful about how much stack we use.
 * uio is kmalloced for this reason...
 */
STATIC void *
linvfs_follow_link(
	struct dentry		*dentry,
	struct nameidata	*nd)
{
	vnode_t			*vp;
	uio_t			*uio;
	iovec_t			iov;
	int			error;
	char			*link;

	ASSERT(dentry);
	ASSERT(nd);

	link = (char *)kmalloc(MAXPATHLEN+1, GFP_KERNEL);
	if (!link) {
		nd_set_link(nd, ERR_PTR(-ENOMEM));
		return NULL;
	}

	uio = (uio_t *)kmalloc(sizeof(uio_t), GFP_KERNEL);
	if (!uio) {
		kfree(link);
		nd_set_link(nd, ERR_PTR(-ENOMEM));
		return NULL;
	}

	vp = LINVFS_GET_VP(dentry->d_inode);

	iov.iov_base = link;
	iov.iov_len = MAXPATHLEN;

	uio->uio_iov = &iov;
	uio->uio_offset = 0;
	uio->uio_segflg = UIO_SYSSPACE;
	uio->uio_resid = MAXPATHLEN;
	uio->uio_iovcnt = 1;

	VOP_READLINK(vp, uio, 0, NULL, error);
	if (error) {
		kfree(link);
		link = ERR_PTR(-error);
	} else {
		link[MAXPATHLEN - uio->uio_resid] = '\0';
	}
	kfree(uio);

	nd_set_link(nd, link);
	return NULL;
}
开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:55，代码来源:xfs_iops.c


示例17: linvfs_sendfile

STATIC ssize_t
linvfs_sendfile(
	struct file		*filp,
	loff_t			*ppos,
	size_t			count,
	read_actor_t		actor,
	void			*target)
{
	vnode_t			*vp = LINVFS_GET_VP(filp->f_dentry->d_inode);
	ssize_t			rval;

	VOP_SENDFILE(vp, filp, ppos, 0, count, actor, target, NULL, rval);
	return rval;
}
开发者ID:GodFox，项目名称:magx_kernel_xpixl，代码行数:14，代码来源:xfs_file.c


示例18: linvfs_follow_link

/*
 * careful here - this function can get called recursively, so
 * we need to be very careful about how much stack we use.
 * uio is kmalloced for this reason...
 */
STATIC int
linvfs_follow_link(
	struct dentry		*dentry,
	struct nameidata	*nd)
{
	vnode_t			*vp;
	uio_t			*uio;
	iovec_t			iov;
	int			error;
	char			*link;

	ASSERT(dentry);
	ASSERT(nd);

	link = (char *)kmalloc(MAXNAMELEN+1, GFP_KERNEL);
	if (!link)
		return -ENOMEM;

	uio = (uio_t *)kmalloc(sizeof(uio_t), GFP_KERNEL);
	if (!uio) {
		kfree(link);
		return -ENOMEM;
	}

	vp = LINVFS_GET_VP(dentry->d_inode);

	iov.iov_base = link;
	iov.iov_len = MAXNAMELEN;

	uio->uio_iov = &iov;
	uio->uio_offset = 0;
	uio->uio_segflg = UIO_SYSSPACE;
	uio->uio_resid = MAXNAMELEN;
	uio->uio_iovcnt = 1;

	VOP_READLINK(vp, uio, 0, NULL, error);
	if (error) {
		kfree(uio);
		kfree(link);
		return -error;
	}

	link[MAXNAMELEN - uio->uio_resid] = '\0';
	kfree(uio);

	/* vfs_follow_link returns (-) errors */
	error = vfs_follow_link(nd, link);
	kfree(link);
	return error;
}
开发者ID:JBTech，项目名称:ralink_rt5350，代码行数:55，代码来源:xfs_iops.c


示例19: linvfs_write_inode

/*
 * Attempt to flush the inode, this will actually fail
 * if the inode is pinned, but we dirty the inode again
 * at the point when it is unpinned after a log write,
 * since this is when the inode itself becomes flushable. 
 */
STATIC void
linvfs_write_inode(
	struct inode		*inode,
	int			sync)
{
	vnode_t			*vp = LINVFS_GET_VP(inode);
	int			error, flags = FLUSH_INODE;

	if (vp) {
		vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
		if (sync)
			flags |= FLUSH_SYNC;
		VOP_IFLUSH(vp, flags, error);
	}
}
开发者ID:xricson，项目名称:knoppix，代码行数:21，代码来源:xfs_super.c


示例20: linvfs_clear_inode

STATIC void
linvfs_clear_inode(
	struct inode		*inode)
{
	vnode_t			*vp = LINVFS_GET_VP(inode);

	if (vp) {
		vn_rele(vp);
		vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
		/*
		 * Do all our cleanup, and remove this vnode.
		 */
		vn_remove(vp);
	}
}
开发者ID:xricson，项目名称:knoppix，代码行数:15，代码来源:xfs_super.c



注：本文中的LINVFS_GET_VP函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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