Pull xfs update from Dave Chinner:
"This update contains:
- RENAME_EXCHANGE support
- Rework of the superblock logging infrastructure
- Rework of the XFS_IOCTL_SETXATTR implementation
* enables use inside user namespaces
* fixes inconsistencies setting extent size hints
- fixes for missing buffer type annotations used in log recovery
- more consolidation of libxfs headers
- preparation patches for block based PNFS support
- miscellaneous bug fixes and cleanups"
* tag 'xfs-for-linus-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dgc/linux-xfs: (37 commits)
xfs: only trace buffer items if they exist
xfs: report proper f_files in statfs if we overshoot imaxpct
xfs: fix panic_mask documentation
xfs: xfs_ioctl_setattr_check_projid can be static
xfs: growfs should use synchronous transactions
xfs: fix behaviour of XFS_IOC_FSSETXATTR on directories
xfs: factor projid hint checking out of xfs_ioctl_setattr
xfs: factor extsize hint checking out of xfs_ioctl_setattr
xfs: XFS_IOCTL_SETXATTR can run in user namespaces
xfs: kill xfs_ioctl_setattr behaviour mask
xfs: disaggregate xfs_ioctl_setattr
xfs: factor out xfs_ioctl_setattr transaciton preamble
xfs: separate xflags from xfs_ioctl_setattr
xfs: FSX_NONBLOCK is not used
xfs: don't allocate an ioend for direct I/O completions
xfs: change kmem_free to use generic kvfree()
xfs: factor out a xfs_update_prealloc_flags() helper
xfs: remove incorrect error negation in attr_multi ioctl
xfs: set superblock buffer type correctly
xfs: set buf types when converting extent formats
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