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