From a8ab4ef7ef255f907104ff45a7cbbb2299a5aba5 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Mon, 19 Jan 2015 11:06:13 -0600 Subject: [PATCH] fs: f2fs: introduce a generic shutdown ioctl This patch introduces a generic ioctl for fs shutdown. Change-Id: I452ee16b0078a2704b8026962e5bd07b67710c06 --- include/linux/fs.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/include/linux/fs.h b/include/linux/fs.h index 5fc613c..c26de24 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -332,6 +332,7 @@ struct inodes_stat_t { #define FIFREEZE _IOWR('X', 119, int) /* Freeze */ #define FITHAW _IOWR('X', 120, int) /* Thaw */ #define FITRIM _IOWR('X', 121, struct fstrim_range) /* Trim */ +#define FS_IOC_SHUTDOWN _IOR('X', 125, __u32) /* Shutdown */ #define FIDTRIM _IOWR('f', 128, struct fstrim_range) /* Deep discard trim */ @@ -382,6 +383,13 @@ struct inodes_stat_t { #define SYNC_FILE_RANGE_WRITE 2 #define SYNC_FILE_RANGE_WAIT_AFTER 4 +/* + * Flags for going down operation used by FS_IOC_GOINGDOWN + */ +#define FS_GOING_DOWN_FULLSYNC 0x0 /* going down with full sync */ +#define FS_GOING_DOWN_METASYNC 0x1 /* going down with metadata */ +#define FS_GOING_DOWN_NOSYNC 0x2 /* going down */ + #ifdef __KERNEL__ #include