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8df7652cfa
Commit 5eeaca94 added /sbin to the PATH for tests using mkfs. For other
tests, e.g. tests/cp-fiemap-perf using filefrag, we need /usr/sbin also.
Add both directories generally for the tests, "since many of us always
augment our PATH with all of the sbin paths all of the time anyway" (Bob
in http://lists.gnu.org/archive/html/coreutils/2011-11/msg00107.html).
The previous commit is hereby obsolete.
* tests/init.cfg (sanitize_path_): Add /sbin and /usr/sbin to PATH
unless already included. Needed for tests using admin tools like mkfs
and filefrag on systems where the user's environment does not have
these directories in the PATH.
* tests/init.cfg (require_mkfs_PATH_): Remove obsolete function.
* tests/cp/cp-a-selinux: Remove require_mkfs_PATH_ call.
* tests/cp/cp-mv-enotsup-xattr: Likewise.
* tests/cp/sparse-fiemap: Likewise.
* tests/mkdir/writable-under-readonly: Likewise.
* tests/rm/read-only: Likewise.
117 lines
4.3 KiB
Bash
Executable File
117 lines
4.3 KiB
Bash
Executable File
#!/bin/sh
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# Test cp --sparse=always through fiemap copy
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# Copyright (C) 2010-2011 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../src
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print_ver_ cp
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$PERL -e 1 || skip_ 'you lack perl'
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# The test was seen to fail on ext3 so exclude that type
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# (or any file system where the type can't be determined)
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touch fiemap_chk
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if fiemap_capable_ fiemap_chk && ! df -t ext3 . >/dev/null; then
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: # Current partition has working extents. Good!
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else
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# FIXME: temporarily(?) skip this variant, at least until after this bug
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# is fixed: http://thread.gmane.org/gmane.comp.file-systems.ext4/24495
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skip_ "current file system has insufficient FIEMAP support"
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# It's not; we need to create one, hence we need root access.
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require_root_
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cwd=$PWD
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cleanup_() { cd /; umount "$cwd/mnt"; }
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skip=0
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# Create an ext4 loopback file system
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dd if=/dev/zero of=blob bs=32k count=1000 || skip=1
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mkdir mnt
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mkfs -t ext4 -F blob ||
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skip_ "failed to create ext4 file system"
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mount -oloop blob mnt || skip=1
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cd mnt || skip=1
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echo test > f || skip=1
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test -s f || skip=1
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test $skip = 1 &&
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skip_ "insufficient mount/ext4 support"
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fi
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# =================================================
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# Ensure that we exercise the FIEMAP-copying code enough
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# to provoke at least two iterations of the do...while loop
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# in which it calls ioctl (fd, FS_IOC_FIEMAP,...
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# This also verifies that non-trivial extents are preserved.
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# Extract logical block number and length pairs from filefrag -v output.
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# The initial sed is to remove the "eof" from the normally-empty "flags" field.
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# Similarly, remove flags values like "unknown,delalloc,eof".
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# That is required when that final extent has no number in the "expected" field.
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f()
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{
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sed 's/ [a-z,][a-z,]*$//' $@ \
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| awk '/^ *[0-9]/ {printf "%d %d ", $2, (NF<5 ? $NF : $5) } END {print ""}'
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}
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for i in $(seq 1 2 21); do
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for j in 1 2 31 100; do
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$PERL -e '$n = '$i' * 1024; *F = *STDOUT;' \
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-e 'for (1..'$j') { sysseek (*F, $n, 1)' \
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-e '&& syswrite (*F, chr($_)x$n) or die "$!"}' > j1 || fail=1
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# Note there is an implicit sync performed by cp on Linux kernels
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# before 2.6.39 to work around bugs in EXT4 and BTRFS.
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# Note also the -s parameter to the filefrag commands below
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# for the same reasons.
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cp --sparse=always j1 j2 || fail=1
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cmp j1 j2 || fail_ "data loss i=$i j=$j"
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if ! filefrag -vs j1 | grep -F extent >/dev/null; then
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test $skip != 1 && warn_ 'skipping part; you lack filefrag'
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skip=1
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else
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# Here is sample filefrag output:
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# $ perl -e 'BEGIN{$n=16*1024; *F=*STDOUT}' \
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# -e 'for (1..5) { sysseek(*F,$n,1)' \
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# -e '&& syswrite *F,"."x$n or die "$!"}' > j
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# $ filefrag -v j
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# File system type is: ef53
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# File size of j is 163840 (40 blocks, blocksize 4096)
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# ext logical physical expected length flags
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# 0 4 6258884 4
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# 1 12 6258892 6258887 4
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# 2 20 6258900 6258895 4
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# 3 28 6258908 6258903 4
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# 4 36 6258916 6258911 4 eof
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# j: 6 extents found
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# exclude the physical block numbers; they always differ
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filefrag -v j1 > ff1 || framework_failure_
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filefrag -vs j2 > ff2 || framework_failure_
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{ f ff1; f ff2; } | $PERL $abs_top_srcdir/tests/filefrag-extent-compare \
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|| {
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warn_ ignoring filefrag-reported extent map differences
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# Show the differing extent maps.
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head -n99 ff1 ff2
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}
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fi
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test $fail = 1 && break 2
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done
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done
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Exit $fail
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