2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2007 Silicon Graphics, Inc. All Rights Reserved.
7 # Check the filestreams allocator is doing its job.
8 # Multi-file data streams should always write into seperate AGs.
11 _begin_fstest rw filestreams
13 # Import common functions.
15 . ./common/filestreams
17 # real QA test starts here
22 _check_filestreams_support || _notrun "filestreams not available"
24 # test large number of streams, multiple I/O per file, 120s timeout
25 # Because each stream spills over an AG, the stream count needs to
26 # be less than or equal to half the AG count so we don't run out of AGs.
27 _set_stream_timeout_centisecs 12000
29 # This test checks the exact point at which the filestreams allocator will
30 # start to allocate space from some AG into more than one stream. Newer
31 # feature sets (e.g. reflink) have increased the size of the log for small
32 # filesystems, so we make sure there's one more AG than filestreams to
33 # encourage the allocator to skip whichever AG owns the log.
35 # Exercise 65x 16MB AGs, 32/33 filestreams, 8 files per stream, and 2MB per
37 _test_streams 65 16 34 8 2 1 1 fail
38 _test_streams 65 16 32 8 2 0 1
39 _test_streams 65 16 34 8 2 0 0 fail
40 _test_streams 65 16 32 8 2 1 0