tree e4d8c016400ea53cd0a8a45984008b8f2c383190
parent 3402e87cfb5e762f9c95071bf4a2ad65fd9392a2
author Jaegeuk Kim <jaegeuk@kernel.org> 1426308276 -0700
committer Jaegeuk Kim <jaegeuk@kernel.org> 1428703725 -0700

f2fs: enhance multi-threads performance

Previously, f2fs_write_data_pages has a mutex, sbi->writepages, to serialize
data writes to maximize write bandwidth, while sacrificing multi-threads
performance.
Practically, however, multi-threads environment is much more important for
users. So this patch tries to remove the mutex.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>