3e7cc11ecb
Executing the script inside the directories as './test.sh' is not
supposed to work but could happen accidentally. With an exit after
attempting to source the we can fix that. Not all cases have been fixed
in f6bbe06c08 ("btrfs-progs: tests: add protection against running
out of test suite").
Signed-off-by: David Sterba <dsterba@suse.com>
30 lines
774 B
Bash
Executable file
30 lines
774 B
Bash
Executable file
#!/bin/bash
|
|
#
|
|
# Make sure "btrfs check" can detect device smaller than its total_bytes
|
|
# in device item
|
|
#
|
|
|
|
source "$TEST_TOP/common" || exit
|
|
|
|
setup_root_helper
|
|
|
|
file="img"
|
|
# Allocate an initial 1G file for testing.
|
|
_mktemp_local "$file" 1g
|
|
|
|
dev=$(run_check_stdout $SUDO_HELPER losetup --find --show "$file")
|
|
|
|
run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$dev"
|
|
|
|
# The original device size from prepare_loopdevs is 2G.
|
|
# Since the fs is empty, shrinking it to 996m will not cause any
|
|
# lose of metadata.
|
|
run_check $SUDO_HELPER losetup -d "$dev"
|
|
truncate -s 996m "$file"
|
|
dev=$(run_check_stdout $SUDO_HELPER losetup --find --show "$file")
|
|
|
|
run_mustfail "btrfs check should detect errors in device size" \
|
|
"$TOP/btrfs" check "$dev"
|
|
|
|
$SUDO_HELPER losetup -d "$dev"
|
|
rm -- "$file"
|