lustre: Account for changelog_ext_rec in CR_MAXSIZE
CR_MAXSIZE needs to account for an llog_changelog_rec that actually contains a changelog_ext_rec structure rather than a changelog_rec. With out doing so, a file size approaching the Linux kernel NAME_MAX length that is renamed to a size also close to, or at, NAME_MAX will exceed CR_MAXSIZE and trip an assertion. Signed-off-by: Christopher J. Morrone <morrone2@llnl.gov> Reviewed-on: http://review.whamcloud.com/6993 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3587 Reviewed-by: Niu Yawei <yawei.niu@intel.com> Reviewed-by: Lai Siyao <lai.siyao@intel.com> Reviewed-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -760,7 +760,8 @@ static inline void hsm_set_cl_error(int *flags, int error)
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*flags |= (error << CLF_HSM_ERR_L);
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}
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#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + sizeof(struct changelog_rec))
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#define CR_MAXSIZE cfs_size_round(2*NAME_MAX + 1 + \
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sizeof(struct changelog_ext_rec))
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struct changelog_rec {
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__u16 cr_namelen;
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