From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Doucha Date: Mon, 15 Mar 2021 16:41:52 +0100 Subject: [LTP] [PATCH v2 2/3] Add FS quota availability check functions In-Reply-To: <20210315154153.912-1-mdoucha@suse.cz> References: <20210315154153.912-1-mdoucha@suse.cz> Message-ID: <20210315154153.912-2-mdoucha@suse.cz> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ltp@lists.linux.it Signed-off-by: Martin Doucha --- Changes since v1: - Change quotafile argument from const char* to char* include/tst_fs.h | 15 +++++++++++++++ lib/tst_supported_fs_types.c | 31 +++++++++++++++++++++++++++++++ 2 files changed, 46 insertions(+) diff --git a/include/tst_fs.h b/include/tst_fs.h index 4f7dd68d2..cc5cc2c0c 100644 --- a/include/tst_fs.h +++ b/include/tst_fs.h @@ -180,6 +180,21 @@ int tst_fs_is_supported(const char *fs_type, int flags); */ const char **tst_get_supported_fs_types(int flags); +/* + * Check whether device supports FS quotas. Negative return value means that + * quotas appear to be broken. + */ +int tst_check_quota_support(const char *device, int format, char *quotafile); + +/* + * Check for quota support and terminate the test with appropriate exit status + * if quotas are not supported or broken. + */ +#define tst_require_quota_support(dev, fmt, qfile) \ + tst_require_quota_support_(__FILE__, __LINE__, (dev), (fmt), (qfile)) +void tst_require_quota_support_(const char *file, const int lineno, + const char *device, int format, char *quotafile); + /* * Creates and writes to files on given path until write fails with ENOSPC */ diff --git a/lib/tst_supported_fs_types.c b/lib/tst_supported_fs_types.c index 00ede549d..fa9bc56ad 100644 --- a/lib/tst_supported_fs_types.c +++ b/lib/tst_supported_fs_types.c @@ -8,6 +8,7 @@ #include #include #include +#include #define TST_NO_DEFAULT_MAIN #include "tst_test.h" @@ -109,3 +110,33 @@ const char **tst_get_supported_fs_types(int flags) return fs_types; } + +int tst_check_quota_support(const char *device, int format, char *quotafile) +{ + TEST(quotactl(QCMD(Q_QUOTAON, USRQUOTA), device, format, quotafile)); + + /* Not supported */ + if (TST_RET == -1 && TST_ERR == ESRCH) + return 0; + + /* Broken */ + if (TST_RET) + return -1; + + quotactl(QCMD(Q_QUOTAOFF, USRQUOTA), device, 0, 0); + return 1; +} + +void tst_require_quota_support_(const char *file, const int lineno, + const char *device, int format, char *quotafile) +{ + int status = tst_check_quota_support(device, format, quotafile); + + if (!status) { + tst_brk_(file, lineno, TCONF, + "Kernel or device does not support FS quotas"); + } + + if (status < 0) + tst_brk_(file, lineno, TBROK|TTERRNO, "FS quotas are broken"); +} -- 2.30.1