Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw
* git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw: (56 commits)
[GFS2] Allow journal recovery on read-only mount
[GFS2] Lockup on error
[GFS2] Fix page_mkwrite truncation race path
[GFS2] Fix typo
[GFS2] Fix write alloc required shortcut calculation
[GFS2] gfs2_alloc_required performance
[GFS2] Remove unneeded i_spin
[GFS2] Reduce inode size by moving i_alloc out of line
[GFS2] Fix assert in log code
[GFS2] Fix problems relating to execution of files on GFS2
[GFS2] Initialize extent_list earlier
[GFS2] Allow page migration for writeback and ordered pages
[GFS2] Remove unused variable
[GFS2] Fix log block mapper
[GFS2] Minor correction
[GFS2] Eliminate the no longer needed sd_statfs_mutex
[GFS2] Incremental patch to fix compiler warning
[GFS2] Function meta_read optimization
[GFS2] Only fetch the dinode once in block_map
[GFS2] Reorganize function gfs2_glmutex_lock
...