52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# This file and its contents are supplied under the terms of the
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# Common Development and Distribution License ("CDDL"), version 1.0.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# You may only use this file in accordance with the terms of version
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# 1.0 of the CDDL.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# A full copy of the text of the CDDL should have accompanied this
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# source. A copy of the CDDL is also available via the Internet at
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy# Copyright (c) 2014, 2016 by Delphix. All rights reserved.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# Verify that holes can be written and read back correctly in ZFS.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# 1. Create a testfile with varying holes and data throughout the file.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# 2. Verify that each created file has the correct number of holes and
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# data blocks as seen by both lseek and libzfs.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# 3. Do the same verification for a largefile.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy# 4. Repeat for each recsize.
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy. $STF_SUITE/tests/functional/holes/holes.shlib
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedyfor bs in 512 1024 2048 4096 8192 16384 32768 65536 131072; do
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must zfs set recsize=$bs $TESTPOOL/$TESTFS
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy # Create combinations of holes and data to verify holes ending files
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy # and the like. (hhh, hhd, hdh...)
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -h 0:$((bs * 6)) $testfile
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 6 0
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -h 0:$((bs * 4)) -d $((bs * 4)):$((bs * 2)) $testfile
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 4 2
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -h 0:$((bs * 2)) -d $((bs * 2)):$((bs * 2)) \
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 4 2
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -h 0:$((bs * 2)) -d $((bs * 2)):$((bs * 4)) $testfile
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 2 4
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -d 0:$((bs * 2)) -h $((bs * 2)):$((bs * 4)) $testfile
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 4 2
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -d 0:$((bs * 2)) -h $((bs * 2)):$((bs * 2)) \
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 2 4
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -d 0:$((bs * 4)) -h $((bs * 4)):$((bs * 2)) $testfile
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 2 4
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -d 0:$((bs * 6)) $testfile
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy verify_holes_and_data_blocks $testfile 0 6
52244c0958bdf281ca42932b449f644b4decfdc2John Wren Kennedy # Verify holes are correctly seen past the largefile limit.
1d32ba663e202c24a5a1f2e5aef83fffb447cb7fJohn Wren Kennedy log_must mkholes -h 0:$len -d $len:$bs $testfile