From: Anton Farygin <rider@altlinux.com> To: ALT Linux kernel packages development <devel-kernel@altlinux.ru> Subject: [d-kernel] [Fwd: [Unionfs] Unionfs 1.0.9] Date: Mon, 21 Feb 2005 14:46:38 +0300 Message-ID: <4219CA1E.5010305@altlinux.com> (raw) [-- Attachment #1: Type: text/plain, Size: 83 bytes --] FYI. Я планирую это опакетить в ближайшее время - на смену mini_fo. Rgds, Rider [-- Attachment #2: [Unionfs] Unionfs 1.0.9 --] [-- Type: message/rfc822, Size: 4580 bytes --] From: "Charles P. Wright" <cwright@cs.sunysb.edu> To: unionfs@filesystems.org Cc: Subject: [Unionfs] Unionfs 1.0.9 Date: 18 Feb 2005 17:57:44 -0500 Message-ID: <1108767464.8781.8.camel@polarbear.fsl.cs.sunysb.edu> Unionfs is a stackable unification file system, which can appear to merge the contents of several directories (branches), while keeping their physical content separate. Unionfs is useful for unified source tree management, merged contents of split CD-ROM, merged separate software package directories, data grids, and more. Unionfs allows any mix of read-only and read-write branches, as well as insertion and deletion of branches anywhere in the fan-out. To maintain Unix semantics, Unionfs handles elimination of duplicates, partial-error conditions, and more. This release also includes additional preliminary features that were specifically designed for security applications, such as snapshotting and sandboxing. We've just release version 1.0.9, which fixes a bug with hardlinks. Because of these fixes, we have successfully run apt-get install within a chrooted Unionfs environment. We have removed our hacked version of namei.c and moved the directory reading functions utility functions into dirhelper.c This greatly increased the cleanliness of the code. We also fixed several other bugs that could cause Oopses or other bad behavior, which are detailed below. * Unionfs 1.0.9 - Fixed copyup permissions bugs (Anton Farygin) - NTFS mmap will no longer cause Oops (but it won't do the mmap, as NTFS doesn't support mmap). - Moved directory reading helper routines into dirhelper.c from subr.c - We no longer require hacked copies of vfs_create and vfs_unlink - Moved finding and adding filldir_nodes into rdstate.c - Added a sample RPM spec file, for those who want to package Unionfs (Note, we will not distribute source or binary RPMS) - Fixed unionfs_link to allow linking of files with a source of a readonly file system. - Fixed apt-get on rw/ro branch configuration (related to unionfs_link) - Modified regression/link.sh to reflect the changes in unionfs_link. It now includes tests to make sure linking on a read only filesystem works.i - Fixed an issue where unionfs_dir_llseek would cause an Oops We also learned of one new limitation: fcntl F_GETLK, F_SETLK, and other advisory locking do not work. This is a bug with our stackable templates that we plan to address in the next version of Unionfs. Enjoy, Charles _______________________________________________ unionfs mailing list unionfs@mail.fsl.cs.sunysb.edu http://www.fsl.cs.sunysb.edu/mailman/listinfo/unionfs
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