mirror of https://github.com/OpenIPC/firmware.git
32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
diff -drupN a/include/uapi/linux/fcntl.h b/include/uapi/linux/fcntl.h
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--- a/include/uapi/linux/fcntl.h 2018-08-06 17:23:04.000000000 +0300
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+++ b/include/uapi/linux/fcntl.h 2022-06-12 05:28:14.000000000 +0300
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@@ -43,6 +43,27 @@
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/* (1U << 31) is reserved for signed error codes */
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/*
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+ * Set/Get write life time hints. {GET,SET}_RW_HINT operate on the
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+ * underlying inode, while {GET,SET}_FILE_RW_HINT operate only on
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+ * the specific file.
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+ */
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+#define F_GET_RW_HINT (F_LINUX_SPECIFIC_BASE + 11)
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+#define F_SET_RW_HINT (F_LINUX_SPECIFIC_BASE + 12)
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+#define F_GET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 13)
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+#define F_SET_FILE_RW_HINT (F_LINUX_SPECIFIC_BASE + 14)
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+
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+/*
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+ * Valid hint values for F_{GET,SET}_RW_HINT. 0 is "not set", or can be
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+ * used to clear any hints previously set.
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+ */
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+#define RWF_WRITE_LIFE_NOT_SET 0
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+#define RWH_WRITE_LIFE_NONE 1
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+#define RWH_WRITE_LIFE_SHORT 2
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+#define RWH_WRITE_LIFE_MEDIUM 3
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+#define RWH_WRITE_LIFE_LONG 4
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+#define RWH_WRITE_LIFE_EXTREME 5
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+
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+/*
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* Types of directory notifications that may be requested.
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*/
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#define DN_ACCESS 0x00000001 /* File accessed */
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