| #! /bin/bash |
| # FS QA Test No. 214 |
| # |
| # Basic unwritten extent sanity checks |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2009 Red Hat, Inc. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| # |
| #----------------------------------------------------------------------- |
| # |
| # creator |
| owner=sandeen@sandeen.net |
| |
| seq=`basename $0` |
| echo "QA output created by $seq" |
| |
| _cleanup() |
| { |
| rm -f $TEST_DIR/ouch* |
| cd / |
| rm -f $tmp.* |
| } |
| |
| here=`pwd` |
| tmp=$TEST_DIR/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| # get standard environment, filters and checks |
| . ./common.rc |
| . ./common.filter |
| |
| # real QA test starts here |
| # generic, but xfs_io's fallocate must work |
| _supported_fs generic |
| # only Linux supports fallocate |
| _supported_os Linux |
| |
| [ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found" |
| |
| rm -f $seq.full |
| rm -f $TEST_DIR/ouch* |
| |
| _require_xfs_io_falloc |
| |
| # Ok, off we go. |
| |
| # Super-trivial; preallocate a region and read it; get 0s. |
| echo "=== falloc & read ===" |
| $XFS_IO_PROG -F -f \ |
| -c 'falloc 0 4096' \ |
| -c 'pread -v 0 4096' \ |
| $TEST_DIR/ouch | _filter_xfs_io_unique |
| rm -f $TEST_DIR/ouch |
| |
| # Preallocate a chunk, write 1 byte, read it all back. |
| # Should get no stale data. Early ext4 bug. |
| |
| echo "=== falloc, write beginning, read ===" |
| $XFS_IO_PROG -F -f \ |
| -c 'falloc 0 512' \ |
| -c 'pwrite 0 1' \ |
| -c 'pread -v 0 512' \ |
| $TEST_DIR/ouch | _filter_xfs_io_unique |
| rm -f $TEST_DIR/ouch |
| |
| # Same but write in the middle of the region |
| echo "=== falloc, write middle, read ===" |
| $XFS_IO_PROG -F -f \ |
| -c 'falloc 0 512' \ |
| -c 'pwrite 256 1' \ |
| -c 'pread -v 0 512' \ |
| $TEST_DIR/ouch | _filter_xfs_io_unique |
| rm -f $TEST_DIR/ouch |
| |
| # Same but write the end of the region |
| echo "=== falloc, write end, read ===" |
| $XFS_IO_PROG -F -f \ |
| -c 'falloc 0 512' \ |
| -c 'pwrite 511 1' \ |
| -c 'pread -v 0 512' \ |
| $TEST_DIR/ouch | _filter_xfs_io_unique |
| rm -f $TEST_DIR/ouch |
| |
| # Reported by IBM on ext4. |
| # |
| # Fixed by commit a41f20716975910d9beb90b7efc61107901492b8 |
| # |
| # The file was previously preallocated, and then initialized the middle of |
| # the preallocation area using Direct IO write, then overwrite part of |
| # initialized area. Later after truncate the file (to the middle of the |
| # initialized data), the initialized data *before* the new file size was |
| # gone after remount the filesystem. |
| |
| echo "=== falloc, write, sync, truncate, read ===" |
| # Allocate, write, sync, truncate (buffered) |
| $XFS_IO_PROG -F -f \ |
| -c 'falloc 0x0 0x65C00' \ |
| -c 'pwrite -S 0xAA 0x12000 0x10000' \ |
| -c 'fsync' \ |
| -c 'truncate 0x16000' \ |
| $TEST_DIR/ouch | _filter_xfs_io_unique |
| |
| # now do a direct read and see what's on-disk |
| $XFS_IO_PROG -F -f -d \ |
| -c 'pread -v 0 0x16000' \ |
| $TEST_DIR/ouch | _filter_xfs_io_unique |
| |
| rm -f $TEST_DIR/ouch |
| |
| # Reported by Ted Ts'o on linux-ext4, 12/31/2009 |
| # double-allocation on ext4 when fallocating over delalloc blocks |
| # Regression due to d21cd8f163ac44b15c465aab7306db931c606908 |
| |
| echo "=== delalloc write 16k; fallocate same range ===" |
| # delalloc write 16k, fallocate same range. |
| # Should get caught on fsck when we're done. |
| |
| $XFS_IO_PROG -F -f \ |
| -c "pwrite 0 16k" \ |
| -c "falloc 0 16k" \ |
| -c "fsync" \ |
| $TEST_DIR/ouch2 | _filter_xfs_io_unique |
| |
| # success, all done |
| status=0 |
| exit |