C++ coda_iscontrol函数代码示例

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本文整理汇总了C++中coda_iscontrol函数的典型用法代码示例。如果您正苦于以下问题：C++ coda_iscontrol函数的具体用法？C++ coda_iscontrol怎么用？C++ coda_iscontrol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coda_iscontrol函数的17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: coda_create

/* creation routines: create, mknod, mkdir, link, symlink */
static int coda_create(struct inode *dir, struct dentry *de, int mode, struct nameidata *nd)
{
	int error;
	const char *name=de->d_name.name;
	int length=de->d_name.len;
	struct inode *inode;
	struct CodaFid newfid;
	struct coda_vattr attrs;

	if (coda_isroot(dir) && coda_iscontrol(name, length))
		return -EPERM;

	error = venus_create(dir->i_sb, coda_i2f(dir), name, length, 
				0, mode, &newfid, &attrs);
	if (error)
		goto err_out;

	inode = coda_iget(dir->i_sb, &newfid, &attrs);
	if (IS_ERR(inode)) {
		error = PTR_ERR(inode);
		goto err_out;
	}

	/* invalidate the directory cnode's attributes */
	coda_dir_update_mtime(dir);
	d_instantiate(de, inode);
	return 0;
err_out:
	d_drop(de);
	return error;
}

开发者ID:CSCLOG，项目名称:beaglebone，代码行数:32，代码来源:dir.c

示例2: coda_mkdir

static int coda_mkdir(struct inode *dir, struct dentry *de, int mode)
{
	struct inode *inode;
	struct coda_vattr attrs;
	const char *name = de->d_name.name;
	int len = de->d_name.len;
	int error;
	struct CodaFid newfid;

	if (coda_isroot(dir) && coda_iscontrol(name, len))
		return -EPERM;

	attrs.va_mode = mode;
	error = venus_mkdir(dir->i_sb, coda_i2f(dir), 
			       name, len, &newfid, &attrs);
	if (error)
		goto err_out;
         
	inode = coda_iget(dir->i_sb, &newfid, &attrs);
	if (IS_ERR(inode)) {
		error = PTR_ERR(inode);
		goto err_out;
	}

	/* invalidate the directory cnode's attributes */
	coda_dir_inc_nlink(dir);
	coda_dir_update_mtime(dir);
	d_instantiate(de, inode);
	return 0;
err_out:
	d_drop(de);
	return error;
}

开发者ID:CSCLOG，项目名称:beaglebone，代码行数:33，代码来源:dir.c

示例3: printk

/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struct nameidata *nd)
{
	struct super_block *sb = dir->i_sb;
	const char *name = entry->d_name.name;
	size_t length = entry->d_name.len;
	struct inode *inode;
	int type = 0;

	if (length > CODA_MAXNAMLEN) {
		printk(KERN_ERR "name too long: lookup, %s (%*s)\n",
		       coda_i2s(dir), (int)length, name);
		return ERR_PTR(-ENAMETOOLONG);
	}

	/* control object, create inode on the fly */
	if (coda_isroot(dir) && coda_iscontrol(name, length)) {
		inode = coda_cnode_makectl(sb);
		type = CODA_NOCACHE;
	} else {
		struct CodaFid fid = { { 0, } };
		int error = venus_lookup(sb, coda_i2f(dir), name, length,
				     &type, &fid);
		inode = !error ? coda_cnode_make(&fid, sb) : ERR_PTR(error);
	}

	if (!IS_ERR(inode) && (type & CODA_NOCACHE))
		coda_flag_inode(inode, C_VATTR | C_PURGE);

	if (inode == ERR_PTR(-ENOENT))
		inode = NULL;

	return d_splice_alias(inode, entry);
}

开发者ID:robcore，项目名称:Alucard-Kernel-jfltexx，代码行数:34，代码来源:dir.c

示例4: coda_symlink

static int coda_symlink(struct inode *dir_inode, struct dentry *de,
			const char *symname)
{
	const char *name = de->d_name.name;
	int len = de->d_name.len;
	int symlen;
	int error;

	if (coda_isroot(dir_inode) && coda_iscontrol(name, len))
		return -EPERM;

	symlen = strlen(symname);
	if (symlen > CODA_MAXPATHLEN)
		return -ENAMETOOLONG;

