linux-kernel - [PATCH 0/7] nilfs2 updates

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Message-Id: <1442658782-3147-1-git-send-email-konishi.ryusuke@lab.ntt.co.jp>
Date:	Sat, 19 Sep 2015 19:32:55 +0900
From:	Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-nilfs <linux-nilfs@...r.kernel.org>
Subject: [PATCH 0/7] nilfs2 updates 

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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