2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Red Hat Inc. All Rights Reserved.
7 # Test OFD lock. fcntl F_OFD_SETLK to set lock, then F_OFD_GETLK
8 # to verify we are being given correct advice by kernel.
10 # OFD lock combines POSIX lock and BSD flock:
11 # + does not share between threads
13 # (both tested by LTP/fcntl3{4,6})
14 # + only release automatically after all open fd closed
16 # This test target the third one and expand a little bit.
18 # The basic idea is one setlk routine setting locks via fcntl
19 # *_SETLK, followed by operations like clone, dup then close fd;
20 # another routine getlk getting locks via fcntl *_GETLK.
22 # Firstly in setlk routine process P0, place a lock L0 on an
23 # opened testfile, then
25 # + clone() a child P1 to close the fd then tell getlk to go,
26 # parent P0 wait getlk done then close fd.
28 # + dup() fd to a newfd then close newfd then tell getlk to go,
29 # then wait getlk done then close fd.
31 # In getlk process P2, do fcntl *_GETLK with lock L1 after get
32 # notified by setlk routine.
34 # In the end, getlk routine check the returned struct flock.l_type
35 # to see if the lock mechanism works fine.
37 # When testing with clone,
38 # + CLONE_FILES set, close releases all locks;
39 # + CLONE_FILES not set, locks remain in P0;
41 # If L0 is a POSIX lock,
42 # + it is not inherited into P1
43 # + it is released after dup & close
45 # If L0 is a OFD lock,
46 # + it is inherited into P1
47 # + it is not released after dup & close
49 # setlk routine: * getlk routine:
52 # open file * open file
56 # wait init sem done * wait init sem done
60 # |---------clone()--------| * |
62 # |(child P1) (parent P0)| * | (P2)
66 # | set sem0=0 * wait sem0==0
70 # wait sem1==0 | * set sem1=0
78 # We can test combainations of:
79 # + shared or exclusive lock
80 # + these locks are conflicting or not
81 # + one OFD lock and one POSIX lock
82 # + that open testfile RDONLY or RDWR
83 # + clone with CLONE_FILES or not
84 # + dup and close newfd
87 seqres=$RESULT_DIR/$seq
88 echo "QA output created by $seq"
92 status=1 # failure is the default!
93 trap "_cleanup; exit \$status" 0 1 2 3 15
101 # get standard environment, filters and checks
105 # remove previous $seqres.full before test
108 # Modify as appropriate.
109 _supported_fs generic
113 # real QA test starts here
114 # prepare a 4k testfile in TEST_DIR
115 $XFS_IO_PROG -f -c "pwrite -S 0xFF 0 4096" \
116 $TEST_DIR/testfile >> $seqres.full 2>&1
122 # print options and getlk output for debug
123 echo $* >> $seqres.full 2>&1
125 $here/src/t_ofd_locks $soptions $TEST_DIR/testfile &
127 $here/src/t_ofd_locks $goptions $TEST_DIR/testfile | \
131 # add -F to clone with CLONE_FILES
133 # with -F, new locks are always file to place
134 $here/src/t_ofd_locks $soptions $TEST_DIR/testfile &
135 $here/src/t_ofd_locks $goptions $TEST_DIR/testfile | \
139 # add -d to dup and close
141 $here/src/t_ofd_locks $soptions $TEST_DIR/testfile &
142 $here/src/t_ofd_locks $goptions $TEST_DIR/testfile | \
147 # Always setlk at range [0,9], getlk at range [0,9] [5,24] or [20,29].
148 # To open file RDONLY or RDWR should not break the locks.
149 # POSIX locks should be released after closed fd, so it wont conflict
150 # with other locks in tests
152 # -P : operate posix lock
153 # -w : operate on F_WRLCK
154 # -r : operate on F_RDLCK
155 # -R : open file RDONLY
156 # -W : open file RDWR
157 # -o : file offset where the lock starts
159 # -F : clone with CLONE_FILES in setlk
160 # -d : dup and close in setlk
162 # setlk wrlck [0,9], getlk wrlck [0,9], expect
163 # + wrlck when CLONE_FILES not set
164 # + unlck when CLONE_FILES set
165 # + wrlck when dup & close
166 do_test "-s -w -o 0 -l 10 -W" "-g -w -o 0 -l 10 -W" "wrlck" "unlck" "wrlck"
167 # setlk wrlck [0,9], getlk posix wrlck [5,24]
