6 files changed, 44 insertions, 22 deletions

diff --git a/include/uapi/linux/eventpoll.h b/include/uapi/linux/eventpoll.h
index 2c267bcbb85c..8c99ce7202c5 100644
--- a/include/uapi/linux/eventpoll.h
+++ b/include/uapi/linux/eventpoll.h
@@ -25,6 +25,7 @@
 #define EPOLL_CTL_ADD 1
 #define EPOLL_CTL_DEL 2
 #define EPOLL_CTL_MOD 3
+#define EPOLL_CTL_DISABLE 4
 
 /*
  * Request the handling of system wakeup events so as to prevent system suspends
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 780d4c6093eb..c7fc1e6517c3 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -86,6 +86,9 @@ struct inodes_stat_t {
 #define MS_KERNMOUNT	(1<<22) /* this is a kern_mount call */
 #define MS_I_VERSION	(1<<23) /* Update inode I_version field */
 #define MS_STRICTATIME	(1<<24) /* Always perform atime updates */
+
+/* These sb flags are internal to the kernel */
+#define MS_SNAP_STABLE	(1<<27) /* Snapshot pages during writeback, if needed */
 #define MS_NOSEC	(1<<28)
 #define MS_BORN		(1<<29)
 #define MS_ACTIVE	(1<<30)
diff --git a/include/uapi/linux/ipmi.h b/include/uapi/linux/ipmi.h
index 33fbc99b3812..7b26a62e5707 100644
--- a/include/uapi/linux/ipmi.h
+++ b/include/uapi/linux/ipmi.h
@@ -59,15 +59,7 @@
  * if it becomes full and it is queried once a second to see if
  * anything is in it.  Incoming commands to the driver will get
  * delivered as commands.
- *
- * This driver provides two main interfaces: one for in-kernel
- * applications and another for userland applications.  The
- * capabilities are basically the same for both interface, although
- * the interfaces are somewhat different.  The stuff in the
- * #ifdef __KERNEL__ below is the in-kernel interface.  The userland
- * interface is defined later in the file.  */
-
-
+ */
 
 /*
  * This is an overlay for all the address types, so it's easy to
diff --git a/include/uapi/linux/msdos_fs.h b/include/uapi/linux/msdos_fs.h
index 996719f82e28..f055e58b3147 100644
--- a/include/uapi/linux/msdos_fs.h
+++ b/include/uapi/linux/msdos_fs.h
@@ -87,6 +87,8 @@
 #define IS_FSINFO(x)	(le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 \
 			 && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2)
 
+#define FAT_STATE_DIRTY 0x01
+
 struct __fat_dirent {
 	long		d_ino;
 	__kernel_off_t	d_off;
@@ -120,14 +122,34 @@ struct fat_boot_sector {
 	__le32	hidden;		/* hidden sectors (unused) */
 	__le32	total_sect;	/* number of sectors (if sectors == 0) */
 
-	/* The following fields are only used by FAT32 */
-	__le32	fat32_length;	/* sectors/FAT */
-	__le16	flags;		/* bit 8: fat mirroring, low 4: active fat */
-	__u8	version[2];	/* major, minor filesystem version */
-	__le32	root_cluster;	/* first cluster in root directory */
-	__le16	info_sector;	/* filesystem info sector */
-	__le16	backup_boot;	/* backup boot sector */
-	__le16	reserved2[6];	/* Unused */
+	union {
+		struct {
+			/*  Extended BPB Fields for FAT16 */
+			__u8	drive_number;	/* Physical drive number */
+			__u8	state;		/* undocumented, but used
+						   for mount state. */
+			/* other fiealds are not added here */
+		} fat16;
+
+		struct {
+			/* only used by FAT32 */
+			__le32	length;		/* sectors/FAT */
+			__le16	flags;		/* bit 8: fat mirroring,
+						   low 4: active fat */
+			__u8	version[2];	/* major, minor filesystem
+						   version */
+			__le32	root_cluster;	/* first cluster in
+						   root directory */
+			__le16	info_sector;	/* filesystem info sector */
+			__le16	backup_boot;	/* backup boot sector */
+			__le16	reserved2[6];	/* Unused */
+			/* Extended BPB Fields for FAT32 */
+			__u8	drive_number;   /* Physical drive number */
+			__u8    state;       	/* undocumented, but used
+						   for mount state. */
+			/* other fiealds are not added here */
+		} fat32;
+	};
 };
 
 struct fat_boot_fsinfo {
diff --git a/include/uapi/linux/signalfd.h b/include/uapi/linux/signalfd.h
index 492c6def340d..bc3184965b89 100644
--- a/include/uapi/linux/signalfd.h
+++ b/include/uapi/linux/signalfd.h
@@ -15,6 +15,7 @@
 /* Flags for signalfd4.  */
 #define SFD_CLOEXEC O_CLOEXEC
 #define SFD_NONBLOCK O_NONBLOCK
+#define SFD_RAW O_DIRECT
 
 struct signalfd_siginfo {
 	__u32 ssi_signo;
diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h
index 26607bd965fa..e4629b93bdd6 100644
--- a/include/uapi/linux/xattr.h
+++ b/include/uapi/linux/xattr.h
@@ -15,19 +15,22 @@
 
 /* Namespaces */
 #define XATTR_OS2_PREFIX "os2."
-#define XATTR_OS2_PREFIX_LEN (sizeof (XATTR_OS2_PREFIX) - 1)
+#define XATTR_OS2_PREFIX_LEN (sizeof(XATTR_OS2_PREFIX) - 1)
+
+#define XATTR_MAC_OSX_PREFIX "osx."
+#define XATTR_MAC_OSX_PREFIX_LEN (sizeof(XATTR_MAC_OSX_PREFIX) - 1)
 
 #define XATTR_SECURITY_PREFIX	"security."
-#define XATTR_SECURITY_PREFIX_LEN (sizeof (XATTR_SECURITY_PREFIX) - 1)
+#define XATTR_SECURITY_PREFIX_LEN (sizeof(XATTR_SECURITY_PREFIX) - 1)
 
 #define XATTR_SYSTEM_PREFIX "system."
-#define XATTR_SYSTEM_PREFIX_LEN (sizeof (XATTR_SYSTEM_PREFIX) - 1)
+#define XATTR_SYSTEM_PREFIX_LEN (sizeof(XATTR_SYSTEM_PREFIX) - 1)
 
 #define XATTR_TRUSTED_PREFIX "trusted."
-#define XATTR_TRUSTED_PREFIX_LEN (sizeof (XATTR_TRUSTED_PREFIX) - 1)
+#define XATTR_TRUSTED_PREFIX_LEN (sizeof(XATTR_TRUSTED_PREFIX) - 1)
 
 #define XATTR_USER_PREFIX "user."
-#define XATTR_USER_PREFIX_LEN (sizeof (XATTR_USER_PREFIX) - 1)
+#define XATTR_USER_PREFIX_LEN (sizeof(XATTR_USER_PREFIX) - 1)
 
 /* Security namespace */
 #define XATTR_EVM_SUFFIX "evm"