refile_seq 64 fs/userfaultfd.c struct seqcount refile_seq; refile_seq 1066 fs/userfaultfd.c write_seqcount_begin(&ctx->refile_seq); refile_seq 1092 fs/userfaultfd.c write_seqcount_end(&ctx->refile_seq); refile_seq 1265 fs/userfaultfd.c seq = read_seqcount_begin(&ctx->refile_seq); refile_seq 1269 fs/userfaultfd.c } while (read_seqcount_retry(&ctx->refile_seq, seq)); refile_seq 1942 fs/userfaultfd.c seqcount_init(&ctx->refile_seq);