Hi!
> Add new testcase to verify that a write lease may be placed
> on a file only if there are no other open file descriptors
> for the file.
>
> Signed-off-by: Guangwen Feng <[email protected]>
> ---
> runtest/ltplite | 1 +
> runtest/syscalls | 2 +
> testcases/kernel/syscalls/.gitignore | 2 +
> testcases/kernel/syscalls/fcntl/fcntl32.c | 129
> ++++++++++++++++++++++++++++++
> 4 files changed, 134 insertions(+)
> create mode 100644 testcases/kernel/syscalls/fcntl/fcntl32.c
>
> diff --git a/runtest/ltplite b/runtest/ltplite
> index 3bc681c..8ce0daa 100644
> --- a/runtest/ltplite
> +++ b/runtest/ltplite
> @@ -225,6 +225,7 @@ fcntl26 fcntl26
> fcntl29 fcntl29
> fcntl30 fcntl30
> fcntl31 fcntl31
> +fcntl32 fcntl32
>
> fdatasync01 fdatasync01
> fdatasync02 fdatasync02
> diff --git a/runtest/syscalls b/runtest/syscalls
> index 70d4945..0d14528 100644
> --- a/runtest/syscalls
> +++ b/runtest/syscalls
> @@ -258,6 +258,8 @@ fcntl30 fcntl30
> fcntl30_64 fcntl30_64
> fcntl31 fcntl31
> fcntl31_64 fcntl31_64
> +fcntl32 fcntl32
> +fcntl32_64 fcntl32_64
>
> fdatasync01 fdatasync01
> fdatasync02 fdatasync02
> diff --git a/testcases/kernel/syscalls/.gitignore
> b/testcases/kernel/syscalls/.gitignore
> index 172aeec..13c7a79 100644
> --- a/testcases/kernel/syscalls/.gitignore
> +++ b/testcases/kernel/syscalls/.gitignore
> @@ -221,6 +221,8 @@
> /fcntl/fcntl30_64
> /fcntl/fcntl31
> /fcntl/fcntl31_64
> +/fcntl/fcntl32
> +/fcntl/fcntl32_64
> /fdatasync/fdatasync01
> /fdatasync/fdatasync02
> /flock/flock01
> diff --git a/testcases/kernel/syscalls/fcntl/fcntl32.c
> b/testcases/kernel/syscalls/fcntl/fcntl32.c
> new file mode 100644
> index 0000000..46e316f
> --- /dev/null
> +++ b/testcases/kernel/syscalls/fcntl/fcntl32.c
> @@ -0,0 +1,129 @@
> +/*
> + * Copyright (c) 2015 Fujitsu Ltd.
> + * Author: Guangwen Feng <[email protected]>
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms of version 2 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.
> + *
> + * You should have received a copy of the GNU General Public License
> + * alone with this program.
> + */
> +
> +/*
> + * DESCRIPTION
> + * Basic test for fcntl(2) using F_SETLEASE & F_WRLCK argument.
> + * "A write lease may be placed on a file only if there are
> + * no other open file descriptors for the file."
> + */
> +
> +#include <errno.h>
> +
> +#include "test.h"
> +#include "safe_macros.h"
> +#include "tst_fs_type.h"
> +
> +static void setup(void);
> +static void fcntl_verify(int);
> +static void cleanup(void);
> +
> +#define FILE_MODE (S_IRWXU | S_IRWXG | S_IRWXO | S_ISUID | S_ISGID)
> +
> +int fd1;
> +int fd2;
static
> +static struct test_case_t {
> + int fd1_flag;
> + int fd2_flag;
> +} test_cases[] = {
> + {O_RDONLY, O_RDONLY},
> + {O_RDONLY, O_WRONLY},
> + {O_RDONLY, O_RDWR},
> + {O_WRONLY, O_RDONLY},
> + {O_WRONLY, O_WRONLY},
> + {O_WRONLY, O_RDWR},
> + {O_RDWR, O_RDONLY},
> + {O_RDWR, O_WRONLY},
> + {O_RDWR, O_RDWR},
> +};
> +
> +char *TCID = "fcntl32";
> +int TST_TOTAL = ARRAY_SIZE(test_cases);
> +
> +int main(int ac, char **av)
> +{
> + int lc;
> + int tc;
> + long type;
> +
> + tst_parse_opts(ac, av, NULL, NULL);
> +
> + setup();
> +
> + switch ((type = tst_fs_type(cleanup, "."))) {
> + case TST_NFS_MAGIC:
> + case TST_RAMFS_MAGIC:
> + case TST_TMPFS_MAGIC:
> + tst_brkm(TCONF, cleanup,
> + "Cannot do fcntl on a file on %s filesystem",
^
fcntl(..., F_SETLEASE, ...)
Otherwise this is quite missleading.
> + tst_fs_type_name(type));
> + break;
> + default:
> + break;
> + }
> +
> + for (lc = 0; TEST_LOOPING(lc); lc++) {
> + tst_count = 0;
> +
> + for (tc = 0; tc < TST_TOTAL; tc++)
> + fcntl_verify(tc);
> + }
> +
> + cleanup();
> + tst_exit();
> +}
> +
> +static void setup(void)
> +{
> + tst_sig(NOFORK, DEF_HANDLER, cleanup);
> + TEST_PAUSE;
> +
> + tst_tmpdir();
> +
> + SAFE_TOUCH(cleanup, "file", FILE_MODE, NULL);
> +}
> +
> +static void fcntl_verify(int i)
> +{
> + fd1 = SAFE_OPEN(cleanup, "file", test_cases[i].fd1_flag);
> + fd2 = SAFE_OPEN(cleanup, "file", test_cases[i].fd2_flag);
> +
> + TEST(fcntl(fd1, F_SETLEASE, F_WRLCK));
> +
> + SAFE_CLOSE(cleanup, fd1);
> + fd1 = 0;
> + SAFE_CLOSE(cleanup, fd2);
> + fd2 = 0;
> +
> + if (TEST_RETURN != -1) {
> + tst_resm(TFAIL, "fcntl(2) succeeded unexpectedly");
^
fcntl(..., F_SETLEASE, F_WRLCK)
> + return;
> + }
Hmm do we care about specific errno here?
I would expect EBUSY or EAGAIN.
> + tst_resm(TPASS | TTERRNO, "fcntl(2) failed as expected");
^
here as well
> +}
> +
> +static void cleanup(void)
> +{
> + if (fd1 > 0 && close(fd1))
> + tst_resm(TWARN | TTERRNO, "Failed to close file");
> +
> + if (fd2 > 0 && close(fd2))
> + tst_resm(TWARN | TTERRNO, "Failed to close file");
> +
> + tst_rmdir();
> +}
--
Cyril Hrubis
[email protected]
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