patch 1): Reconstruct code in do_write_data_page, code logic stays unchanged,
patch 2): f2fs: lookup extent cache first under IPU scenario
patch 3): Check IPU before cp to avoid IPU being blocked by cp
patch 3): Unlock dnode before IPU
Change log for v3:
- check IPU without f2fs_lock_op, to avoid IPU(fsync/fdatasync IPU) being
blocked by long time cp
Hou Pengyang (4):
f2fs: reconstruct code to write a data page
f2fs: lookup extent cache first under IPU scenario
f2fs: check IPU before cp to avoid IPU being blocked by cp
f2fs: unlock dnode before IPU
fs/f2fs/data.c | 98 +++++++++++++++++++++++++++++++++++--------------------
fs/f2fs/file.c | 2 +-
fs/f2fs/gc.c | 2 ++
fs/f2fs/segment.c | 2 ++
fs/f2fs/segment.h | 2 +-
5 files changed, 69 insertions(+), 37 deletions(-)
--
2.10.1
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