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tests: support more file systems in the cp fiemap tests

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* tests/cp/sparse-fiemap: Check for fiemap support against a file
rather than a directory to enable tests on BTRFS for example.
Explicity disable the test on ext3 or file systems where we
can't determine the type.
* tests/cp/fiemap-perf: Likewise.  Also disable the test on older
BTRFS (like in Fedora 14), where extents are returned for holes.
* tests/init.cfg: Comment that BTRFS only supports fiemap
for regular files.
This commit is contained in:
Pádraig Brady
2011-02-13 18:56:10 +00:00
parent 275c831a3c
commit 0f56019db8
3 changed files with 20 additions and 9 deletions
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18
tests/cp/fiemap-perf
View File

@@ -20,14 +20,24 @@
print_ver_ cp
# Require a fiemap-enabled FS.
# Note we don't check a file here as that could enable
# the test on ext3 where emulated extent scanning can be slow.
fiemap_capable_ . \
|| skip_ "this file system lacks FIEMAP support"
touch fiemap_chk
fiemap_capable_ fiemap_chk ||
skip_ "this file system lacks FIEMAP support"
# Exclude ext3 (or unknown fs types)
# as the emulated extent scanning is slow
df -t ext3 . >/dev/null &&
skip_ "ext3 has known slow FIEMAP scanning"
# Create a large-but-sparse file.
timeout 10 truncate -s1T f || framework_failure_
# Disable this test on old BTRFS (e.g. Fedora 14)
# which reports (unwritten) extents for holes.
filefrag f || skip_test_ 'the `filefrag` utility is missing'
filefrag f | grep -F ': 0 extents found' > /dev/null ||
skip_test_ 'this file system reports extents for holes'
# Nothing can read (much less write) that many bytes in so little time.
timeout 10 cp f f2 || fail=1

9
tests/cp/sparse-fiemap
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@@ -19,10 +19,11 @@
. "${srcdir=.}/init.sh"; path_prepend_ ../src
print_ver_ cp
# Note we don't check a file here as that could enable
# the test on ext3 where this test is seen to fail.
if fiemap_capable_ . ; then
: # Current dir is on a partition with working extents. Good!
# The test was seen to fail on ext3 so exclude that type
# (or any file system where the type can't be determined)
touch fiemap_chk
if fiemap_capable_ fiemap_chk && ! df -t ext3 . >/dev/null; then
: # Current partition has working extents. Good!
else
# It's not; we need to create one, hence we need root access.
require_root_

2
tests/init.cfg
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@@ -296,7 +296,7 @@ require_proc_pid_status_()
}
# Return nonzero if the specified path is on a file system for
# which FIEMAP support exists. Note some file systems (like ext3)
# which FIEMAP support exists. Note some file systems (like ext3 and btrfs)
# only support FIEMAP for files, not directories.
fiemap_capable_()
{