On Mon, 4 Jul 2011 11:34:43 -0400, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > I'd like to know if there are any people actively using the filestreams > support in XFS (-o filestreams). It's pretty much a fringe feature, and > I've not seen any user reports for it, while it never passes all its > XFSQA tests reliably. It was added specificly for CXFS media streaming > operations on one particular array model that hasn't been sold for a > long time. The feature purely is an in-memory one so unlike for example > the realtime device there are no issue about beeing able to read old > filesystems. The filestreams specific files are around 1500 lines of > code, not even counting the hooks in the core XFS codebase. I used it a bit on MythTV box to help circumvent the stupid behaviour of it fsync()ing every second[1] leading to poor file layout on disk. I found that filestreams worked a bit better than just setting allocsize mount option... but I wouldn't be screaming too much if it went away.... [1] which was to work around ext3 taking locks for so long that you'd then miss part of your TV program -- Stewart Smith _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
