Jaegeuk Kim b873b798af Revert "f2fs: use percpu_rw_semaphore" ...

LKP reported -36.3% regression of fsmark.files_per_sec due to this patch.
I've confirmed that fxmark [1] has also slight regression for DWAL.

[1] https://github.com/sslab-gatech/fxmark

This reverts commit ec795418c4.

2016-08-19 11:15:08 +09:00

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