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Merge pull request #2132 from tophj-ibm/lower-mkfs-size

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[testing] use smaller filesize on 4KB pagesize systems
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Michael Crosby 2018-02-16 11:42:11 -05:00 committed by GitHub
commit ea58933dbc
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1 changed files with 8 additions and 1 deletions
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9
snapshots/btrfs/btrfs_test.go
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@ -29,7 +29,14 @@ func boltSnapshotter(t *testing.T) func(context.Context, string) (snapshots.Snap
return func(ctx context.Context, root string) (snapshots.Snapshotter, func() error, error) { return func(ctx context.Context, root string) (snapshots.Snapshotter, func() error, error) {
deviceName, cleanupDevice, err := testutil.NewLoopback(650 << 20) // 650 MB loopbackSize := int64(100 << 20) // 100 MB
// mkfs.btrfs creates a fs which has a blocksize equal to the system default pagesize. If that pagesize
// is > 4KB, mounting the fs will fail unless we increase the size of the file used by mkfs.btrfs
if os.Getpagesize() > 4096 {
loopbackSize = int64(650 << 20) // 650 MB
}
deviceName, cleanupDevice, err := testutil.NewLoopback(loopbackSize)
if err != nil { if err != nil {
return nil, nil, err return nil, nil, err
} }