[PATCH 0/2v2] nilfs2: asynchronous super block updates

[Jiro SEKIBA <jir-hfpbi5WX9J54Eiagz67IpQ@public.gmane.org>]

Hi,

This is re-revised patch series to update super block asynchronously.

First patch separates super block validity check from nilfs_commit_super,
and moved the function into callers.

Second patch introduces nilfs_write_log_cursor to advance log cursor
for one of super blocks.  This patch also define a macro that generates
inline function to update information both super blocks for convenience.

diffs aganist previous set are
- change macro name NILFS_SUPER_SET_FN -> NILFS_SB_SET_FN
 * change inline function name as nilfs_sb_set_##name
- introduce enum for nilfs_commit_super and nilfs_sync_super
 * NILFS_SB_COMMIT and NILFS_SB_COMMIT_ALL
 * use flag instead of dupsb in nilfs_commit_super/sync_super

 fs/nilfs2/nilfs.h     |    6 ++
 fs/nilfs2/segment.c   |    8 +--
 fs/nilfs2/super.c     |  155 ++++++++++++++++++++++++++++++++++---------------
 fs/nilfs2/the_nilfs.c |   11 +++-
 fs/nilfs2/the_nilfs.h |   23 +++++---
 5 files changed, 138 insertions(+), 65 deletions(-)
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