--- IO-AIO/AIO.pm	2012/08/13 01:02:30	1.234
+++ IO-AIO/AIO.pm	2012/08/22 22:28:03	1.235
@@ -170,7 +170,7 @@
 use base 'Exporter';
 
 BEGIN {
-   our $VERSION = '4.15';
+   our $VERSION = '4.16';
 
    our @AIO_REQ = qw(aio_sendfile aio_seek aio_read aio_write aio_open aio_close
                      aio_stat aio_lstat aio_unlink aio_rmdir aio_readdir aio_readdirx
@@ -605,6 +605,87 @@
       fsid    => 1810
    }
 
+Here is a (likely partial) list of fsid values used by Linux - it is safe
+to hardcode these when the $^O is C<linux>:
+
+   0x0000adf5 adfs
+   0x0000adff affs
+   0x5346414f afs
+   0x09041934 anon-inode filesystem
+   0x00000187 autofs
+   0x42465331 befs
+   0x1badface bfs
+   0x42494e4d binfmt_misc
+   0x9123683e btrfs
+   0x0027e0eb cgroupfs
+   0xff534d42 cifs
+   0x73757245 coda
+   0x012ff7b7 coh
+   0x28cd3d45 cramfs
+   0x453dcd28 cramfs-wend (wrong endianness)
+   0x64626720 debugfs
+   0x00001373 devfs
+   0x00001cd1 devpts
+   0x0000f15f ecryptfs
+   0x00414a53 efs
+   0x0000137d ext
+   0x0000ef53 ext2/ext3
+   0x0000ef51 ext2
+   0x00004006 fat
+   0x65735546 fuseblk
+   0x65735543 fusectl
+   0x0bad1dea futexfs
+   0x01161970 gfs2
+   0x47504653 gpfs
+   0x00004244 hfs
+   0xf995e849 hpfs
+   0x958458f6 hugetlbfs
+   0x2bad1dea inotifyfs
+   0x00009660 isofs
+   0x000072b6 jffs2
+   0x3153464a jfs
+   0x6b414653 k-afs
+   0x0bd00bd0 lustre
+   0x0000137f minix
+   0x0000138f minix 30 char names
+   0x00002468 minix v2
+   0x00002478 minix v2 30 char names
+   0x00004d5a minix v3
+   0x19800202 mqueue
+   0x00004d44 msdos
+   0x0000564c novell
+   0x00006969 nfs
+   0x6e667364 nfsd
+   0x00003434 nilfs
+   0x5346544e ntfs
+   0x00009fa1 openprom
+   0x7461636F ocfs2
+   0x00009fa0 proc
+   0x6165676c pstorefs
+   0x0000002f qnx4
+   0x858458f6 ramfs
+   0x52654973 reiserfs
+   0x00007275 romfs
+   0x67596969 rpc_pipefs
+   0x73636673 securityfs
+   0xf97cff8c selinux
+   0x0000517b smb
+   0x534f434b sockfs
+   0x73717368 squashfs
+   0x62656572 sysfs
+   0x012ff7b6 sysv2
+   0x012ff7b5 sysv4
+   0x01021994 tmpfs
+   0x15013346 udf
+   0x00011954 ufs
+   0x54190100 ufs byteswapped
+   0x00009fa2 usbdevfs
+   0x01021997 v9fs
+   0xa501fcf5 vxfs
+   0xabba1974 xenfs
+   0x012ff7b4 xenix
+   0x58465342 xfs
+   0x012fd16d xia
 
 =item aio_utime $fh_or_path, $atime, $mtime, $callback->($status)