The following patches have been posted as providing at least some
partial improvement to the ext3 latency problem that has been
discussed on the 2.6.29 mongo-LKML-thread-that-would-not-die.
I plan to push this to Linus during the 2.6.29 merge window if there
are no huge objections. It is by no means a complete solution, but it
should at least help the situation somewhat.
It is also available via git:
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git ext3-latency-fixes
Comments?
- Ted
Jan Kara (1):
ext3: Avoid starting a transaction in writepage when not necessary
Theodore Ts'o (2):
block_write_full_page: Use synchronous writes for WBC_SYNC_ALL writebacks
ext3: Use WRITE_SYNC for commits which are caused by fsync()
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