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Date: Sat, 12 Dec 2009 03:54:04 +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>
Subject: [GIT PULL] nilfs2 updates for 2.6.33
Hi Linus,
please pull the for-linus branch from
git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2.git for-linus
to receive the following updates of nilfs for v2.6.33.
Several optimization tweaks, a mount option discussed by users, and
some cleanup work are included:
- Reduce recovery time after unclean unmount by read-ahead. (60-65
percent reduction is measured).
- Shorten the time taken for large file removal by reducing
redundant inode updates (about 18 percent cutdown measured if
metadata is cached on memory). Jiro SEKIBA made a relevant
contribution for directory operations (thanks, Jiro).
- Improved log creation which partially applied double buffering
to hide io latency.
- Add "norecovery" mount option which skips roll-forward recovery
and fully avoids disk write for read-only mounts.
- Reduce latency in block allocation due to DAT metadata updates,
remove unnecessary locking, and other smaller improvements.
Thanks!
Ryusuke Konishi
--
The following changes since commit 648f4e3e50c4793d9dbf9a09afa193631f76fa26:
Linus Torvalds (1):
Linux 2.6.32-rc8
Jiro SEKIBA (12):
nilfs2: move definition of struct nilfs_btree_node
nilfs2: Using nobarrier option instead of barrier=off
nilfs2: cleanup unused match_bool function
nilfs2: delete mark_inode_dirty in nilfs_new_inode
nilfs2: delete mark_inode_dirty from nilfs_set_link
nilfs2: expand inode_inc_link_count and inode_dec_link_count
nilfs2: delete redundant mark_inode_dirty
nilfs2: split nilfs_unlink as nilfs_do_unlink and nilfs_unlink
nilfs2: change return type of nilfs_commit_chunk
nilfs2: delete mark_inode_dirty in nilfs_commit_chunk
nilfs2: delete mark_inode_dirty in nilfs_delete_entry
nilfs2: replace mark_inode_dirty as nilfs_mark_inode_dirty
Ryusuke Konishi (37):
nilfs2: get rid of BUG_ON use in btree lookup routines
nilfs2: remove buffer locking in nilfs_mark_inode_dirty
nilfs2: remove buffer locking from btree code
nilfs2: stop marking metadata inode dirty within btree operations
nilfs2: move out mark_inode_dirty calls from bmap routines
nilfs2: add size option of private object to metadata file allocator
nilfs2: separate constructor of metadata files
nilfs2: separate read method of meta data files on super root block
nilfs2: eliminate inlines to directly read/write inode of metadata files
nilfs2: hide nilfs_mdt_clear calls in nilfs_mdt_destroy
nilfs2: unfold nilfs_sufile_block_get_header function
nilfs2: add local variable to cache the number of clean segments
nilfs2: simplify nilfs_sufile_get_ncleansegs function
nilfs2: avoid readahead on metadata file for create mode
nilfs2: separate function for creating new btree node block
nilfs2: use nilfs_btnode_create_block function
nilfs2: remove newblk argument from nilfs_btnode_submit_block
nilfs2: eliminate nilfs_btnode_get function
nilfs2: unfold nilfs_palloc_block_get_bitmap function
nilfs2: add cache framework for persistent object allocator
nilfs2: add palloc cache to dat
nilfs2: flush palloc cache before manipulating data pages of GC dat
nilfs2: add palloc cache to ifile
nilfs2: insert cache operation in palloc get block routines
nilfs2: move routine marking segment usage dirty into sufile
nilfs2: move routine to set segment usage into sufile
nilfs2: clean up get/put function of a segment usage
nilfs2: apply readahead for recovery on mount
nilfs2: move recovery completion into load_nilfs function
nilfs2: add helper to get if volume is in a valid state
nilfs2: add norecovery mount option
nilfs2: use list_splice_tail or list_splice_tail_init
nilfs2: do not return io error for bio allocation failure
nilfs2: relocate io status variables to segment buffer
nilfs2: hide nilfs_write_info struct in segment buffer code
nilfs2: add iterator for segment buffers
nilfs2: separate wait function from nilfs_segctor_write
Documentation/filesystems/nilfs2.txt | 7 +-
fs/nilfs2/alloc.c | 108 ++++++++--
fs/nilfs2/alloc.h | 21 ++
fs/nilfs2/bmap.c | 8 -
fs/nilfs2/btnode.c | 76 +++----
fs/nilfs2/btnode.h | 6 +-
fs/nilfs2/btree.c | 106 ++++-------
fs/nilfs2/btree.h | 22 --
fs/nilfs2/cpfile.c | 26 +++
fs/nilfs2/cpfile.h | 3 +
fs/nilfs2/dat.c | 47 +++++
fs/nilfs2/dat.h | 3 +
fs/nilfs2/dir.c | 24 +--
fs/nilfs2/gcdat.c | 3 +
fs/nilfs2/gcinode.c | 6 +-
fs/nilfs2/ifile.c | 35 ++++
fs/nilfs2/ifile.h | 2 +
fs/nilfs2/inode.c | 7 +-
fs/nilfs2/mdt.c | 56 ++++--
fs/nilfs2/mdt.h | 25 +--
fs/nilfs2/namei.c | 83 +++++---
fs/nilfs2/recovery.c | 34 ++--
fs/nilfs2/segbuf.c | 185 ++++++++++++-----
fs/nilfs2/segbuf.h | 54 ++----
fs/nilfs2/segment.c | 369 ++++++++++++++++------------------
fs/nilfs2/segment.h | 2 +
fs/nilfs2/sufile.c | 203 ++++++++++---------
fs/nilfs2/sufile.h | 14 +-
fs/nilfs2/super.c | 88 +++------
fs/nilfs2/the_nilfs.c | 157 ++++++++-------
fs/nilfs2/the_nilfs.h | 10 +
include/linux/nilfs2_fs.h | 24 +++
32 files changed, 1026 insertions(+), 788 deletions(-)
--
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