diff --git a/libc/kernel/common/linux/fs.h b/libc/kernel/common/linux/fs.h
new file mode 100644
index 0000000..8d375b5
--- /dev/null
+++ b/libc/kernel/common/linux/fs.h
@@ -0,0 +1,162 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _LINUX_FS_H
+#define _LINUX_FS_H
+
+#include <linux/limits.h>
+#include <linux/ioctl.h>
+
+#undef NR_OPEN
+#define NR_OPEN (1024*1024)  
+#define INR_OPEN 1024  
+
+#define BLOCK_SIZE_BITS 10
+#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
+
+#define SEEK_SET 0  
+#define SEEK_CUR 1  
+#define SEEK_END 2  
+
+struct files_stat_struct {
+ int nr_files;
+ int nr_free_files;
+ int max_files;
+};
+
+struct inodes_stat_t {
+ int nr_inodes;
+ int nr_unused;
+ int dummy[5];
+};
+
+#define NR_FILE 8192  
+
+#define MAY_EXEC 1
+#define MAY_WRITE 2
+#define MAY_READ 4
+#define MAY_APPEND 8
+
+#define FMODE_READ 1
+#define FMODE_WRITE 2
+
+#define FMODE_LSEEK 4
+#define FMODE_PREAD 8
+#define FMODE_PWRITE FMODE_PREAD  
+
+#define FMODE_EXEC 16
+
+#define RW_MASK 1
+#define RWA_MASK 2
+#define READ 0
+#define WRITE 1
+#define READA 2  
+#define SWRITE 3  
+#define SPECIAL 4  
+#define READ_SYNC (READ | (1 << BIO_RW_SYNC))
+#define WRITE_SYNC (WRITE | (1 << BIO_RW_SYNC))
+#define WRITE_BARRIER ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
+
+#define SEL_IN 1
+#define SEL_OUT 2
+#define SEL_EX 4
+
+#define FS_REQUIRES_DEV 1 
+#define FS_BINARY_MOUNTDATA 2
+#define FS_REVAL_DOT 16384  
+#define FS_ODD_RENAME 32768  
+
+#define MS_RDONLY 1  
+#define MS_NOSUID 2  
+#define MS_NODEV 4  
+#define MS_NOEXEC 8  
+#define MS_SYNCHRONOUS 16  
+#define MS_REMOUNT 32  
+#define MS_MANDLOCK 64  
+#define MS_DIRSYNC 128  
+#define MS_NOATIME 1024  
+#define MS_NODIRATIME 2048  
+#define MS_BIND 4096
+#define MS_MOVE 8192
+#define MS_REC 16384
+#define MS_VERBOSE 32768  
+#define MS_SILENT 32768
+#define MS_POSIXACL (1<<16)  
+#define MS_UNBINDABLE (1<<17)  
+#define MS_PRIVATE (1<<18)  
+#define MS_SLAVE (1<<19)  
+#define MS_SHARED (1<<20)  
+#define MS_ACTIVE (1<<30)
+#define MS_NOUSER (1<<31)
+
+#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK)
+
+#define MS_MGC_VAL 0xC0ED0000
+#define MS_MGC_MSK 0xffff0000
+
+#define S_SYNC 1  
+#define S_NOATIME 2  
+#define S_APPEND 4  
+#define S_IMMUTABLE 8  
+#define S_DEAD 16  
+#define S_NOQUOTA 32  
+#define S_DIRSYNC 64  
+#define S_NOCMTIME 128  
+#define S_SWAPFILE 256  
+#define S_PRIVATE 512  
+
+#define __IS_FLG(inode,flg) ((inode)->i_sb->s_flags & (flg))
+
+#define IS_RDONLY(inode) ((inode)->i_sb->s_flags & MS_RDONLY)
+#define IS_SYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS) ||   ((inode)->i_flags & S_SYNC))
+#define IS_DIRSYNC(inode) (__IS_FLG(inode, MS_SYNCHRONOUS|MS_DIRSYNC) ||   ((inode)->i_flags & (S_SYNC|S_DIRSYNC)))
+#define IS_MANDLOCK(inode) __IS_FLG(inode, MS_MANDLOCK)
+
+#define IS_NOQUOTA(inode) ((inode)->i_flags & S_NOQUOTA)
+#define IS_APPEND(inode) ((inode)->i_flags & S_APPEND)
+#define IS_IMMUTABLE(inode) ((inode)->i_flags & S_IMMUTABLE)
+#define IS_POSIXACL(inode) __IS_FLG(inode, MS_POSIXACL)
+
+#define IS_DEADDIR(inode) ((inode)->i_flags & S_DEAD)
+#define IS_NOCMTIME(inode) ((inode)->i_flags & S_NOCMTIME)
+#define IS_SWAPFILE(inode) ((inode)->i_flags & S_SWAPFILE)
+#define IS_PRIVATE(inode) ((inode)->i_flags & S_PRIVATE)
+
+#define BLKROSET _IO(0x12,93)  
+#define BLKROGET _IO(0x12,94)  
+#define BLKRRPART _IO(0x12,95)  
+#define BLKGETSIZE _IO(0x12,96)  
+#define BLKFLSBUF _IO(0x12,97)  
+#define BLKRASET _IO(0x12,98)  
+#define BLKRAGET _IO(0x12,99)  
+#define BLKFRASET _IO(0x12,100) 
+#define BLKFRAGET _IO(0x12,101) 
+#define BLKSECTSET _IO(0x12,102) 
+#define BLKSECTGET _IO(0x12,103) 
+#define BLKSSZGET _IO(0x12,104) 
+
+#define BLKBSZGET _IOR(0x12,112,size_t)
+#define BLKBSZSET _IOW(0x12,113,size_t)
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)  
+#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
+#define BLKTRACESTART _IO(0x12,116)
+#define BLKTRACESTOP _IO(0x12,117)
+#define BLKTRACETEARDOWN _IO(0x12,118)
+
+#define BMAP_IOCTL 1  
+#define FIBMAP _IO(0x00,1)  
+#define FIGETBSZ _IO(0x00,2)  
+
+#define SYNC_FILE_RANGE_WAIT_BEFORE 1
+#define SYNC_FILE_RANGE_WRITE 2
+#define SYNC_FILE_RANGE_WAIT_AFTER 4
+
+#endif