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hc
2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e 
 kernel/include/uapi/linux/fs.h
....@@ -17,6 +17,11 @@
1717 #include <linux/fscrypt.h>
1818 #endif
1919 
20
+/* Use of MS_* flags within the kernel is restricted to core mount(2) code. */
21
+#if !defined(__KERNEL__)
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+#include <linux/mount.h>
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+#endif
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+
2025 /*
2126  * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
2227  * the file limit at runtime and only root can increase the per-process
....@@ -103,57 +108,6 @@
103108 
104109 
105110 #define NR_FILE  8192	/* this can well be larger on a larger system */
106
-
107
-
108
-/*
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- * These are the fs-independent mount-flags: up to 32 flags are supported
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- */
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-#define MS_RDONLY	 1	/* Mount read-only */
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-#define MS_NOSUID	 2	/* Ignore suid and sgid bits */
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-#define MS_NODEV	 4	/* Disallow access to device special files */
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-#define MS_NOEXEC	 8	/* Disallow program execution */
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-#define MS_SYNCHRONOUS	16	/* Writes are synced at once */
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-#define MS_REMOUNT	32	/* Alter flags of a mounted FS */
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-#define MS_MANDLOCK	64	/* Allow mandatory locks on an FS */
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-#define MS_DIRSYNC	128	/* Directory modifications are synchronous */
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-#define MS_NOATIME	1024	/* Do not update access times. */
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-#define MS_NODIRATIME	2048	/* Do not update directory access times */
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-#define MS_BIND		4096
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-#define MS_MOVE		8192
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-#define MS_REC		16384
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-#define MS_VERBOSE	32768	/* War is peace. Verbosity is silence.
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-				   MS_VERBOSE is deprecated. */
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-#define MS_SILENT	32768
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-#define MS_POSIXACL	(1<<16)	/* VFS does not apply the umask */
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-#define MS_UNBINDABLE	(1<<17)	/* change to unbindable */
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-#define MS_PRIVATE	(1<<18)	/* change to private */
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-#define MS_SLAVE	(1<<19)	/* change to slave */
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-#define MS_SHARED	(1<<20)	/* change to shared */
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-#define MS_RELATIME	(1<<21)	/* Update atime relative to mtime/ctime. */
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-#define MS_KERNMOUNT	(1<<22) /* this is a kern_mount call */
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-#define MS_I_VERSION	(1<<23) /* Update inode I_version field */
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-#define MS_STRICTATIME	(1<<24) /* Always perform atime updates */
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-#define MS_LAZYTIME	(1<<25) /* Update the on-disk [acm]times lazily */
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-
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-/* These sb flags are internal to the kernel */
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-#define MS_SUBMOUNT     (1<<26)
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-#define MS_NOREMOTELOCK	(1<<27)
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-#define MS_NOSEC	(1<<28)
142
-#define MS_BORN		(1<<29)
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-#define MS_ACTIVE	(1<<30)
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-#define MS_NOUSER	(1<<31)
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-
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-/*
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- * Superblock flags that can be altered by MS_REMOUNT
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- */
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-#define MS_RMT_MASK	(MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION|\
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-			 MS_LAZYTIME)
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-
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-/*
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- * Old magic mount flag and mask
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- */
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-#define MS_MGC_VAL 0xC0ED0000
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-#define MS_MGC_MSK 0xffff0000
157111 
158112 /*
159113  * Structure for FS_IOC_FSGETXATTR[A] and FS_IOC_FSSETXATTR.
....@@ -308,6 +262,7 @@
308262 #define FS_EA_INODE_FL			0x00200000 /* Inode used for large EA */
309263 #define FS_EOFBLOCKS_FL			0x00400000 /* Reserved for ext4 */
310264 #define FS_NOCOW_FL			0x00800000 /* Do not cow file */
265
+#define FS_DAX_FL			0x02000000 /* Inode is DAX */
311266 #define FS_INLINE_DATA_FL		0x10000000 /* Reserved for ext4 */
312267 #define FS_PROJINHERIT_FL		0x20000000 /* Create with parents projid */
313268 #define FS_CASEFOLD_FL			0x40000000 /* Folder is case insensitive */
....@@ -320,6 +275,9 @@
320275 #define SYNC_FILE_RANGE_WAIT_BEFORE	1
321276 #define SYNC_FILE_RANGE_WRITE		2
322277 #define SYNC_FILE_RANGE_WAIT_AFTER	4
278
+#define SYNC_FILE_RANGE_WRITE_AND_WAIT	(SYNC_FILE_RANGE_WRITE | \
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+					 SYNC_FILE_RANGE_WAIT_BEFORE | \
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+					 SYNC_FILE_RANGE_WAIT_AFTER)
323281 
324282 /*
325283  * Flags for preadv2/pwritev2: