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staging/lustre: partially use time64_t for capa expiry

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Here, we actually have a problem in 2038 or at the latest in 2106 when
the lc_expiry variable on the wire protocol overflows, including on
64-bit architectures.

Now that the actual code was removed, only on-the wire structure
is left so we add in a y2038 warning to remind whoever gets to
implement it again about this problem.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2015-09-27 16:45:47 -04:00 committed by Greg Kroah-Hartman
parent ef2e0f55ec
commit a6c8746d54
1 changed files with 1 additions and 0 deletions
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drivers/staging/lustre/lustre/include/lustre/lustre_idl.h
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@ -3478,6 +3478,7 @@ struct lustre_capa {
__u32 lc_flags; /** HMAC algorithm & flags */
__u32 lc_keyid; /** key# used for the capability */
__u32 lc_timeout; /** capa timeout value (sec) */
/* FIXME: y2038 time_t overflow: */
__u32 lc_expiry; /** expiry time (sec) */
__u8 lc_hmac[CAPA_HMAC_MAX_LEN]; /** HMAC */
} __attribute__((packed));