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Date: Thu, 25 Apr 2019 16:49:56 +0530 From: Kanchan Joshi <joshi.k@...sung.com> To: linux-kernel@...r.kernel.org, linux-block@...r.kernel.org, linux-nvme@...ts.infradead.org, linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org Cc: prakash.v@...sung.com, anshul@...sung.com, Kanchan Joshi <joshi.k@...sung.com> Subject: [PATCH v5 1/7] fs: introduce write-hint start point for in-kernel hints Introduce "WRITE_LIFE_KERN_MIN". Kernel mode components can define own write-hints using this as base. Signed-off-by: Kanchan Joshi <joshi.k@...sung.com> --- include/linux/fs.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index dd28e76..ee27eb4 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -299,6 +299,8 @@ enum rw_hint { WRITE_LIFE_MEDIUM = RWH_WRITE_LIFE_MEDIUM, WRITE_LIFE_LONG = RWH_WRITE_LIFE_LONG, WRITE_LIFE_EXTREME = RWH_WRITE_LIFE_EXTREME, +/* Kernel should use write-hint starting from this */ + WRITE_LIFE_KERN_MIN, }; #define IOCB_EVENTFD (1 << 0) -- 2.7.4
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