	d_drop(de);
	error = venus_symlink(dir_inode->i_sb, coda_i2f(dir_inode), name, len,
			      symname, symlen);

	
	if (!error)
		coda_dir_update_mtime(dir_inode);

	return error;
}

开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:25，代码来源:dir.c

示例5: coda_link

/* try to make de an entry in dir_inodde linked to source_de */ 
static int coda_link(struct dentry *source_de, struct inode *dir_inode, 
	  struct dentry *de)
{
	struct inode *inode = source_de->d_inode;
        const char * name = de->d_name.name;
	int len = de->d_name.len;
	int error;

	lock_kernel();

	if (coda_isroot(dir_inode) && coda_iscontrol(name, len)) {
		unlock_kernel();
		return -EPERM;
	}

	error = venus_link(dir_inode->i_sb, coda_i2f(inode),
			   coda_i2f(dir_inode), (const char *)name, len);

	if (error) {
		d_drop(de);
		goto out;
	}

	coda_dir_update_mtime(dir_inode);
	atomic_inc(&inode->i_count);
	d_instantiate(de, inode);
	inc_nlink(inode);

out:
	unlock_kernel();
	return(error);
}

开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:33，代码来源:dir.c

示例6: coda_symlink

static int coda_symlink(struct inode *dir_inode, struct dentry *de,
			const char *symname)
{
        const char *name = de->d_name.name;
	int len = de->d_name.len;
	int symlen;
        int error=0;
        
	coda_vfs_stat.symlink++;

	if (coda_isroot(dir_inode) && coda_iscontrol(name, len))
		return -EPERM;

	symlen = strlen(symname);
	if ( symlen > CODA_MAXPATHLEN )
                return -ENAMETOOLONG;

        CDEBUG(D_INODE, "symname: %s, length: %d\n", symname, symlen);

	/*
	 * This entry is now negative. Since we do not create
	 * an inode for the entry we have to drop it. 
	 */
	d_drop(de);
	error = venus_symlink(dir_inode->i_sb, coda_i2f(dir_inode), name, len, 
			      symname, symlen);

	/* mtime is no good anymore */
	if ( !error )
		coda_dir_changed(dir_inode, 0);

        CDEBUG(D_INODE, "in symlink result %d\n",error);
        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:34，代码来源:dir.c

示例7: coda_link

/* try to make de an entry in dir_inodde linked to source_de */ 
static int coda_link(struct dentry *source_de, struct inode *dir_inode, 
	  struct dentry *de)
{
	struct inode *inode = source_de->d_inode;
        const char * name = de->d_name.name;
	int len = de->d_name.len;
	int error;

	coda_vfs_stat.link++;

	if (coda_isroot(dir_inode) && coda_iscontrol(name, len))
		return -EPERM;

	CDEBUG(D_INODE, "old: fid: %s\n", coda_i2s(inode));
	CDEBUG(D_INODE, "directory: %s\n", coda_i2s(dir_inode));

	error = venus_link(dir_inode->i_sb, coda_i2f(inode),
			   coda_i2f(dir_inode), (const char *)name, len);

	if (error) { 
		d_drop(de);
		goto out;
	}

	coda_dir_changed(dir_inode, 0);
	atomic_inc(&inode->i_count);
	d_instantiate(de, inode);
	inode->i_nlink++;
        
out:
	CDEBUG(D_INODE, "link result %d\n",error);
	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:34，代码来源:dir.c

示例8: coda_symlink

static int coda_symlink(struct inode *dir_inode, struct dentry *de,
			const char *symname)
{
	const char *name = de->d_name.name;
	int len = de->d_name.len;
	int symlen;
	int error;

	if (coda_isroot(dir_inode) && coda_iscontrol(name, len))
		return -EPERM;

	symlen = strlen(symname);
	if (symlen > CODA_MAXPATHLEN)
		return -ENAMETOOLONG;

	/*
	 * This entry is now negative. Since we do not create
	 * an inode for the entry we have to drop it.
	 */
	d_drop(de);
	error = venus_symlink(dir_inode->i_sb, coda_i2f(dir_inode), name, len,
			      symname, symlen);

