1 files changed, 54 insertions, 0 deletions
diff --git a/tests/bugs/bug-949242.t b/tests/bugs/bug-949242.t
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+++ b/tests/bugs/bug-949242.t
@@ -0,0 +1,54 @@
+#!/bin/bash
+#
+# Bug 949242 - Test basic fallocate functionality.
+#
+# Run several commands to verify basic fallocate functionality. We verify that
+# fallocate creates and allocates blocks to a file. We also verify that the keep
+# size option does not modify the file size.
+###
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../fallocate.rc
+
+cleanup;
+
+TEST glusterd
+
+TEST $CLI volume create $V0 replica 2 $H0:$B0/${V0}{1,2,3,4}
+TEST $CLI volume start $V0
+
+TEST glusterfs --volfile-id=$V0 --volfile-server=$H0 $M0 --attribute-timeout=0 --entry-timeout=0
+
+# check for fallocate support before continuing the test
+require_fallocate -l 1m -n $M0/file && rm -f $M0/file
+
+# fallocate a file and verify blocks are allocated
+TEST fallocate -l 1m $M0/file
+blksz=`stat --printf=%b $M0/file`
+nblks=`stat --printf=%B $M0/file`
+TEST [ $(($blksz * $nblks)) -eq 1048576 ]
+
+TEST unlink $M0/file
+
+# truncate a file to a fixed size, fallocate and verify that the size does not
+# change
+TEST truncate --size=1m $M0/file
+TEST fallocate -l 2m -n $M0/file
+blksz=`stat --printf=%b $M0/file`
+nblks=`stat --printf=%B $M0/file`
+sz=`stat --printf=%s $M0/file`
+TEST [ $sz -eq 1048576 ]
+# Note that gluster currently incorporates a hack to limit the number of blocks
+# reported as allocated to the file by the file size. We have allocated beyond the
+# file size here. Just check for non-zero allocation to avoid setting a land mine
+# for if/when that behavior might change.
+TEST [ ! $(($blksz * $nblks)) -eq 0 ]
+
+TEST unlink $M0/file
+
+TEST umount $M0
+
+TEST $CLI volume stop $V0
+TEST $CLI volume delete $V0
+
+cleanup;