• Linus Torvalds's avatar
    Merge branch 'for-3.7/core' of git://git.kernel.dk/linux-block · ce40be7a
    Linus Torvalds authored
    Pull block IO update from Jens Axboe:
     "Core block IO bits for 3.7.  Not a huge round this time, it contains:
    
       - First series from Kent cleaning up and generalizing bio allocation
         and freeing.
    
       - WRITE_SAME support from Martin.
    
       - Mikulas patches to prevent O_DIRECT crashes when someone changes
         the block size of a device.
    
       - Make bio_split() work on data-less bio's (like trim/discards).
    
       - A few other minor fixups."
    
    Fixed up silent semantic mis-merge as per Mikulas Patocka and Andrew
    Morton.  It is due to the VM no longer using a prio-tree (see commit
    6b2dbba8: "mm: replace vma prio_tree with an interval tree").
    
    So make set_blocksize() use mapping_mapped() instead of open-coding the
    internal VM knowledge that has changed.
    
    * 'for-3.7/core' of git://git.kernel.dk/linux-block: (26 commits)
      block: makes bio_split support bio without data
      scatterlist: refactor the sg_nents
      scatterlist: add sg_nents
      fs: fix include/percpu-rwsem.h export error
      percpu-rw-semaphore: fix documentation typos
      fs/block_dev.c:1644:5: sparse: symbol 'blkdev_mmap' was not declared
      blockdev: turn a rw semaphore into a percpu rw semaphore
      Fix a crash when block device is read and block size is changed at the same time
      block: fix request_queue->flags initialization
      block: lift the initial queue bypass mode on blk_register_queue() instead of blk_init_allocated_queue()
      block: ioctl to zero block ranges
      block: Make blkdev_issue_zeroout use WRITE SAME
      block: Implement support for WRITE SAME
      block: Consolidate command flag and queue limit checks for merges
      block: Clean up special command handling logic
      block/blk-tag.c: Remove useless kfree
      block: remove the duplicated setting for congestion_threshold
      block: reject invalid queue attribute values
      block: Add bio_clone_bioset(), bio_clone_kmalloc()
      block: Consolidate bio_alloc_bioset(), bio_kmalloc()
      ...
    ce40be7a
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