Sorry, I mistyped the ending patch name in stg mail, so please ignore this series. The 12-patch series is the correct one. --D On Thu, Jun 15, 2017 at 01:34:49PM -0700, Darrick J. Wong wrote: > Hi all, > > This patchset implements the userspace components of the new GETFSMAP > ioctl that is now in upstream for 4.12. This release contains various > cleanups that came up in the discussion of the v8 patchset; it should > apply directly to for-next. > > The first two patches refactor string-to-number conversion routines. > > The third patch chooses a faster crc32c algorithm, which provides > a small (~5%) decrease in xfs_repair runtime for metadata-heavy fses. > > The fourth patch adds some autoconf magic so that client programs can > detect a platform supporting FSMAP (currently Linux) and stuff in our > own header if the system headers do not provide it. > > The fifth patch introduce a 'fsmap' command to xfs_io so that users can > query the raw reverse mapping data that is exported by fsmap. If the > experimental rmapbt feature is enabled, the returned results will be > straight out of the rmapbt; otherwise, the extent information is > synthesized out of the free space btres. > > The sixth patch delegates xfs_repair's rmap comparison function to the > new libxfs version that was introduced as a part of the getfsmap kernel > patches. > > The remainder of the patch set introduces xfs_spaceman, which is a new > tool to manage disk space on a mounted XFS filesystem. The new tool can > call FITRIM, manage space reservations, and display summary information > about the free space on the filesystem. This information is probably > most useful for developers and people surveying free space > fragmentation. > > Note: The primary user of the GETFSMAP information will be the media > scan phase of the upcoming xfs_scrub tool, which will be posted later. > > Questions? Comments? > > --D > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