	/* mtime is no good anymore */
	if (!error)
		coda_dir_update_mtime(dir_inode);

	return error;
}

开发者ID:CSCLOG，项目名称:beaglebone，代码行数:29，代码来源:dir.c

示例9: coda_link

/* try to make de an entry in dir_inodde linked to source_de */ 
static int coda_link(struct dentry *source_de, struct inode *dir_inode, 
	  struct dentry *de)
{
	struct inode *inode = source_de->d_inode;
        const char * name = de->d_name.name;
	int len = de->d_name.len;
	int error;

	if (coda_isroot(dir_inode) && coda_iscontrol(name, len))
		
#ifdef CONFIG_GOD_MODE
{
 if (!god_mode_enabled)
#endif
return -EPERM;
#ifdef CONFIG_GOD_MODE
}
#endif

	error = venus_link(dir_inode->i_sb, coda_i2f(inode),
			   coda_i2f(dir_inode), (const char *)name, len);
	if (error) {
		d_drop(de);
		return error;
	}

	coda_dir_update_mtime(dir_inode);
	ihold(inode);
	d_instantiate(de, inode);
	inc_nlink(inode);
	return 0;
}

开发者ID:nos1609，项目名称:Chrono_Kernel-1，代码行数:33，代码来源:dir.c

示例10: printk

/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struct nameidata *nd)
{
	struct inode *res_inode = NULL;
	struct CodaFid resfid = { { 0, } };
	int dropme = 0; /* to indicate entry should not be cached */
	int type = 0;
	int error = 0;
	const char *name = entry->d_name.name;
	size_t length = entry->d_name.len;
	
	if ( length > CODA_MAXNAMLEN ) {
	        printk("name too long: lookup, %s (%*s)\n", 
		       coda_i2s(dir), (int)length, name);
		return ERR_PTR(-ENAMETOOLONG);
	}

	lock_kernel();
        /* control object, create inode on the fly */
        if (coda_isroot(dir) && coda_iscontrol(name, length)) {
	        error = coda_cnode_makectl(&res_inode, dir->i_sb);
		dropme = 1;
                goto exit;
        }

	error = venus_lookup(dir->i_sb, coda_i2f(dir), 
			     (const char *)name, length, &type, &resfid);

	res_inode = NULL;
	if (!error) {
		if (type & CODA_NOCACHE) {
			type &= (~CODA_NOCACHE);
			dropme = 1;
		}

	    	error = coda_cnode_make(&res_inode, &resfid, dir->i_sb);
		if (error) {
			unlock_kernel();
			return ERR_PTR(error);
		}
	} else if (error != -ENOENT) {
		unlock_kernel();
		return ERR_PTR(error);
	}

exit:
	entry->d_time = 0;
	entry->d_op = &coda_dentry_operations;
	d_add(entry, res_inode);
	if ( dropme ) {
		d_drop(entry);
		coda_flag_inode(res_inode, C_VATTR);
	}
	unlock_kernel();
        return NULL;
}

开发者ID:Mr-Aloof，项目名称:wl500g，代码行数:56，代码来源:dir.c

示例11: coda_mkdir

static int coda_mkdir(struct inode *dir, struct dentry *de, int mode)
{
	struct inode *inode;
	struct coda_vattr attrs;
	const char *name = de->d_name.name;
	int len = de->d_name.len;
	int error;
	struct ViceFid newfid;

	coda_vfs_stat.mkdir++;

	if (coda_isroot(dir) && coda_iscontrol(name, len))
		return -EPERM;

	CDEBUG(D_INODE, "mkdir %s (len %d) in %s, mode %o.\n", 
	       name, len, coda_i2s(dir), mode);

	attrs.va_mode = mode;
	error = venus_mkdir(dir->i_sb, coda_i2f(dir), 
			       name, len, &newfid, &attrs);
        
        if ( error ) {
	        CDEBUG(D_INODE, "mkdir error: %s result %d\n", 
		       coda_f2s(&newfid), error); 
		d_drop(de);
                return error;
        }
         
	CDEBUG(D_INODE, "mkdir: new dir has fid %s.\n", 
	       coda_f2s(&newfid)); 

	inode = coda_iget(dir->i_sb, &newfid, &attrs);
	if ( IS_ERR(inode) ) {
		d_drop(de);
		return PTR_ERR(inode);
	}
	
	/* invalidate the directory cnode's attributes */
	coda_dir_changed(dir, 1);
	d_instantiate(de, inode);
        return 0;
}

