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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-22 11:40:48 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-30 15:30:41 -0700 |
| commit | 309cc2b6e7ae6672ff9744fe07735ed234a8994e (patch) | |
| tree | 0119d3d6d0cae0913b29ba6cfd419c089b2fb004 /mm/page_io.c | |
| parent | 4b2fecc84655055a6a1fe9151786992ac04b56ce (diff) | |
| download | linux-309cc2b6e7ae6672ff9744fe07735ed234a8994e.tar.gz linux-309cc2b6e7ae6672ff9744fe07735ed234a8994e.tar.bz2 linux-309cc2b6e7ae6672ff9744fe07735ed234a8994e.zip | |
f2fs: refactor flush_nat_entries to remove costly reorganizing ops
Previously, f2fs tries to reorganize the dirty nat entries into multiple sets
according to its nid ranges. This can improve the flushing nat pages, however,
if there are a lot of cached nat entries, it becomes a bottleneck.
This patch introduces a new set management flow by removing dirty nat list and
adding a series of set operations when the nat entry becomes dirty.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'mm/page_io.c')
0 files changed, 0 insertions, 0 deletions