[PATCH 0/7] nilfs2 updates

[Ryusuke Konishi]

Hi Andrew,

Please queue the following changes for the next merge window:

Julia Lawall (1):
      nilfs2: drop null test before destroy functions

Ryusuke Konishi (6):
      nilfs2: use nilfs_warning() in allocator implementation
      nilfs2: do not call nilfs_mdt_bgl_lock() needlessly
      nilfs2: refactor nilfs_palloc_find_available_slot()
      nilfs2: get rid of nilfs_palloc_group_is_in()
      nilfs2: add helper functions to delete blocks from dat file
      nilfs2: free unused dat file blocks during garbage collection

* Brief summary

> nilfs2: drop null test before destroy functions

This removes null tests before calling kmem_cache_destroy() function.

> nilfs2: use nilfs_warning() in allocator implementation
> nilfs2: do not call nilfs_mdt_bgl_lock() needlessly
> nilfs2: refactor nilfs_palloc_find_available_slot()
> nilfs2: get rid of nilfs_palloc_group_is_in()

These are for refactoring bitmap based object allocator/deallocator
(alloc.c).

> nilfs2: add helper functions to delete blocks from dat file
> nilfs2: free unused dat file blocks during garbage collection

These resolve decline of the available disk space due to bloat of DAT
metadata file.


Thanks,
Ryusuke Konishi
--

 fs/nilfs2/alloc.c | 305 +++++++++++++++++++++++++++++++++++-------------------
 fs/nilfs2/alloc.h |   1 +
 fs/nilfs2/super.c |  12 +--
 3 files changed, 203 insertions(+), 115 deletions(-)


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