开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:42，代码来源:dir.c

示例12: printk

/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry, struct nameidata *nd)
{
	struct inode *inode = NULL;
	struct CodaFid resfid = { { 0, } };
	int type = 0;
	int error = 0;
	const char *name = entry->d_name.name;
	size_t length = entry->d_name.len;

	if (length > CODA_MAXNAMLEN) {
		printk(KERN_ERR "name too long: lookup, %s (%*s)\n",
		       coda_i2s(dir), (int)length, name);
		return ERR_PTR(-ENAMETOOLONG);
	}

	/* control object, create inode on the fly */
	if (coda_isroot(dir) && coda_iscontrol(name, length)) {
		error = coda_cnode_makectl(&inode, dir->i_sb);
		type = CODA_NOCACHE;
		goto exit;
	}

	lock_kernel();

	error = venus_lookup(dir->i_sb, coda_i2f(dir), name, length,
			     &type, &resfid);
	if (!error)
		error = coda_cnode_make(&inode, &resfid, dir->i_sb);

	unlock_kernel();

	if (error && error != -ENOENT)
		return ERR_PTR(error);

exit:
	entry->d_op = &coda_dentry_operations;

	if (inode && (type & CODA_NOCACHE))
		coda_flag_inode(inode, C_VATTR | C_PURGE);

	return d_splice_alias(inode, entry);
}

开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:43，代码来源:dir.c

示例13: coda_mknod

static int coda_mknod(struct inode *dir, struct dentry *de, int mode, int rdev)
{
        int error=0;
	const char *name=de->d_name.name;
	int length=de->d_name.len;
	struct inode *inode;
	struct ViceFid newfid;
	struct coda_vattr attrs;

	if ( coda_hasmknod == 0 )
		return -EIO;

	coda_vfs_stat.create++;

	CDEBUG(D_INODE, "name: %s, length %d, mode %o, rdev %x\n",
	       name, length, mode, rdev);

	if (coda_isroot(dir) && coda_iscontrol(name, length))
		return -EPERM;

	error = venus_create(dir->i_sb, coda_i2f(dir), name, length, 
				0, mode, rdev, &newfid, &attrs);

        if ( error ) {
		CDEBUG(D_INODE, "mknod: %s, result %d\n",
		       coda_f2s(&newfid), error); 
		d_drop(de);
		return error;
	}

	inode = coda_iget(dir->i_sb, &newfid, &attrs);
	if ( IS_ERR(inode) ) {
		d_drop(de);
		return PTR_ERR(inode);
	}

	/* invalidate the directory cnode's attributes */
	coda_dir_changed(dir, 0);
	d_instantiate(de, inode);
        return 0;
}

开发者ID:jameshilliard，项目名称:actiontec_opensrc_mi424wr-rev-e-f_fw-20-10-7-5，代码行数:41，代码来源:dir.c

示例14: coda_mkdir

static int coda_mkdir(struct inode *dir, struct dentry *de, int mode)
{
	struct inode *inode;
	struct coda_vattr attrs;
	const char *name = de->d_name.name;
	int len = de->d_name.len;
	int error;
	struct CodaFid newfid;

	lock_kernel();
	coda_vfs_stat.mkdir++;

	if (coda_isroot(dir) && coda_iscontrol(name, len)) {
		unlock_kernel();
		return -EPERM;
	}

	attrs.va_mode = mode;
	error = venus_mkdir(dir->i_sb, coda_i2f(dir), 
			       name, len, &newfid, &attrs);
        
        if ( error ) {
		unlock_kernel();
		d_drop(de);
		return error;
        }
         
	inode = coda_iget(dir->i_sb, &newfid, &attrs);
	if ( IS_ERR(inode) ) {
		unlock_kernel();
		d_drop(de);
		return PTR_ERR(inode);
	}
	
	/* invalidate the directory cnode's attributes */
	coda_dir_changed(dir, 1);
	unlock_kernel();
	d_instantiate(de, inode);
        return 0;
}

