XFS status update for July 2010

July saw three more release candidates for the Linux 2.6.35 kernel, which included a relatively large number of XFS updates. There were two security fixes, a small one to prevent swapext to operate on write-only file descriptors, and a much larger one to properly validate inode numbers coming from NFS clients or userspace applications using the bulkstat or the open-by-handle interfaces. In addition to that another relatively large patch fixes the way inodes get reclaimed in the background, and avoids inode caches growing out of bounds.

In the meantime the code for the Linux 2.6.36 got the last touches before the expected opening of the merge window, by merging a few more last minute fixes and cleanups. The most notable one is a patch series that fixes in-memory corruption when concurrently accessing unwritten extents using the in-kernel AIO code.

The userspace side was still quite slow, but some a bit more activity than June. In xfsprogs the xfs_db code grew two bug fixes, as did the xfs_io script. The xfstests package saw one new test cases and various fixes to existing code. Last but not least a few patches affecting the build system for all userspace tools were committed.

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