Re: [PATCH v3 RESEND] f2fs: support F2FS_IOC_PRECACHE_EXTENTS

2018-01-16 Thread Chao Yu
Hi Jaegeuk, On 2018/1/17 7:59, Jaegeuk Kim wrote: > Since I needed to add F2FS_IOC_GET_PIN_FILE, let me modify the ioctl number > to: > > #define F2FS_IOC_PRECACHE_EXTENTS _IO(F2FS_IOCTL_MAGIC, 15) No problem. :) Thanks,

Re: [PATCH v3 RESEND] f2fs: support F2FS_IOC_PRECACHE_EXTENTS

2018-01-16 Thread Jaegeuk Kim
Hi Chao, On 01/11, Chao Yu wrote: > This patch introduces a new ioctl F2FS_IOC_PRECACHE_EXTENTS to precache > extent info like ext4, in order to gain better performance during > triggering AIO by eliminating synchronous waiting of mapping info. > > Referred commit: 7869a4a6c5ca ("ext4: add suppor

[PATCH v3 RESEND] f2fs: support F2FS_IOC_PRECACHE_EXTENTS

2018-01-10 Thread Chao Yu
This patch introduces a new ioctl F2FS_IOC_PRECACHE_EXTENTS to precache extent info like ext4, in order to gain better performance during triggering AIO by eliminating synchronous waiting of mapping info. Referred commit: 7869a4a6c5ca ("ext4: add support for extent pre-caching") In addition, with