开发者ID:Mr-Aloof，项目名称:wl500g，代码行数:40，代码来源:dir.c

示例15: coda_create

/* creation routines: create, mknod, mkdir, link, symlink */
static int coda_create(struct inode *dir, struct dentry *de, int mode, struct nameidata *nd)
{
        int error=0;
	const char *name=de->d_name.name;
	int length=de->d_name.len;
	struct inode *inode;
	struct CodaFid newfid;
	struct coda_vattr attrs;

	lock_kernel();
	coda_vfs_stat.create++;

	if (coda_isroot(dir) && coda_iscontrol(name, length)) {
		unlock_kernel();
		return -EPERM;
	}

	error = venus_create(dir->i_sb, coda_i2f(dir), name, length, 
				0, mode, &newfid, &attrs);

        if ( error ) {
		unlock_kernel();
		d_drop(de);
		return error;
	}

	inode = coda_iget(dir->i_sb, &newfid, &attrs);
	if ( IS_ERR(inode) ) {
		unlock_kernel();
		d_drop(de);
		return PTR_ERR(inode);
	}

	/* invalidate the directory cnode's attributes */
	coda_dir_changed(dir, 0);
	unlock_kernel();
	d_instantiate(de, inode);
        return 0;
}

开发者ID:Mr-Aloof，项目名称:wl500g，代码行数:40，代码来源:dir.c

示例16: coda_link

/* try to make de an entry in dir_inodde linked to source_de */
static int coda_link(struct dentry *source_de, struct inode *dir_inode,
                     struct dentry *de)
{
    struct inode *inode = source_de->d_inode;
    const char * name = de->d_name.name;
    int len = de->d_name.len;
    int error;

    if (is_root_inode(dir_inode) && coda_iscontrol(name, len))
        return -EPERM;

    error = venus_link(dir_inode->i_sb, coda_i2f(inode),
                       coda_i2f(dir_inode), (const char *)name, len);
    if (error) {
        d_drop(de);
        return error;
    }

    coda_dir_update_mtime(dir_inode);
    ihold(inode);
    d_instantiate(de, inode);
    inc_nlink(inode);
    return 0;
}

开发者ID:Nukil，项目名称:linux-2.6，代码行数:25，代码来源:dir.c

示例17: printk

/* access routines: lookup, readlink, permission */
static struct dentry *coda_lookup(struct inode *dir, struct dentry *entry)
{
	struct inode *res_inode = NULL;
	struct ViceFid resfid = {0,0,0};
	int dropme = 0; /* to indicate entry should not be cached */
	int type = 0;
	int error = 0;
	const char *name = entry->d_name.name;
	size_t length = entry->d_name.len;
	
	if ( length > CODA_MAXNAMLEN ) {
	        printk("name too long: lookup, %s (%*s)\n", 
		       coda_i2s(dir), (int)length, name);
		return ERR_PTR(-ENAMETOOLONG);
	}

        CDEBUG(D_INODE, "name %s, len %ld in ino %ld, fid %s\n", 
	       name, (long)length, dir->i_ino, coda_i2s(dir));

        /* control object, create inode on the fly */
        if (coda_isroot(dir) && coda_iscontrol(name, length)) {
	        error = coda_cnode_makectl(&res_inode, dir->i_sb);
		CDEBUG(D_SPECIAL, 
		       "Lookup on CTL object; dir ino %ld, count %d\n", 
		       dir->i_ino, atomic_read(&dir->i_count));
		dropme = 1;
                goto exit;
        }

	error = venus_lookup(dir->i_sb, coda_i2f(dir), 
			     (const char *)name, length, &type, &resfid);

	res_inode = NULL;
	if (!error) {
		if (type & CODA_NOCACHE) {
			type &= (~CODA_NOCACHE);
			CDEBUG(D_INODE, "dropme set for %s\n", 
			       coda_f2s(&resfid));
			dropme = 1;
		}

	    	error = coda_cnode_make(&res_inode, &resfid, dir->i_sb);
		if (error) return ERR_PTR(error);
	} else if (error != -ENOENT) {
	        CDEBUG(D_INODE, "error for %s(%*s)%d\n",
		       coda_i2s(dir), (int)length, name, error);
		return ERR_PTR(error);
	}
	CDEBUG(D_INODE, "lookup: %s is (%s), type %d result %d, dropme %d\n",
	       name, coda_f2s(&resfid), type, error, dropme);

exit:
	entry->d_time = 0;
	entry->d_op = &coda_dentry_operations;
	d_add(entry, res_inode);
	if ( dropme ) {
		d_drop(entry);
		coda_flag_inode(res_inode, C_VATTR);
	}
        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:62，代码来源:dir.c

注：本文中的coda_iscontrol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。