{"push_id":672680352,"size":1,"distinct_size":1,"ref":"refs/heads/lollipop","head":"3938ef91d452a0bd3506966416068e1866135d88","before":"ea6d228d1f6bcfc625d59cf5fd634636aabc1d1a","commits":[{"sha":"3938ef91d452a0bd3506966416068e1866135d88","author":{"email":"20424effba9d4aeeb410130c5f23aa328fa29e09@samsung.com","name":"Jaegeuk Kim"},"message":"f2fs: use sbi->write_mutex for write bios\n\nThis patch removes an unnecessary semaphore (i.e., sbi->bio_sem).\nThere is no reason to use the semaphore when f2fs submits read and write IOs.\nInstead, let's use a write mutex and cover the sbi->bio[] by the lock.\n\nChange log from v1:\n o split write_mutex suggested by Chao Yu\n\nChao described,\n\"All DATA/NODE/META bio buffers in superblock is protected by\n'sbi->write_mutex', but each bio buffer area is independent, So we\nshould split write_mutex to three for DATA/NODE/META.\"\n\nSigned-off-by: Chao Yu <chao2.yu@samsung.com>\nSigned-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>\n\nChange-Id: Ie4ef212a5872ef74920e433152cbf68718db4008","distinct":true,"url":"https://api.github.com/repos/DirtyUnicorns/android_kernel_htc_flounder/commits/3938ef91d452a0bd3506966416068e1866135d88"}]}