On 4/26/16 3:51 PM, Benjamin Wirth wrote: > Hello, > > I was looking for development APIs for XFS. The contents of > xfsprogs-devel seem to only contain a few IOCTL commands, mostly > file/inode based operations. > > I need to query free/used blocks of an entire XFS filesystem and was > hoping to find some user-space APIs for this. I have done the same > task for EXT filesystem which seemed fairly easy as it provided > simple open/query/close APIs. I know that XFS is a bit different as > it manages free extents in two B+ trees per AG, but is this free/used > block/extent information externalized somehow for developers to use? > Am I not looking in the right place or these functionalities are > simply not provided to application developers? > > Any help/pointers would be greatly appreciated. It's not exported for application developers, no; it's not generally something applications need, AFAIK. You could look at how the freesp_f function works in xfs_db, I suppose. -Eric _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
