use parent qw(Exporter);
use Symbol qw(gensym);
use PublicInbox::ProcessPipe;
-our @EXPORT_OK = qw/which spawn popen_rd/;
+our @EXPORT_OK = qw/which spawn popen_rd nodatacow_dir/;
our @RLIMITS = qw(RLIMIT_CPU RLIMIT_CORE RLIMIT_DATA);
my $vfork_spawn = <<'VFORK_SPAWN';
#include <sys/vfs.h>
#include <linux/magic.h>
#include <linux/fs.h>
+#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
-void set_nodatacow(int fd)
+void nodatacow_fd(int fd)
{
struct statfs buf;
int val = 0;
if (ioctl(fd, FS_IOC_SETFLAGS, &val) < 0)
fprintf(stderr, "FS_IOC_SET_FLAGS: %s\\n", strerror(errno));
}
+
+void nodatacow_dir(const char *dir)
+{
+ DIR *dh = opendir(dir);
+ int fd;
+
+ if (!dh) croak("opendir(%s): %s", dir, strerror(errno));
+ fd = dirfd(dh);
+ if (fd >= 0)
+ nodatacow_fd(fd);
+ /* ENOTSUP probably won't happen under Linux... */
+ closedir(dh);
+}
SET_NODATACOW
my $inline_dir = $ENV{PERL_INLINE_DIRECTORY} //= (
unless ($set_nodatacow) {
require PublicInbox::NDC_PP;
no warnings 'once';
- *set_nodatacow = \&PublicInbox::NDC_PP::set_nodatacow;
+ *nodatacow_fd = \&PublicInbox::NDC_PP::nodatacow_fd;
+ *nodatacow_dir = \&PublicInbox::NDC_PP::nodatacow_dir;
}
undef $set_nodatacow;
undef $vfork_spawn;
}
my $cd = $opts->{'-C'} // ''; # undef => NULL mapping doesn't work?
my $pid = pi_fork_exec($redir, $f, $cmd, \@env, $rlim, $cd);
- die "fork_exec failed: $!\n" unless $pid > 0;
+ die "fork_exec @$cmd failed: $!\n" unless $pid > 0;
$pid;
}