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-rw-r--r--Documentation/ioctl/ioctl-number.txt3
-rw-r--r--include/uapi/linux/fs.h8
2 files changed, 8 insertions, 3 deletions
diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index 7f7413e597f38..27c1b7b78504d 100644
--- a/Documentation/ioctl/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
@@ -296,7 +296,8 @@ Code Seq#(hex) Include File Comments
0x90 00 drivers/cdrom/sbpcd.h
0x92 00-0F drivers/usb/mon/mon_bin.c
0x93 60-7F linux/auto_fs.h
-0x94 all fs/btrfs/ioctl.h
+0x94 all fs/btrfs/ioctl.h Btrfs filesystem
+ and linux/fs.h some lifted to vfs/generic
0x97 00-7F fs/ceph/ioctl.h Ceph file system
0x99 00-0F 537-Addinboard driver
<mailto:buk@buks.ipn.de>
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index d2a8313fabd72..9d132f8f2df8c 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -242,6 +242,8 @@ struct fsxattr {
#define FICLONERANGE _IOW(0x94, 13, struct file_clone_range)
#define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range)
+#define FSLABEL_MAX 256 /* Max chars for the interface; each fs may differ */
+
#define FS_IOC_GETFLAGS _IOR('f', 1, long)
#define FS_IOC_SETFLAGS _IOW('f', 2, long)
#define FS_IOC_GETVERSION _IOR('v', 1, long)
@@ -251,8 +253,10 @@ struct fsxattr {
#define FS_IOC32_SETFLAGS _IOW('f', 2, int)
#define FS_IOC32_GETVERSION _IOR('v', 1, int)
#define FS_IOC32_SETVERSION _IOW('v', 2, int)
-#define FS_IOC_FSGETXATTR _IOR ('X', 31, struct fsxattr)
-#define FS_IOC_FSSETXATTR _IOW ('X', 32, struct fsxattr)
+#define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr)
+#define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr)
+#define FS_IOC_GETFSLABEL _IOR(0x94, 49, char[FSLABEL_MAX])
+#define FS_IOC_SETFSLABEL _IOW(0x94, 50, char[FSLABEL_MAX])
/*
* File system encryption support