Filesystem quotas may stop you from using large files.

p4raw-id: //depot/cfgperl@4167

2 files changed, 34 insertions, 15 deletions

diff --git a/t/lib/syslfs.t b/t/lib/syslfs.t
index 4d38a8e779..14a968a88c 100644
--- a/t/lib/syslfs.t
+++ b/t/lib/syslfs.t
@@ -30,13 +30,15 @@ sub explain {
     print <<EOM;
 #
 # If the lfs (large file support: large meaning larger than two gigabytes)
-# tests are skipped or fail, it may mean either that your process is not
-# allowed to write large files or that the file system you are running
-# the tests on doesn't support large files, or both.  You may also need
-# to reconfigure your kernel. (This is all very system-dependent.)
+# tests are skipped or fail, it may mean either that your process
+# (or process group) is not allowed to write large files (resource
+# limits) or that the file system you are running the tests on doesn't
+# let your user/group have large files (quota) or the filesystem simply
+# doesn't support large files.  You may even need to reconfigure your kernel.
+# (This is all very operating system and site-dependent.)
 #
 # Perl may still be able to support large files, once you have
-# such a process and such a (file) system.
+# such a process, enough quota, and such a (file) system.
 #
 EOM
 }
@@ -79,19 +81,27 @@ unless (@s == 13 &&
 # By now we better be sure that we do have sparse files:
 # if we are not, the following will hog 5 gigabytes of disk.  Ooops.
 
+$ENV{LC_ALL} = "C";
+
 sysopen(BIG, "big", O_WRONLY|O_CREAT|O_TRUNC) or
 	do { warn "sysopen failed: $!\n"; bye };
 sysseek(BIG, 5_000_000_000, SEEK_SET);
+
 # The syswrite will fail if there are are filesize limitations (process or fs).
-unless(syswrite(BIG, "big") == 3) {
-    $ENV{LC_ALL} = "C";
+my $syswrite = syswrite(BIG, "big") == 3;
+my $close   = close BIG if $syswrite;
+unless($syswrite && $close) {
+    unless ($syswrite) {
+        print "# syswrite failed: $!\n"
+    } else {
+        print "# close failed: $!\n"
+    }
     if ($! =~/File too large/) {
 	print "1..0\n# writing past 2GB failed\n";
 	explain();
-	bye();
     }
+    bye();
 }
-close BIG;
 
 @s = stat("big");
 
diff --git a/t/op/lfs.t b/t/op/lfs.t
index ae6aac6079..af7853b270 100644
--- a/t/op/lfs.t
+++ b/t/op/lfs.t
@@ -29,13 +29,15 @@ sub explain {
     print <<EOM;
 #
 # If the lfs (large file support: large meaning larger than two gigabytes)
-# tests are skipped or fail, it may mean either that your process is not
-# allowed to write large files or that the file system you are running
-# the tests on doesn't support large files, or both.  You may also need
-# to reconfigure your kernel. (This is all very system-dependent.)
+# tests are skipped or fail, it may mean either that your process
+# (or process group) is not allowed to write large files (resource
+# limits) or that the file system you are running the tests on doesn't
+# let your user/group have large files (quota) or the filesystem simply
+# doesn't support large files.  You may even need to reconfigure your kernel.
+# (This is all very operating system and site-dependent.)
 #
 # Perl may still be able to support large files, once you have
-# such a process and such a (file) system.
+# such a process, enough quota, and such a (file) system.
 #
 EOM
 }
@@ -82,15 +84,22 @@ unless (@s == 13 &&
 # By now we better be sure that we do have sparse files:
 # if we are not, the following will hog 5 gigabytes of disk.  Ooops.
 
+$ENV{LC_ALL} = "C";
+
 open(BIG, ">big") or do { warn "open failed: $!\n"; bye };
 binmode BIG;
 seek(BIG, 5_000_000_000, $SEEK_SET);
+
 # Either the print or (more likely, thanks to buffering) the close will
 # fail if there are are filesize limitations (process or fs).
 my $print = print BIG "big";
 my $close = close BIG if $print;
 unless ($print && $close) {
-    $ENV{LC_ALL} = "C";
+    unless ($print) {
+        print "# print failed: $!\n"
+    } else {
+        print "# close failed: $!\n"
+    }
     if ($! =~/File too large/) {
 	print "1..0\n# writing past 2GB failed\n";
 	explain();