168 do_test "-s -w -o 0 -l 10 -W" "-g -w -o 5 -l 20 -W -P" "wrlck" "unlck" "wrlck"
169 # setlk wrlck [0,9], getlk wrlck [20,29]
170 do_test "-s -w -o 0 -l 10 -W" "-g -w -o 20 -l 10 -W" "unlck" "unlck" "unlck"
171 # setlk posix wrlck [0,9], getlk wrlck [5,24]
172 do_test "-s -w -o 0 -l 10 -W -P" "-g -w -o 5 -l 20 -W" "wrlck" "unlck" "unlck"
173 # setlk posix wrlck [0,9], getlk wrlck [20,29]
174 do_test "-s -w -o 0 -l 10 -W -P" "-g -w -o 20 -l 10 -W" "unlck" "unlck" "unlck"
176 # setlk wrlck [0,9], getlk rdlck [0,9]
177 do_test "-s -w -o 0 -l 10 -W" "-g -r -o 0 -l 10 -W" "wrlck" "unlck" "wrlck"
178 # setlk wrlck [0,9], getlk posix rdlck [5,24]
179 do_test "-s -w -o 0 -l 10" "-g -r -o 5 -l 20 -P" "wrlck" "unlck" "wrlck"
180 # setlk wrlck [0,9], getlk rdlck [20,29]
181 do_test "-s -w -o 0 -l 10" "-g -r -o 20 -l 10" "unlck" "unlck" "unlck"
182 # setlk posix wrlck [0,9], getlk rdlck [5,24]
183 do_test "-s -w -o 0 -l 10 -P" "-g -r -o 5 -l 20" "wrlck" "unlck" "unlck"
184 # setlk posix wrlck [0,9], getlk rdlck [20,29]
185 do_test "-s -w -o 0 -l 10 -P" "-g -r -o 20 -l 10" "unlck" "unlck" "unlck"
187 # setlk rdlck [0,9], getlk wrlck [0,9], open RDONLY
188 do_test "-s -r -o 0 -l 10 -R" "-g -w -o 0 -l 10 -R" "rdlck" "unlck" "rdlck"
189 # setlk rdlck [0,9], getlk wrlck [5,24], open RDONLY
190 do_test "-s -r -o 0 -l 10 -R" "-g -w -o 5 -l 20 -R -P" "rdlck" "unlck" "rdlck"
191 # setlk posix rdlck [0,9], getlk wrlck [5,24], open RDONLY
192 do_test "-s -r -o 0 -l 10 -R -P" "-g -w -o 5 -l 20 -R" "rdlck" "unlck" "unlck"
194 # setlk rdlck [0,9], getlk wrlck [0,9]
195 do_test "-s -r -o 0 -l 10" "-g -w -o 0 -l 10" "rdlck" "unlck" "rdlck"
196 # setlk rdlck [0,9], getlk posix wrlck [5,24]
197 do_test "-s -r -o 0 -l 10" "-g -w -o 5 -l 20 -P" "rdlck" "unlck" "rdlck"
198 # setlk posix rdlck [0,9], getlk wrlck [5,24]
199 do_test "-s -r -o 0 -l 10 -P" "-g -w -o 5 -l 20" "rdlck" "unlck" "unlck"
201 # setlk rdlck [0,9], getlk wrlck [20,29], open RDONLY
202 do_test "-s -r -o 0 -l 10 -R" "-g -w -o 20 -l 10 -R" "unlck" "unlck" "unlck"
203 # setlk posix rdlck [0,9], getlk wrlck [20,29], open RDONLY
204 do_test "-s -r -o 0 -l 10 -R -P" "-g -w -o 20 -l 10 -R" "unlck" "unlck" "unlck"
205 # setlk rdlck [0,9], getlk wrlck [20,29]
206 do_test "-s -r -o 0 -l 10" "-g -w -o 20 -l 10" "unlck" "unlck" "unlck"
207 # setlk posix rdlck [0,9], getlk wrlck [20,29]
208 do_test "-s -r -o 0 -l 10 -P" "-g -w -o 20 -l 10" "unlck" "unlck" "unlck"
210 # setlk rdlck [0,9], getlk rdlck [0,9], open RDONLY
211 do_test "-s -r -o 0 -l 10 -R" "-g -r -o 0 -l 10 -R" "unlck" "unlck" "unlck"
212 # setlk rdlck [0,9], getlk posix rdlck [0,9], open RDONLY
213 do_test "-s -r -o 0 -l 10 -R" "-g -r -o 0 -l 10 -R -P" "unlck" "unlck" "unlck"
214 # setlk posix rdlck [0,9], getlk rdlck [0,9], open RDONLY
215 do_test "-s -r -o 0 -l 10 -R -P" "-g -r -o 0 -l 10 -R" "unlck" "unlck" "unlck"
216 # setlk rdlck [0,9], getlk rdlck [0,9]
217 do_test "-s -r -o 0 -l 10" "-g -r -o 0 -l 10" "unlck" "unlck" "unlck"
218 # setlk posix rdlck [0,9], getlk rdlck [0,9]
219 do_test "-s -r -o 0 -l 10 -P" "-g -r -o 0 -l 10" "unlck" "unlck" "unlck"
221 # setlk rdlck [0,9], getlk rdlck [20,29], open RDONLY
222 do_test "-s -r -o 0 -l 10 -R" "-g -r -o 20 -l 10 -R" "unlck" "unlck" "unlck"
223 # setlk rdlck [0,9], getlk posix rdlck [20,29], open RDONLY
224 do_test "-s -r -o 0 -l 10 -R" "-g -r -o 20 -l 10 -R -P" "unlck" "unlck" "unlck"
225 # setlk posix rdlck [0,9], getlk rdlck [20,29], open RDONLY
226 do_test "-s -r -o 0 -l 10 -R -P" "-g -r -o 20 -l 10 -R" "unlck" "unlck" "unlck"
227 # setlk rdlck [0,9], getlk rdlck [20,29]
228 do_test "-s -r -o 0 -l 10" "-g -r -o 20 -l 10" "unlck" "unlck" "unlck"
229 # setlk posix rdlck [0,9], getlk rdlck [20,29]
230 do_test "-s -r -o 0 -l 10 -P" "-g -r -o 20 -l 10" "unlck" "unlck" "unlck"