Hi, On Fri, 25 Jun 2010 00:27:38 +0900, Jiro SEKIBA wrote: > Hi, > > This is v4 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 swapping code in nilfs_prepare_super. > Caller of the function must specify whether swapping super blocks or not > explicitly. To advance log pointer, the caller uses nilfs_set_log_cursor > to advance specified super block after calling nilfs_prepare_super. > > changes from v3 > - move swapping code to nilfs_prepare_super from nilfs_sync_super > - check last_cno of super blocks to advance protection period > - introduce nilfs_sb_need_swap function > > changes from v2 > - restore super block in nilfs_prepare_super > - introduce nilfs_set_error > * used in nilfs_error > - introduce nilfs_set_log_cursor instead of write_log_cursor > * instead of writing error, set log cursor to specified sb pointer > * used followed by nilfs_commit_super > - introduce ns_sbwcount > * swap super blocks based on the counter > * swap all most all the time, still asymmetric(9:7 ratio) > - delete ns_sbwtime[2] > * introduce ns_sbwtime instead of array of both super blocks > - synchronize super blocks when mount/remount > - abandon NILFS_SB_SET_FN > * only used in nilfs_set_error, so assign directly in the function > - misc style fix > - misc comment fix > > changes from v1 > - 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 | 12 +++ > fs/nilfs2/segment.c | 10 ++- > fs/nilfs2/super.c | 182 ++++++++++++++++++++++++++++++++++--------------- > fs/nilfs2/the_nilfs.c | 17 +++-- > fs/nilfs2/the_nilfs.h | 17 ++--- > 5 files changed, 166 insertions(+), 72 deletions(-) Thank you for the post. I've just sent a complementary patchset for your previous series. I will review this new one tomorrow. Regards, Ryusuke Konishi -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
