path: root/tests/basic/ec/ec-fallocate.t
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Diffstat (limited to 'tests/basic/ec/ec-fallocate.t')
1 files changed, 72 insertions, 0 deletions
diff --git a/tests/basic/ec/ec-fallocate.t b/tests/basic/ec/ec-fallocate.t
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+++ b/tests/basic/ec/ec-fallocate.t
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+# 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)/../../volume.rc
+. $(dirname $0)/../../fallocate.rc
+#cleate and start volume
+TEST glusterd
+TEST pidof glusterd
+TEST $CLI volume create $V0 disperse 3 redundancy 1 $H0:$B0/${V0}{0..2}
+TEST $CLI volume start $V0
+#Mount the volume
+TEST $GFS --volfile-id=/$V0 --volfile-server=$H0 $M0;
+EXPECT_WITHIN $CHILD_UP_TIMEOUT "3" ec_child_up_count $V0 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 -c %b $M0/file`
+nblks=`stat -c %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 -s 1M $M0/file
+TEST fallocate -l 2m -n $M0/file
+blksz=`stat -c %b $M0/file`
+nblks=`stat -c %B $M0/file`
+sz=`stat -c %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 $M0/file
+# write some data, fallocate within and outside the range
+# and check for data corruption.
+TEST dd if=/dev/urandom of=$M0/file bs=1024k count=1
+TEST cp $M0/file $M0/file.copy.pre
+TEST fallocate -o 512k -l 128k $M0/file
+TEST cp $M0/file $M0/
+TEST cmp $M0/file.copy.pre $M0/
+TEST fallocate -o 1000k -l 128k $M0/file
+TEST cp $M0/file $M0/file.copy.post2
+TEST ! cmp $M0/file.copy.pre $M0/file.copy.post2
+TEST truncate -s 1M $M0/file.copy.post2
+TEST cmp $M0/file.copy.pre $M0/file.copy.post2
+TEST unlink $M0/file
+#Make sure offset/size are modified so that 3 blocks are allocated
+TEST touch $M0/f1
+TEST fallocate -o 1280 -l 1024 $M0/f1
+EXPECT "^2304$" stat -c "%s" $M0/f1
+EXPECT "^1536$" stat -c "%s" $B0/${V0}0/f1