--- IO-AIO/AIO.pm	2022/09/05 00:03:32	1.315
+++ IO-AIO/AIO.pm	2023/09/27 03:09:57	1.319
@@ -173,7 +173,7 @@
 use base 'Exporter';
 
 BEGIN {
-   our $VERSION = 4.77;
+   our $VERSION = 4.80;
 
    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
@@ -197,7 +197,7 @@
                        mmap munmap mremap munlock munlockall
 
                        accept4 tee splice pipe2 pipesize
-                       fexecve memfd_create eventfd
+                       fexecve mount umount memfd_create eventfd
                        timerfd_create timerfd_settime timerfd_gettime
                        pidfd_open pidfd_send_signal pidfd_getfd);
 
@@ -329,6 +329,9 @@
    $status = IO::AIO::pidfd_send_signal $pidfh, $signal[, $siginfo[, $flags]]
    $fh = IO::AIO::pidfd_getfd $pidfh, $targetfd[, $flags]
 
+   $retval = IO::AIO::mount $special, $path, $fstype, $flags = 0, $data = undef
+   $retval = IO::AIO::umount $path, $flags = 0
+
 =head2 API NOTES
 
 All the C<aio_*> calls are more or less thin wrappers around the syscall
@@ -412,9 +415,6 @@
 Asynchronously open or create a file and call the callback with a newly
 created filehandle for the file (or C<undef> in case of an error).
 
-The pathname passed to C<aio_open> must be absolute. See API NOTES, above,
-for an explanation.
-
 The C<$flags> argument is a bitmask. See the C<Fcntl> module for a
 list. They are the same as used by C<sysopen>.
 
@@ -584,9 +584,6 @@
 using C<stat _> or C<-s _> and other tests (with the exception of C<-B>
 and C<-T>).
 
-The pathname passed to C<aio_stat> must be absolute. See API NOTES, above,
-for an explanation.
-
 Currently, the stats are always 64-bit-stats, i.e. instead of returning an
 error when stat'ing a large file, the results will be silently truncated
 unless perl itself is compiled with large file support.
@@ -980,6 +977,11 @@
          aioreq_pri $pri;
          add $grp aio_open $dst, O_CREAT | O_WRONLY | O_TRUNC, 0200, sub {
             if (my $dst_fh = $_[0]) {
+
+               # best-effort preallocate
+               aioreq_pri $pri;
+               add $grp aio_allocate $dst_fh, IO::AIO::FALLOC_FL_KEEP_SIZE, 0, $stat[7], sub { };
+
                aioreq_pri $pri;
                add $grp aio_sendfile $dst_fh, $src_fh, 0, $stat[7], sub {
                   if ($_[0] == $stat[7]) {
@@ -1353,6 +1355,11 @@
 C<FS_XFLAG_PROJINHERIT>, C<FS_XFLAG_NOSYMLINKS>, C<FS_XFLAG_EXTSIZE>, C<FS_XFLAG_EXTSZINHERIT>,
 C<FS_XFLAG_NODEFRAG>, C<FS_XFLAG_FILESTREAM>, C<FS_XFLAG_DAX>, C<FS_XFLAG_HASATTR>,
 
+C<BLKROSET>, C<BLKROGET>, C<BLKRRPART>, C<BLKGETSIZE>, C<BLKFLSBUF>, C<BLKRASET>,
+C<BLKRAGET>, C<BLKFRASET>, C<BLKFRAGET>, C<BLKSECTSET>, C<BLKSECTGET>, C<BLKSSZGET>,
+C<BLKBSZGET>, C<BLKBSZSET>, C<BLKGETSIZE64>,
+
+
 =item aio_sync $callback->($status)
 
 Asynchronously call sync and call the callback when finished.
@@ -2241,6 +2248,32 @@
 allows you to specify the program to be executed via a file descriptor (or
 handle). Returns C<-1> and sets errno to C<ENOSYS> if not available.
 
+=item $retval = IO::AIO::mount $special, $path, $fstype, $flags = 0, $data = undef
+
+Calls the GNU/Linux mount syscall with the given arguments. All except
+C<$flags> are strings, and if C<$data> is C<undef>, a C<NULL> will be
+passed.
+
+The following values for C<$flags> are available:
+
+C<IO::AIO::MS_RDONLY>, C<IO::AIO::MS_NOSUID>, C<IO::AIO::MS_NODEV>, C<IO::AIO::MS_NOEXEC>, C<IO::AIO::MS_SYNCHRONOUS>,
+C<IO::AIO::MS_REMOUNT>, C<IO::AIO::MS_MANDLOCK>, C<IO::AIO::MS_DIRSYNC>, C<IO::AIO::MS_NOATIME>,
+C<IO::AIO::MS_NODIRATIME>, C<IO::AIO::MS_BIND>, C<IO::AIO::MS_MOVE>, C<IO::AIO::MS_REC>, C<IO::AIO::MS_SILENT>,
+C<IO::AIO::MS_POSIXACL>, C<IO::AIO::MS_UNBINDABLE>, C<IO::AIO::MS_PRIVATE>, C<IO::AIO::MS_SLAVE>, C<IO::AIO::MS_SHARED>,
+C<IO::AIO::MS_RELATIME>, C<IO::AIO::MS_KERNMOUNT>, C<IO::AIO::MS_I_VERSION>, C<IO::AIO::MS_STRICTATIME>,
+C<IO::AIO::MS_LAZYTIME>, C<IO::AIO::MS_ACTIVE>, C<IO::AIO::MS_NOUSER>, C<IO::AIO::MS_RMT_MASK>, C<IO::AIO::MS_MGC_VAL> and
+C<IO::AIO::MS_MGC_MSK>.
+
+=item $retval = IO::AIO::umount $path, $flags = 0
+
+Invokes the GNU/Linux C<umount> or C<umount2> syscalls. Always calls
+C<umount> if C<$flags> is C<0>, otherwqise always tries to call
+C<umount2>.
+
+The following C<$flags> are available:
+
+C<IO::AIO::MNT_FORCE>, C<IO::AIO::MNT_DETACH>, C<IO::AIO::MNT_EXPIRE> and C<IO::AIO::UMOUNT_NOFOLLOW>.
+
 =item $numfd = IO::AIO::get_fdlimit
 
 Tries to find the current file descriptor limit and returns it, or