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Questions tagged [vfs]

Virtual File System provides a single API for accessing various different file systems. It presents a uniform view of the files from various different sources, such as the files on local disk, on an HTTP server, or inside a Zip archive.

321 questions
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Git protocol in Apache Commons VFS

Do you know about any implementation of git:// protocol for Apache Commons VFS in Java? Of course Git isn't among officially supported file systems, see http://commons.apache.org/proper/commons-vfs/filesystems.html — but I can't believe there is no…
dond
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READ/WRITE and RELEASE handling in Linux device driver against multithreaded application

While writing a driver, I came across a issue mentioned below. Given a multithreaded application accessing the same device file through same FD. Consider that between the calls to OPEN and RELEASE, there are some resources (say mutex) held mutually…
user31986
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Exposing SQL Server database objects as files in a file system

There's more than one file system Most version control tools operate on the local disk file system. Database objects for most relational database systems do exist in a file system, inasmuch as there is a textual name identifying the object and the…
Peter Wone
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How do I return a response in an wso2 esb proxy with vfs JMS Sender?

I have a proxy service in WSO2 ESB 4.5.0 that is supposed to handle a SOAP-request from a webclient, send information to a JMS-topic and then respond to the the webclient. The problem is that when I use the JMS-sender it by default waits for a…
Tommy Ekh
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Apache Commonfs VFS avoid growing temp dir

I have an issue with VFS. I developed a web application to paste a URL of a deploy package(zip file) into a textarea. You can view deploy scripts and at the end deploy the application. It runs on a tomcat on a small machine. The deploy packages are…
lrxw
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lookup a directory in kernel module

I am writing a stackable file system which would rename unlinked files to a particular folder say abc by default. So as any file /xyz is unlinked its renamed to /abc/xyz. I want to do this by overriding the unlink function of stackable file system.…
gaurav
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How do I fix issue with Git and pdfmake-chinese font?

I am currently using the 方正黑体简体.TTF font included in pdfmake-chinese library. I already tested it when printing PDFs and the Chinese fonts are displayed correctly. Right now, I want to push my Javascript file that contains the vfs_fonts.js but I'm…
iamrooovic
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How does `do_new_mount_fc()` mount real file systems like ext4?

In relatively old Linux kernel source codes, the do_new_mount() will call vfs_kern_mount(), which will finally do mount_fs(). And this function will call the real file system's function like below struct dentry * mount_fs(struct file_system_type…
tyChen
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How to create a virtual file system in Java/Kotlin with root in specific real directory?

I need a virtual file system that a directory of host file system as its own root. Whatever path the VFS is asked to resolve, it should never go beyond the specified directory host's directory. For example: FileSystem fs = new…
lowercase93
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Buffering on top of VFS

the problem I try to deal with it is the saving of big number (millions) of small files (up to 50KB), which are sent via network. The saving is done sequential: server receives a file or a dir (via network), it saves it on disk; the next one…
Florin M
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Linux buffer cache for DVD/FUSE?

I want to know whether the buffer cache in Linux kernel is present for file systems like UDF for DVD and FUSE? I tried to search for this but unfortunately found little information. Thanks.
Ryan Li
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Is Linux file system layer(not the VFS) aware of page cache

In Linux file system i understand Page cache is between VFS and the file system. Want to know, at any point of time whether the file system will be aware of the pages (of a file) that are in the page cache or only VFS layer only will have this…
natrayan
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WSO2 VFS parallel processing

I'm using WSO2 ESB to process files: an inbound-endpoint with polling, detect a file and pass it to a sequence. That sequence read the file and process records (writing to database). My question is about processing multiple files at once. For now I…
Julien GRESSE
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How to get the date of a file in Apache vfs

I'm trying to get the date of a file which is in a Apache vfs. There is a getAttribute-Method in org.apache.commons.vfs2.FileSystem, but I can't find any examples on how to use it. I'm pretty sure that it is possible by using this method. The…
LaaKii
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startOnLoad is not working as expeceted

I have created VFS based proxy service as below but property startOnLoad="false" is not working as expected. Even after the deployment of the proxy, we need to manually click Activate and then click disable to permanently disable VFX proxy. But the…
storia321
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