glusterfs

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