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Date: Sat, 23 Oct 2010 15:42:07 +0900 (JST)
From: Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-kernel@...r.kernel.org,
Ryusuke Konishi <konishi.ryusuke@....ntt.co.jp>,
linux-nilfs@...r.kernel.org
Subject: [GIT PULL] nilfs2 updates for 2.6.37-rc1
Hi Linus,
please pull from
git+ssh://master.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus
to receive nilfs2 updates for 2.6.37.
Most part of these patches are for sanitizing inode usage and reducing
code duplication between nilfs and vfs; these remove nilfs' own inode
hash table and own inode allocator, which were used in garbage
collection cache and metadata management respectively.
Collaterally there is an internal change in terms of the way to hold
snapshots on memory. Previously, nilfs allocated an sb instance per
snapshot, and multiple sb instances could be allocated for one device.
Now all snapshots on the same device are handled with one sb, and the
relation between bdev and sb is put right.
The full patches and note are found in series "nilfs2: remove own
inode hash used for GC" and "nilfs2: remove own inode allocator" on
linux-fsdevel.
Other changes include:
* support filesystem freeze/unfreeze interface
* fix potential overflow in checkpoint number argument of "cp=<n>"
mount option which is used when mounting snapshots.
* disable compatibility check by revision level for future revisions.
(feature sets, which were integrated to the last kernel, will take
over the role).
* sparse warning fixes, and so forth.
Thanks!
Ryusuke Konishi
--
The following changes since commit f5d9d249b9a6884daff513ef08afa43d3f7e085f:
Linus Torvalds (1):
Merge branch 'urgent' of git://git.kernel.org/.../brodo/pcmcia-2.6
are available in the git repository at:
git+ssh://master.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus
Jiro SEKIBA (2):
nilfs2: eliminate sparse warnings - "symbol not declared"
nilfs2: eliminate sparse warning - "context imbalance"
Ryusuke Konishi (34):
nilfs2: accept future revisions
nilfs2: allow nilfs_destroy_inode to destroy metadata file inodes
nilfs2: allow nilfs_dirty_inode to mark metadata file inodes dirty
nilfs2: keep zero value in i_cno except for gc-inodes
nilfs2: use iget5_locked to get inode
nilfs2: separate initializer of metadata file inode
nilfs2: remove own inode hash used for GC
nilfs2: add checkpoint tree to nilfs object
nilfs2: set pointer to root object in inodes
nilfs2: make snapshots in checkpoint tree exportable
nilfs2: use root object to get ifile
nilfs2: move inode count and block count into root object
nilfs2: use checkpoint tree for mount check of snapshots
nilfs2: deny write access to inodes in snapshots
nilfs2: split out nilfs_get_root_dentry
nilfs2: split out nilfs_attach_snapshot
nilfs2: do not allocate multiple super block instances for a device
nilfs2: simplify life cycle management of nilfs object
nilfs2: get rid of snapshot mount flag
nilfs2: allow nilfs_clear_inode to clear metadata file inodes
nilfs2: do not allocate nilfs_mdt_info structure to gc-inodes
nilfs2: add routines to save and restore bmap state
nilfs2: add routines to roll back state of DAT file
nilfs2: add routines to redirect access to buffers of DAT file
nilfs2: get rid of GCDAT inode
nilfs2: use iget for all metadata files
nilfs2: see state of root dentry for mount check of snapshots
nilfs2: get rid of mi_nilfs back pointer to nilfs object
nilfs2: get rid of back pointer to writable sb instance
nilfs2: remove own inode allocator and destructor for metadata files
nilfs2: accept 64-bit checkpoint numbers in cp mount option
nilfs2: add bdev freeze/thaw support
nilfs2: change license of exported header file
nilfs2: get rid of bdi from nilfs object
fs/nilfs2/Makefile | 2 +-
fs/nilfs2/bmap.c | 22 +-
fs/nilfs2/bmap.h | 10 +-
fs/nilfs2/btnode.c | 17 +--
fs/nilfs2/cpfile.c | 72 +++---
fs/nilfs2/cpfile.h | 4 +-
fs/nilfs2/dat.c | 92 +++++--
fs/nilfs2/dat.h | 4 +-
fs/nilfs2/export.h | 17 ++
fs/nilfs2/gcdat.c | 87 -------
fs/nilfs2/gcinode.c | 134 ++--------
fs/nilfs2/ifile.c | 51 +++--
fs/nilfs2/ifile.h | 4 +-
fs/nilfs2/inode.c | 167 ++++++++++---
fs/nilfs2/ioctl.c | 23 +-
fs/nilfs2/mdt.c | 313 ++++++++++++-----------
fs/nilfs2/mdt.h | 32 ++-
fs/nilfs2/namei.c | 139 +++++++++--
fs/nilfs2/nilfs.h | 38 ++--
fs/nilfs2/page.c | 55 +++--
fs/nilfs2/page.h | 6 +
fs/nilfs2/recovery.c | 19 +-
fs/nilfs2/sb.h | 10 -
fs/nilfs2/segbuf.c | 3 +-
fs/nilfs2/segment.c | 102 ++++----
fs/nilfs2/segment.h | 10 +-
fs/nilfs2/sufile.c | 77 ++++---
fs/nilfs2/sufile.h | 6 +-
fs/nilfs2/super.c | 609 ++++++++++++++++++++++++---------------------
fs/nilfs2/the_nilfs.c | 339 ++++++++-----------------
fs/nilfs2/the_nilfs.h | 101 +++-----
include/linux/exportfs.h | 13 +
include/linux/nilfs2_fs.h | 18 +-
33 files changed, 1339 insertions(+), 1257 deletions(-)
create mode 100644 fs/nilfs2/export.h
delete mode 100644 fs/nilfs2/gcdat.c
--
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