* 'for-linus' of git://neil.brown.name/md: (27 commits)
md: add 'recovery_start' per-device sysfs attribute
md: rcu_read_lock() walk of mddev->disks in md_do_sync()
md: integrate spares into array at earliest opportunity.
md: move compat_ioctl handling into md.c
md: revise Kconfig help for MD_MULTIPATH
md: add MODULE_DESCRIPTION for all md related modules.
raid: improve MD/raid10 handling of correctable read errors.
md/raid10: print more useful messages on device failure.
md/bitmap: update dirty flag when bitmap bits are explicitly set.
md: Support write-intent bitmaps with externally managed metadata.
md/bitmap: move setting of daemon_lastrun out of bitmap_read_sb
md: support updating bitmap parameters via sysfs.
md: factor out parsing of fixed-point numbers
md: support bitmap offset appropriate for external-metadata arrays.
md: remove needless setting of thread->timeout in raid10_quiesce
md: change daemon_sleep to be in 'jiffies' rather than 'seconds'.
md: move offset, daemon_sleep and chunksize out of bitmap structure
md: collect bitmap-specific fields into one structure.
md/raid1: add takeover support for raid5->raid1
md: add honouring of suspend_{lo,hi} to raid1.
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